Baseball Atlas / PROFILE
Baseball players born in CA
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SELECTED RECORD
CA
Unique active players · 1871–2025
First recorded appearances by decade
- 1870s2
- 1880s21
- 1890s15
- 1900s32
- 1910s57
- 1920s71
- 1930s104
- 1940s98
- 1950s100
- 1960s189
- 1970s272
- 1980s317
- 1990s326
- 2000s334
- 2010s373
- 2020s213
Players in this selection (2524)
Each player is counted once, including players who changed teams. These are recorded birthplaces, not citizenship.
- Don Aase · 1977–1990 · Orange, CA, USA
- Cory Abbott · 2021–2023 · San Diego, CA, USA
- Paul Abbott · 1990–2004 · Van Nuys, CA, USA
- Bill Abernathie · 1952–1952 · Torrance, CA, USA
- Joe Abreu · 1942–1942 · Oakland, CA, USA
- Mark Acre · 1994–1997 · Concord, CA, USA
- Ace Adams · 1941–1946 · Willows, CA, USA
- Bobby Adams · 1946–1959 · Tuolumne, CA, USA
- Dick Adams · 1947–1947 · Tuolumne, CA, USA
- Herb Adams · 1948–1950 · Hollywood, CA, USA
- Joel Adamson · 1996–1998 · Lakewood, CA, USA
- Mike Adamson · 1967–1969 · San Diego, CA, USA
- Red Adams · 1946–1946 · Parlier, CA, USA
- Ricky Adams · 1982–1985 · Upland, CA, USA
- Riley Adams · 2021–2025 · Encinitas, CA, USA
- Travis Adams · 2025–2025 · Palm Springs, CA, USA
- Dave Adlesh · 1963–1968 · Long Beach, CA, USA
- Troy Afenir · 1987–1992 · Escondido, CA, USA
- Julian Aguiar · 2024–2024 · Long Beach, CA, USA
- Chris Aguila · 2004–2008 · Redwood City, CA, USA
- Rick Aguilera · 1985–2000 · San Gabriel, CA, USA
- Ryan Aguilar · 2022–2022 · Yorba Linda, CA, USA
- Hank Aguirre · 1955–1970 · Azusa, CA, USA
- Pat Ahearne · 1995–1995 · San Francisco, CA, USA
- Jack Aker · 1964–1974 · Tulare, CA, USA
- Mike Aldrete · 1986–1996 · Carmel, CA, USA
- Gary Alexander · 1975–1981 · Los Angeles, CA, USA
- Jason Alexander · 2022–2025 · Windsor, CA, USA
- Scott Alexander · 2015–2025 · Santa Rosa, CA, USA
- Kolby Allard · 2018–2025 · Anaheim, CA, USA
- Gary Allenson · 1979–1985 · Culver City, CA, USA
- Greg Allen · 2017–2025 · San Diego, CA, USA
- Kim Allen · 1980–1981 · Fontana, CA, USA
- Lloyd Allen · 1969–1975 · Merced, CA, USA
- Nick Allen · 2022–2025 · San Diego, CA, USA
- Rod Allen · 1983–1988 · Los Angeles, CA, USA
- Abe Alvarez · 2004–2006 · Los Angeles, CA, USA
- Andrew Alvarez · 2025–2025 · Anaheim, CA, USA
- Nacho Alvarez · 2024–2025 · Fontana, CA, USA
- Joey Amalfitano · 1954–1967 · San Pedro, CA, USA
- Rich Amaral · 1991–2000 · Visalia, CA, USA
- Jacob Amaya · 2023–2025 · El Monte, CA, USA
- Hector Ambriz · 2010–2014 · Orange, CA, USA
- Ed Amelung · 1984–1986 · Fullerton, CA, USA
- Bryan Anderson · 2010–2015 · Thousand Oaks, CA, USA
- Cody Anderson · 2015–2019 · Quincy, CA, USA
- Dwain Anderson · 1971–1974 · Oakland, CA, USA
- Garret Anderson · 1994–2010 · Los Angeles, CA, USA
- Jim Anderson · 1978–1984 · Los Angeles, CA, USA
- Larry Anderson · 1974–1977 · Maywood, CA, USA
- Lars Anderson · 2010–2012 · Oakland, CA, USA
- Rick Anderson · 1979–1980 · Inglewood, CA, USA
- Steve Andrade · 2006–2006 · Woodland, CA, USA
- Clayton Andrews · 2023–2024 · Petaluma, CA, USA
- Hub Andrews · 1947–1948 · Burbank, CA, USA
- John Andrews · 1973–1973 · Monterey Park, CA, USA
- Kim Andrew · 1975–1975 · Glendale, CA, USA
- Mike Andrews · 1966–1973 · Los Angeles, CA, USA
- Rob Andrews · 1975–1979 · Santa Monica, CA, USA
- Matt Andriese · 2015–2024 · Redlands, CA, USA
- Norm Angelini · 1972–1973 · San Francisco, CA, USA
- Eric Anthony · 1989–1997 · San Diego, CA, USA
- Bob Apodaca · 1973–1977 · Los Angeles, CA, USA
- Kevin Appier · 1989–2004 · Lancaster, CA, USA
- Frank Arellanes · 1908–1910 · Santa Cruz, CA, USA
- Nolan Arenado · 2013–2025 · Newport Beach, CA, USA
- Buzz Arlett · 1931–1931 · Elmhurst, CA, USA
- Chris Arnold · 1971–1976 · Long Beach, CA, USA
- Fernando Arroyo · 1975–1986 · Sacramento, CA, USA
- Randy Asadoor · 1986–1986 · Fresno, CA, USA
- Alan Ashby · 1973–1989 · Long Beach, CA, USA
- Brian Asselstine · 1976–1981 · Santa Barbara, CA, USA
- Garrett Atkins · 2003–2010 · Orange, CA, USA
- Rich Aude · 1993–1996 · Van Nuys, CA, USA
- Rick Auerbach · 1971–1981 · Woodland Hills, CA, USA
- Don August · 1988–1991 · Inglewood, CA, USA
- Jeff Austin · 2001–2003 · San Bernardino, CA, USA
- Al Autry · 1976–1976 · Modesto, CA, USA
- Nick Avila · 2024–2024 · Modesto, CA, USA
- Dylan Axelrod · 2011–2015 · Santa Barbara, CA, USA
- Bobby Ayala · 1992–1999 · Ventura, CA, USA
- Bob Ayrault · 1992–1993 · South Lake Tahoe, CA, USA
- Johnny Babich · 1934–1941 · Albion, CA, USA
- Shooty Babitt · 1981–1981 · Oakland, CA, USA
- Bob Bailey · 1962–1978 · Long Beach, CA, USA
- Jeff Bajenaru · 2004–2006 · Pomona, CA, USA
- Darren Baker · 2024–2024 · Redwood City, CA, USA
- Doug Baker · 1984–1990 · Fullerton, CA, USA
- Dusty Baker · 1968–1986 · Riverside, CA, USA
- John Baker · 2008–2014 · Alameda, CA, USA
- Scott Baker · 1995–1995 · San Jose, CA, USA
- Bobby Balcena · 1956–1956 · San Pedro, CA, USA
- Rick Baldwin · 1975–1977 · Fresno, CA, USA
- Collin Balester · 2008–2015 · Huntington Beach, CA, USA
- Lee Bales · 1966–1967 · Los Angeles, CA, USA
- Mark Ballinger · 1971–1971 · Glendale, CA, USA
- Jeff Ball · 1998–1998 · Merced, CA, USA
- Jett Bandy · 2015–2018 · West Hills, CA, USA
- Dick Baney · 1969–1974 · Fullerton, CA, USA
- Alan Bannister · 1974–1985 · Montebello, CA, USA
First 100 names shown. Download the complete source player snapshot from Sources.
| Place / record | Unique players | Context | Explore |
|---|---|---|---|
| A. J. Griffin | 1 | First positive recorded appearance: 2012 · El Cajon, CA, USA | Source record |
| Aaron Boone | 1 | First positive recorded appearance: 1997 · La Mesa, CA, USA | Source record |
| Aaron Brooks | 1 | First positive recorded appearance: 2014 · San Bernardino, CA, USA | Source record |
| Aaron Bummer | 1 | First positive recorded appearance: 2017 · Valencia, CA, USA | Source record |
| Aaron Harang | 1 | First positive recorded appearance: 2002 · San Diego, CA, USA | Source record |
| Aaron Hicks | 1 | First positive recorded appearance: 2013 · San Pedro, CA, USA | Source record |
| Aaron Hill | 1 | First positive recorded appearance: 2005 · Visalia, CA, USA | Source record |
| Aaron Holbert | 1 | First positive recorded appearance: 1996 · Torrance, CA, USA | Source record |
| Aaron Judge | 1 | First positive recorded appearance: 2016 · Linden, CA, USA | Source record |
| Aaron Ledesma | 1 | First positive recorded appearance: 1995 · Union City, CA, USA | Source record |
| Aaron Miles | 1 | First positive recorded appearance: 2003 · Pittsburg, CA, USA | Source record |
| Aaron Poreda | 1 | First positive recorded appearance: 2009 · Walnut Creek, CA, USA | Source record |
| Aaron Sanchez | 1 | First positive recorded appearance: 2014 · Barstow, CA, USA | Source record |
| Aaron Small | 1 | First positive recorded appearance: 1994 · Oxnard, CA, USA | Source record |
| Abe Alvarez | 1 | First positive recorded appearance: 2004 · Los Angeles, CA, USA | Source record |
| Ace Adams | 1 | First positive recorded appearance: 1941 · Willows, CA, USA | Source record |
| Adalberto Mondesi | 1 | First positive recorded appearance: 2016 · Los Angeles, CA, USA | Source record |
| Adam Bernero | 1 | First positive recorded appearance: 2000 · San Jose, CA, USA | Source record |
| Adam Hyzdu | 1 | First positive recorded appearance: 2000 · San Jose, CA, USA | Source record |
| Adam Johnson | 1 | First positive recorded appearance: 2001 · San Jose, CA, USA | Source record |
| Adam Jones | 1 | First positive recorded appearance: 2006 · San Diego, CA, USA | Source record |
| Adam Kennedy | 1 | First positive recorded appearance: 1999 · Riverside, CA, USA | Source record |
| Adam LaRoche | 1 | First positive recorded appearance: 2004 · Orange County, CA, USA | Source record |
| Adam Liberatore | 1 | First positive recorded appearance: 2015 · Bellflower, CA, USA | Source record |
| Adam McCreery | 1 | First positive recorded appearance: 2018 · La Verne, CA, USA | Source record |
| Adam Melhuse | 1 | First positive recorded appearance: 2000 · Santa Clara, CA, USA | Source record |
| Adam Peterson | 1 | First positive recorded appearance: 1987 · Long Beach, CA, USA | Source record |
| Adam Plutko | 1 | First positive recorded appearance: 2016 · Upland, CA, USA | Source record |
| Adam Wilk | 1 | First positive recorded appearance: 2011 · Anaheim, CA, USA | Source record |
| Addison Reed | 1 | First positive recorded appearance: 2011 · Etiwanda, CA, USA | Source record |
| Adrian Gonzalez | 1 | First positive recorded appearance: 2004 · San Diego, CA, USA | Source record |
| Al Autry | 1 | First positive recorded appearance: 1976 · Modesto, CA, USA | Source record |
| Al Cowens | 1 | First positive recorded appearance: 1974 · Los Angeles, CA, USA | Source record |
| Al Gallagher | 1 | First positive recorded appearance: 1970 · San Francisco, CA, USA | Source record |
| Al Grunwald | 1 | First positive recorded appearance: 1955 · Los Angeles, CA, USA | Source record |
| Al Hrabosky | 1 | First positive recorded appearance: 1970 · Oakland, CA, USA | Source record |
| Al Martin | 1 | First positive recorded appearance: 1992 · West Covina, CA, USA | Source record |
| Al Nipper | 1 | First positive recorded appearance: 1983 · San Diego, CA, USA | Source record |
| Al Osuna | 1 | First positive recorded appearance: 1990 · Inglewood, CA, USA | Source record |
| Al Raffo | 1 | First positive recorded appearance: 1969 · San Francisco, CA, USA | Source record |
| Al Schmelz | 1 | First positive recorded appearance: 1967 · Whittier, CA, USA | Source record |
| Al Silvera | 1 | First positive recorded appearance: 1955 · San Diego, CA, USA | Source record |
| Al Woods | 1 | First positive recorded appearance: 1977 · Oakland, CA, USA | Source record |
| Al Wright | 1 | First positive recorded appearance: 1933 · San Francisco, CA, USA | Source record |
| Al Zarilla | 1 | First positive recorded appearance: 1943 · Los Angeles, CA, USA | Source record |
| Alan Ashby | 1 | First positive recorded appearance: 1973 · Long Beach, CA, USA | Source record |
| Alan Bannister | 1 | First positive recorded appearance: 1974 · Montebello, CA, USA | Source record |
| Alan Foster | 1 | First positive recorded appearance: 1967 · Pasadena, CA, USA | Source record |
| Alan Fowlkes | 1 | First positive recorded appearance: 1982 · Brawley, CA, USA | Source record |
| Alan Newman | 1 | First positive recorded appearance: 1999 · La Habra, CA, USA | Source record |
| Alan Trammell | 1 | First positive recorded appearance: 1977 · Garden Grove, CA, USA | Source record |
| Alan Trejo | 1 | First positive recorded appearance: 2021 · Los Angeles, CA, USA | Source record |
| Alan Wiggins | 1 | First positive recorded appearance: 1981 · Los Angeles, CA, USA | Source record |
| Albie Pearson | 1 | First positive recorded appearance: 1958 · Alhambra, CA, USA | Source record |
| Alec Distaso | 1 | First positive recorded appearance: 1969 · Los Angeles, CA, USA | Source record |
| Alex Blandino | 1 | First positive recorded appearance: 2018 · Palo Alto, CA, USA | Source record |
| Alex Burnett | 1 | First positive recorded appearance: 2010 · Anaheim, CA, USA | Source record |
| Alex Carrillo | 1 | First positive recorded appearance: 2025 · Paramount, CA, USA | Source record |
| Alex Dickerson | 1 | First positive recorded appearance: 2015 · Poway, CA, USA | Source record |
| Alex Hinshaw | 1 | First positive recorded appearance: 2008 · Pomona, CA, USA | Source record |
| Alex Jackson | 1 | First positive recorded appearance: 2019 · Escondido, CA, USA | Source record |
| Alex Kampouris | 1 | First positive recorded appearance: 1934 · Sacramento, CA, USA | Source record |
| Alex Lange | 1 | First positive recorded appearance: 2021 · Riverside, CA, USA | Source record |
| Alex Mejia | 1 | First positive recorded appearance: 2017 · Sylmar, CA, USA | Source record |
| Alex Metzler | 1 | First positive recorded appearance: 1925 · Fresno, CA, USA | Source record |
| Alex Pelaez | 1 | First positive recorded appearance: 2002 · San Diego, CA, USA | Source record |
| Alex Sanabia | 1 | First positive recorded appearance: 2010 · San Diego, CA, USA | Source record |
| Alex Sanchez | 1 | First positive recorded appearance: 1989 · Concord, CA, USA | Source record |
| Alex Vesia | 1 | First positive recorded appearance: 2020 · Alpine, CA, USA | Source record |
| Alfonso Rivas | 1 | First positive recorded appearance: 2021 · Chula Vista, CA, USA | Source record |
| Alika Williams | 1 | First positive recorded appearance: 2023 · San Diego, CA, USA | Source record |
| Allan Dykstra | 1 | First positive recorded appearance: 2015 · San Diego, CA, USA | Source record |
| Allan Winans | 1 | First positive recorded appearance: 2023 · Bakersfield, CA, USA | Source record |
| Allen Craig | 1 | First positive recorded appearance: 2010 · Mission Viejo, CA, USA | Source record |
| Alonzo Powell | 1 | First positive recorded appearance: 1987 · San Francisco, CA, USA | Source record |
| Alvin Davis | 1 | First positive recorded appearance: 1984 · Riverside, CA, USA | Source record |
| Amir Garrett | 1 | First positive recorded appearance: 2017 · Victorville, CA, USA | Source record |
| Andre David | 1 | First positive recorded appearance: 1984 · Hollywood, CA, USA | Source record |
| Andre Granillo | 1 | First positive recorded appearance: 2025 · Hemet, CA, USA | Source record |
| Andre Pallante | 1 | First positive recorded appearance: 2022 · Mission Viejo, CA, USA | Source record |
| Andrew Alvarez | 1 | First positive recorded appearance: 2025 · Anaheim, CA, USA | Source record |
| Andrew Bellatti | 1 | First positive recorded appearance: 2015 · San Diego, CA, USA | Source record |
| Andrew Good | 1 | First positive recorded appearance: 2003 · San Diego, CA, USA | Source record |
| Andrew Knapp | 1 | First positive recorded appearance: 2017 · Roseville, CA, USA | Source record |
| Andrew Lambo | 1 | First positive recorded appearance: 2013 · Newbury Park, CA, USA | Source record |
| Andrew Lorraine | 1 | First positive recorded appearance: 1994 · Los Angeles, CA, USA | Source record |
| Andrew Nardi | 1 | First positive recorded appearance: 2022 · West Hills, CA, USA | Source record |
| Andrew Susac | 1 | First positive recorded appearance: 2014 · Roseville, CA, USA | Source record |
| Andrew Vasquez | 1 | First positive recorded appearance: 2018 · Rancho Cucamonga, CA, USA | Source record |
| Andrew Vaughn | 1 | First positive recorded appearance: 2021 · Santa Rosa, CA, USA | Source record |
| Andy Carey | 1 | First positive recorded appearance: 1952 · Oakland, CA, USA | Source record |
| Andy Dominique | 1 | First positive recorded appearance: 2004 · Tarzana, CA, USA | Source record |
| Andy Etchebarren | 1 | First positive recorded appearance: 1962 · Whittier, CA, USA | Source record |
| Andy Fox | 1 | First positive recorded appearance: 1996 · Sacramento, CA, USA | Source record |
| Andy Harrington | 1 | First positive recorded appearance: 1925 · Mountain View, CA, USA | Source record |
| Andy Piercy | 1 | First positive recorded appearance: 1881 · San Jose, CA, USA | Source record |
| Andy Rincon | 1 | First positive recorded appearance: 1980 · Monterey Park, CA, USA | Source record |
| Andy Stankiewicz | 1 | First positive recorded appearance: 1992 · Inglewood, CA, USA | Source record |
| Anthony Bender | 1 | First positive recorded appearance: 2021 · Petaluma, CA, USA | Source record |
| Anthony Chavez | 1 | First positive recorded appearance: 1997 · Turlock, CA, USA | Source record |
| Anthony Claggett | 1 | First positive recorded appearance: 2009 · Hemet, CA, USA | Source record |
| Anthony Ferrari | 1 | First positive recorded appearance: 2003 · San Francisco, CA, USA | Source record |
| Anthony Gose | 1 | First positive recorded appearance: 2012 · Paramount, CA, USA | Source record |
| Anthony Reyes | 1 | First positive recorded appearance: 2005 · Downey, CA, USA | Source record |
| Anthony Slama | 1 | First positive recorded appearance: 2010 · Orange, CA, USA | Source record |
| Anthony Telford | 1 | First positive recorded appearance: 1990 · San Jose, CA, USA | Source record |
| Antone Williamson | 1 | First positive recorded appearance: 1997 · Harbor City, CA, USA | Source record |
| Archie Reynolds | 1 | First positive recorded appearance: 1968 · Glendale, CA, USA | Source record |
| Archie Wilson | 1 | First positive recorded appearance: 1951 · Los Angeles, CA, USA | Source record |
| Art Garibaldi | 1 | First positive recorded appearance: 1936 · San Francisco, CA, USA | Source record |
| Art Schallock | 1 | First positive recorded appearance: 1951 · Mill Valley, CA, USA | Source record |
| Atlee Hammaker | 1 | First positive recorded appearance: 1981 · Carmel, CA, USA | Source record |
| Augie Galan | 1 | First positive recorded appearance: 1934 · Berkeley, CA, USA | Source record |
| Augie Ojeda | 1 | First positive recorded appearance: 2000 · Los Angeles, CA, USA | Source record |
| Austin Barnes | 1 | First positive recorded appearance: 2015 · Fullerton, CA, USA | Source record |
| Austin Hedges | 1 | First positive recorded appearance: 2015 · San Juan Capistrano, CA, USA | Source record |
| Austin Romine | 1 | First positive recorded appearance: 2011 · Lake Forest, CA, USA | Source record |
| Austin Wynns | 1 | First positive recorded appearance: 2018 · San Diego, CA, USA | Source record |
| Babe Dahlgren | 1 | First positive recorded appearance: 1935 · San Francisco, CA, USA | Source record |
| Babe Pinelli | 1 | First positive recorded appearance: 1918 · San Francisco, CA, USA | Source record |
| Bailey Falter | 1 | First positive recorded appearance: 2021 · Chino Hills, CA, USA | Source record |
| Barry Bonds | 1 | First positive recorded appearance: 1986 · Riverside, CA, USA | Source record |
| Barry Enright | 1 | First positive recorded appearance: 2010 · Stockton, CA, USA | Source record |
| Barry Latman | 1 | First positive recorded appearance: 1957 · Los Angeles, CA, USA | Source record |
| Bart Johnson | 1 | First positive recorded appearance: 1969 · Torrance, CA, USA | Source record |
| Bart Miadich | 1 | First positive recorded appearance: 2001 · Torrance, CA, USA | Source record |
| Beau Sulser | 1 | First positive recorded appearance: 2022 · Escondido, CA, USA | Source record |
| Ben Beville | 1 | First positive recorded appearance: 1901 · Colusa, CA, USA | Source record |
| Ben Blomdahl | 1 | First positive recorded appearance: 1995 · Long Beach, CA, USA | Source record |
| Ben Francisco | 1 | First positive recorded appearance: 2007 · Santa Ana, CA, USA | Source record |
| Ben Guintini | 1 | First positive recorded appearance: 1946 · Los Banos, CA, USA | Source record |
| Ben Rowen | 1 | First positive recorded appearance: 2014 · Rancho Palos Verdes, CA, USA | Source record |
| Bernardo Flores | 1 | First positive recorded appearance: 2020 · Baldwin Park, CA, USA | Source record |
| Bernie DeViveiros | 1 | First positive recorded appearance: 1924 · Oakland, CA, USA | Source record |
| Bernie Williams | 1 | First positive recorded appearance: 1970 · Alameda, CA, USA | Source record |
| Bert Cole | 1 | First positive recorded appearance: 1921 · San Francisco, CA, USA | Source record |
| Bert Delmas | 1 | First positive recorded appearance: 1933 · San Francisco, CA, USA | Source record |
| Bert Whaling | 1 | First positive recorded appearance: 1913 · Los Angeles, CA, USA | Source record |
| Bevo LeBourveau | 1 | First positive recorded appearance: 1919 · Dana, CA, USA | Source record |
| Biff Pocoroba | 1 | First positive recorded appearance: 1975 · Burbank, CA, USA | Source record |
| Bill Abernathie | 1 | First positive recorded appearance: 1952 · Torrance, CA, USA | Source record |
| Bill Bathe | 1 | First positive recorded appearance: 1986 · Downey, CA, USA | Source record |
| Bill Bean | 1 | First positive recorded appearance: 1987 · Santa Ana, CA, USA | Source record |
| Bill Bonham | 1 | First positive recorded appearance: 1971 · Glendale, CA, USA | Source record |
| Bill Bordley | 1 | First positive recorded appearance: 1980 · Los Angeles, CA, USA | Source record |
| Bill Brenzel | 1 | First positive recorded appearance: 1932 · Oakland, CA, USA | Source record |
| Bill Buckner | 1 | First positive recorded appearance: 1969 · Vallejo, CA, USA | Source record |
| Bill Caudill | 1 | First positive recorded appearance: 1979 · Santa Monica, CA, USA | Source record |
| Bill Cunningham | 1 | First positive recorded appearance: 1921 · San Francisco, CA, USA | Source record |
| Bill Doran | 1 | First positive recorded appearance: 1922 · San Francisco, CA, USA | Source record |
| Bill Fleming | 1 | First positive recorded appearance: 1940 · Rowland, CA, USA | Source record |
| Bill Hanlon | 1 | First positive recorded appearance: 1903 · Los Angeles, CA, USA | Source record |
| Bill Heath | 1 | First positive recorded appearance: 1965 · Yuba City, CA, USA | Source record |
| Bill Henry | 1 | First positive recorded appearance: 1966 · Long Beach, CA, USA | Source record |
| Bill Howerton | 1 | First positive recorded appearance: 1949 · Lompoc, CA, USA | Source record |
| Bill James | 1 | First positive recorded appearance: 1913 · Iowa Hill, CA, USA | Source record |
| Bill Knickerbocker | 1 | First positive recorded appearance: 1933 · Los Angeles, CA, USA | Source record |
| Bill Koski | 1 | First positive recorded appearance: 1951 · Madera, CA, USA | Source record |
| Bill Landis | 1 | First positive recorded appearance: 1963 · Hanford, CA, USA | Source record |
| Bill Lange | 1 | First positive recorded appearance: 1893 · San Francisco, CA, USA | Source record |
| Bill Lawrence | 1 | First positive recorded appearance: 1932 · San Mateo, CA, USA | Source record |
| Bill Lee | 1 | First positive recorded appearance: 1969 · Burbank, CA, USA | Source record |
| Bill Lillard | 1 | First positive recorded appearance: 1939 · Goleta, CA, USA | Source record |
| Bill Macdonald | 1 | First positive recorded appearance: 1950 · Alameda, CA, USA | Source record |
| Bill McNulty | 1 | First positive recorded appearance: 1969 · Sacramento, CA, USA | Source record |
| Bill Mooneyham | 1 | First positive recorded appearance: 1986 · Livermore, CA, USA | Source record |
| Bill Moore | 1 | First positive recorded appearance: 1986 · Los Angeles, CA, USA | Source record |
| Bill Murphy | 1 | First positive recorded appearance: 2007 · Anaheim, CA, USA | Source record |
| Bill Parsons | 1 | First positive recorded appearance: 1971 · Riverside, CA, USA | Source record |
| Bill Pecota | 1 | First positive recorded appearance: 1986 · Redwood City, CA, USA | Source record |
| Bill Pertica | 1 | First positive recorded appearance: 1918 · Santa Barbara, CA, USA | Source record |
| Bill Piercy | 1 | First positive recorded appearance: 1917 · El Monte, CA, USA | Source record |
| Bill Plummer | 1 | First positive recorded appearance: 1968 · Oakland, CA, USA | Source record |
| Bill Posedel | 1 | First positive recorded appearance: 1938 · San Francisco, CA, USA | Source record |
| Bill Renna | 1 | First positive recorded appearance: 1953 · Hanford, CA, USA | Source record |
| Bill Rigney | 1 | First positive recorded appearance: 1946 · Alameda, CA, USA | Source record |
| Bill Sarni | 1 | First positive recorded appearance: 1951 · Los Angeles, CA, USA | Source record |
| Bill Serena | 1 | First positive recorded appearance: 1949 · Alameda, CA, USA | Source record |
| Bill Simas | 1 | First positive recorded appearance: 1995 · Hanford, CA, USA | Source record |
| Bill Singer | 1 | First positive recorded appearance: 1964 · Los Angeles, CA, USA | Source record |
| Bill Slayback | 1 | First positive recorded appearance: 1972 · Hollywood, CA, USA | Source record |
| Bill Taylor | 1 | First positive recorded appearance: 1954 · Alhambra, CA, USA | Source record |
| Bill Voss | 1 | First positive recorded appearance: 1965 · Glendale, CA, USA | Source record |
| Bill Werle | 1 | First positive recorded appearance: 1949 · Oakland, CA, USA | Source record |
| Bill Wight | 1 | First positive recorded appearance: 1946 · Rio Vista, CA, USA | Source record |
| Billy Hulen | 1 | First positive recorded appearance: 1896 · Dixon, CA, USA | Source record |
| Billy Martin | 1 | First positive recorded appearance: 1950 · Berkeley, CA, USA | Source record |
| Billy Orr | 1 | First positive recorded appearance: 1913 · San Francisco, CA, USA | Source record |
| Billy Rohr | 1 | First positive recorded appearance: 1967 · San Diego, CA, USA | Source record |
| Billy Traber | 1 | First positive recorded appearance: 2003 · Torrance, CA, USA | Source record |
| Bip Roberts | 1 | First positive recorded appearance: 1986 · Berkeley, CA, USA | Source record |
| Blaine Thomas | 1 | First positive recorded appearance: 1911 · Glendora, CA, USA | Source record |
| Blake Cederlind | 1 | First positive recorded appearance: 2020 · Turlock, CA, USA | Source record |
| Blake Davis | 1 | First positive recorded appearance: 2011 · Newport Beach, CA, USA | Source record |
| Blake Rutherford | 1 | First positive recorded appearance: 2023 · Simi Valley, CA, USA | Source record |
| Blake Sabol | 1 | First positive recorded appearance: 2023 · Aliso Viejo, CA, USA | Source record |
| Blake Smith | 1 | First positive recorded appearance: 2016 · Modesto, CA, USA | Source record |
| Blake Taylor | 1 | First positive recorded appearance: 2020 · Orange, CA, USA | Source record |
| Blas Minor | 1 | First positive recorded appearance: 1992 · Merced, CA, USA | Source record |
| Bo McLaughlin | 1 | First positive recorded appearance: 1976 · Oakland, CA, USA | Source record |
| Bob Apodaca | 1 | First positive recorded appearance: 1973 · Los Angeles, CA, USA | Source record |
| Bob Ayrault | 1 | First positive recorded appearance: 1992 · South Lake Tahoe, CA, USA | Source record |
| Bob Bailey | 1 | First positive recorded appearance: 1962 · Long Beach, CA, USA | Source record |
| Bob Blakiston | 1 | First positive recorded appearance: 1882 · San Francisco, CA, USA | Source record |
| Bob Boone | 1 | First positive recorded appearance: 1972 · San Diego, CA, USA | Source record |
| Bob Bowman | 1 | First positive recorded appearance: 1955 · Laytonville, CA, USA | Source record |
| Bob Chesnes | 1 | First positive recorded appearance: 1948 · Oakland, CA, USA | Source record |
| Bob Dillinger | 1 | First positive recorded appearance: 1946 · Glendale, CA, USA | Source record |
| Bob DiPietro | 1 | First positive recorded appearance: 1951 · San Francisco, CA, USA | Source record |
| Bob Elliott | 1 | First positive recorded appearance: 1939 · San Francisco, CA, USA | Source record |
| Bob Forsch | 1 | First positive recorded appearance: 1974 · Sacramento, CA, USA | Source record |
| Bob Garibaldi | 1 | First positive recorded appearance: 1962 · Stockton, CA, USA | Source record |
| Bob Geren | 1 | First positive recorded appearance: 1988 · San Diego, CA, USA | Source record |
| Bob James | 1 | First positive recorded appearance: 1978 · Glendale, CA, USA | Source record |
| Bob Jones | 1 | First positive recorded appearance: 1917 · Clayton, CA, USA | Source record |
| Bob Joyce | 1 | First positive recorded appearance: 1939 · Stockton, CA, USA | Source record |
| Bob Lemon | 1 | First positive recorded appearance: 1941 · San Bernardino, CA, USA | Source record |
| Bob Lillis | 1 | First positive recorded appearance: 1958 · Altadena, CA, USA | Source record |
| Bob Loane | 1 | First positive recorded appearance: 1939 · Berkeley, CA, USA | Source record |
| Bob McClure | 1 | First positive recorded appearance: 1975 · Oakland, CA, USA | Source record |
| Bob McHale | 1 | First positive recorded appearance: 1898 · Sacramento, CA, USA | Source record |
| Bob Meacham | 1 | First positive recorded appearance: 1983 · Los Angeles, CA, USA | Source record |
| Bob Melvin | 1 | First positive recorded appearance: 1985 · Palo Alto, CA, USA | Source record |
| Bob Meusel | 1 | First positive recorded appearance: 1920 · San Jose, CA, USA | Source record |
| Bob Natal | 1 | First positive recorded appearance: 1992 · Long Beach, CA, USA | Source record |
| Bob Ojeda | 1 | First positive recorded appearance: 1980 · Los Angeles, CA, USA | Source record |
| Bob Pate | 1 | First positive recorded appearance: 1980 · Los Angeles, CA, USA | Source record |
| Bob Reece | 1 | First positive recorded appearance: 1978 · Sacramento, CA, USA | Source record |
| Bob Roselli | 1 | First positive recorded appearance: 1955 · San Francisco, CA, USA | Source record |
| Bob Ross | 1 | First positive recorded appearance: 1950 · Fullerton, CA, USA | Source record |
| Bob Scanlan | 1 | First positive recorded appearance: 1991 · Los Angeles, CA, USA | Source record |
| Bob Sheldon | 1 | First positive recorded appearance: 1974 · Montebello, CA, USA | Source record |
| Bob Skinner | 1 | First positive recorded appearance: 1954 · La Jolla, CA, USA | Source record |
| Bob Skube | 1 | First positive recorded appearance: 1982 · Northridge, CA, USA | Source record |
| Bob Smith | 1 | First positive recorded appearance: 1998 · Oakland, CA, USA | Source record |
| Bob Spence | 1 | First positive recorded appearance: 1969 · San Diego, CA, USA | Source record |
| Bob Stoddard | 1 | First positive recorded appearance: 1981 · San Jose, CA, USA | Source record |
| Bob Talbot | 1 | First positive recorded appearance: 1953 · Visalia, CA, USA | Source record |
| Bob Thorpe | 1 | First positive recorded appearance: 1955 · San Diego, CA, USA | Source record |
| Bob Uhl | 1 | First positive recorded appearance: 1938 · San Francisco, CA, USA | Source record |
| Bob Usher | 1 | First positive recorded appearance: 1946 · San Diego, CA, USA | Source record |
| Bob Walk | 1 | First positive recorded appearance: 1980 · Van Nuys, CA, USA | Source record |
| Bob Watkins | 1 | First positive recorded appearance: 1969 · San Francisco, CA, USA | Source record |
| Bob Watson | 1 | First positive recorded appearance: 1966 · Los Angeles, CA, USA | Source record |
| Bob Wolcott | 1 | First positive recorded appearance: 1995 · Huntington Beach, CA, USA | Source record |
| Bobby Adams | 1 | First positive recorded appearance: 1946 · Tuolumne, CA, USA | Source record |
| Bobby Ayala | 1 | First positive recorded appearance: 1992 · Ventura, CA, USA | Source record |
| Bobby Balcena | 1 | First positive recorded appearance: 1956 · San Pedro, CA, USA | Source record |
| Bobby Bonds | 1 | First positive recorded appearance: 1968 · Riverside, CA, USA | Source record |
| Bobby Brooks | 1 | First positive recorded appearance: 1969 · Los Angeles, CA, USA | Source record |
| Bobby Castillo | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| Bobby Clark | 1 | First positive recorded appearance: 1979 · Sacramento, CA, USA | Source record |
| Bobby Cramer | 1 | First positive recorded appearance: 2010 · Anaheim, CA, USA | Source record |
| Bobby Crosby | 1 | First positive recorded appearance: 2003 · Lakewood, CA, USA | Source record |
| Bobby Darwin | 1 | First positive recorded appearance: 1962 · Los Angeles, CA, USA | Source record |
| Bobby Doerr | 1 | First positive recorded appearance: 1937 · Los Angeles, CA, USA | Source record |
| Bobby Floyd | 1 | First positive recorded appearance: 1968 · Hawthorne, CA, USA | Source record |
| Bobby Hill | 1 | First positive recorded appearance: 2002 · San Jose, CA, USA | Source record |
| Bobby Hughes | 1 | First positive recorded appearance: 1998 · Burbank, CA, USA | Source record |
| Bobby Jenks | 1 | First positive recorded appearance: 2005 · Mission Hills, CA, USA | Source record |
| Bobby Jones | 1 | First positive recorded appearance: 1993 · Fresno, CA, USA | Source record |
| Bobby Keefe | 1 | First positive recorded appearance: 1907 · Folsom, CA, USA | Source record |
| Bobby Kielty | 1 | First positive recorded appearance: 2001 · Fontana, CA, USA | Source record |
| Bobby LaFromboise | 1 | First positive recorded appearance: 2013 · Downey, CA, USA | Source record |
| Bobby Rose | 1 | First positive recorded appearance: 1989 · Covina, CA, USA | Source record |
| Bobby Tolan | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Boog Powell | 1 | First positive recorded appearance: 2017 · Irvine, CA, USA | Source record |
| Brad Bergesen | 1 | First positive recorded appearance: 2009 · Fairfield, CA, USA | Source record |
| Brad Boxberger | 1 | First positive recorded appearance: 2012 · Fullerton, CA, USA | Source record |
| Brad Brink | 1 | First positive recorded appearance: 1992 · Roseville, CA, USA | Source record |
| Brad Davis | 1 | First positive recorded appearance: 2010 · San Diego, CA, USA | Source record |
| Brad Fullmer | 1 | First positive recorded appearance: 1997 · Chatsworth, CA, USA | Source record |
| Brad Kilby | 1 | First positive recorded appearance: 2009 · Modesto, CA, USA | Source record |
| Brad Lesley | 1 | First positive recorded appearance: 1982 · Turlock, CA, USA | Source record |
| Brad Lidge | 1 | First positive recorded appearance: 2002 · Sacramento, CA, USA | Source record |
| Brad Mills | 1 | First positive recorded appearance: 1980 · Exeter, CA, USA | Source record |
| Brad Wellman | 1 | First positive recorded appearance: 1982 · Lodi, CA, USA | Source record |
| Braden Bishop | 1 | First positive recorded appearance: 2019 · Woodland, CA, USA | Source record |
| Bradin Hagens | 1 | First positive recorded appearance: 2014 · Modesto, CA, USA | Source record |
| Bradley Zimmer | 1 | First positive recorded appearance: 2017 · La Jolla, CA, USA | Source record |
| Brady Raggio | 1 | First positive recorded appearance: 1997 · Los Angeles, CA, USA | Source record |
| Branden Pinder | 1 | First positive recorded appearance: 2015 · Corona, CA, USA | Source record |
| Brandon Barnes | 1 | First positive recorded appearance: 2012 · Orange, CA, USA | Source record |
| Brandon Brennan | 1 | First positive recorded appearance: 2019 · Mission Viejo, CA, USA | Source record |
| Brandon Crawford | 1 | First positive recorded appearance: 2011 · Mountain View, CA, USA | Source record |
| Brandon Cunniff | 1 | First positive recorded appearance: 2015 · Arcadia, CA, USA | Source record |
| Brandon Dixon | 1 | First positive recorded appearance: 2018 · La Jolla, CA, USA | Source record |
| Brandon Knight | 1 | First positive recorded appearance: 2001 · Oxnard, CA, USA | Source record |
| Brandon Kolb | 1 | First positive recorded appearance: 2000 · Oakland, CA, USA | Source record |
| Brandon Laird | 1 | First positive recorded appearance: 2011 · Cypress, CA, USA | Source record |
| Brandon League | 1 | First positive recorded appearance: 2004 · Sacramento, CA, USA | Source record |
| Brandon Maurer | 1 | First positive recorded appearance: 2013 · Newport Beach, CA, USA | Source record |
| Brandon McCarthy | 1 | First positive recorded appearance: 2005 · Glendale, CA, USA | Source record |
| Brandon Morrow | 1 | First positive recorded appearance: 2007 · Santa Rosa, CA, USA | Source record |
| Brandon Puffer | 1 | First positive recorded appearance: 2002 · Downey, CA, USA | Source record |
| Brandon Watson | 1 | First positive recorded appearance: 2005 · Los Angeles, CA, USA | Source record |
| Brant Brown | 1 | First positive recorded appearance: 1996 · Porterville, CA, USA | Source record |
| Brendan Ryan | 1 | First positive recorded appearance: 2007 · Los Angeles, CA, USA | Source record |
| Brendon Davis | 1 | First positive recorded appearance: 2022 · Lakewood, CA, USA | Source record |
| Brennan Bernardino | 1 | First positive recorded appearance: 2022 · Valencia, CA, USA | Source record |
| Brennan Boesch | 1 | First positive recorded appearance: 2010 · Santa Monica, CA, USA | Source record |
| Brent Billingsley | 1 | First positive recorded appearance: 1999 · Downey, CA, USA | Source record |
| Brent Cookson | 1 | First positive recorded appearance: 1995 · Van Nuys, CA, USA | Source record |
| Brent Knackert | 1 | First positive recorded appearance: 1990 · Los Angeles, CA, USA | Source record |
| Brent Mayne | 1 | First positive recorded appearance: 1990 · Loma Linda, CA, USA | Source record |
| Brent Morel | 1 | First positive recorded appearance: 2010 · Bakersfield, CA, USA | Source record |
| Brent Strom | 1 | First positive recorded appearance: 1972 · San Diego, CA, USA | Source record |
| Bret Barberie | 1 | First positive recorded appearance: 1991 · Long Beach, CA, USA | Source record |
| Bret Boone | 1 | First positive recorded appearance: 1992 · El Cajon, CA, USA | Source record |
| Bret Hemphill | 1 | First positive recorded appearance: 1999 · Santa Clara, CA, USA | Source record |
| Brett Bochy | 1 | First positive recorded appearance: 2014 · San Diego, CA, USA | Source record |
| Brett Butler | 1 | First positive recorded appearance: 1981 · Los Angeles, CA, USA | Source record |
| Brett de Geus | 1 | First positive recorded appearance: 2021 · Pleasanton, CA, USA | Source record |
| Brett Eibner | 1 | First positive recorded appearance: 2016 · San Diego, CA, USA | Source record |
| Brett Hayes | 1 | First positive recorded appearance: 2009 · Pasadena, CA, USA | Source record |
| Brett Jackson | 1 | First positive recorded appearance: 2012 · Berkeley, CA, USA | Source record |
| Brett Pill | 1 | First positive recorded appearance: 2011 · San Dimas, CA, USA | Source record |
| Brett Sullivan | 1 | First positive recorded appearance: 2023 · Stockton, CA, USA | Source record |
| Brett Wallace | 1 | First positive recorded appearance: 2010 · Greenbrae, CA, USA | Source record |
| Brian Asselstine | 1 | First positive recorded appearance: 1976 · Santa Barbara, CA, USA | Source record |
| Brian Barden | 1 | First positive recorded appearance: 2007 · Templeton, CA, USA | Source record |
| Brian Barton | 1 | First positive recorded appearance: 2008 · Los Angeles, CA, USA | Source record |
| Brian Bowles | 1 | First positive recorded appearance: 2001 · Harbor City, CA, USA | Source record |
| Brian Cooper | 1 | First positive recorded appearance: 1999 · Hollywood, CA, USA | Source record |
| Brian Downing | 1 | First positive recorded appearance: 1973 · Los Angeles, CA, USA | Source record |
| Brian Edmondson | 1 | First positive recorded appearance: 1998 · Fontana, CA, USA | Source record |
| Brian Falkenborg | 1 | First positive recorded appearance: 1999 · Newport Beach, CA, USA | Source record |
| Brian Fuentes | 1 | First positive recorded appearance: 2001 · Merced, CA, USA | Source record |
| Brian Giles | 1 | First positive recorded appearance: 1995 · El Cajon, CA, USA | Source record |
| Brian Givens | 1 | First positive recorded appearance: 1995 · Lompoc, CA, USA | Source record |
| Brian Greer | 1 | First positive recorded appearance: 1977 · Lynwood, CA, USA | Source record |
| Brian Harper | 1 | First positive recorded appearance: 1979 · Los Angeles, CA, USA | Source record |
| Brian Horwitz | 1 | First positive recorded appearance: 2008 · Santa Monica, CA, USA | Source record |
| Brian Hunter | 1 | First positive recorded appearance: 1991 · Torrance, CA, USA | Source record |
| Brian Johnson | 1 | First positive recorded appearance: 1994 · Oakland, CA, USA | Source record |
| Brian Keyser | 1 | First positive recorded appearance: 1995 · Castro Valley, CA, USA | Source record |
| Brian Kingman | 1 | First positive recorded appearance: 1979 · Los Angeles, CA, USA | Source record |
| Brian McCall | 1 | First positive recorded appearance: 1962 · Kentfield, CA, USA | Source record |
| Brian Serven | 1 | First positive recorded appearance: 2022 · Palm Desert, CA, USA | Source record |
| Brian Stokes | 1 | First positive recorded appearance: 2006 · Pomona, CA, USA | Source record |
| Brian Turang | 1 | First positive recorded appearance: 1993 · Long Beach, CA, USA | Source record |
| Brian Wolfe | 1 | First positive recorded appearance: 2007 · Fullerton, CA, USA | Source record |
| Brice Turang | 1 | First positive recorded appearance: 2023 · Corona, CA, USA | Source record |
| Brock Davis | 1 | First positive recorded appearance: 1963 · Oakland, CA, USA | Source record |
| Brock Stassi | 1 | First positive recorded appearance: 2017 · Sacramento, CA, USA | Source record |
| Broderick Perkins | 1 | First positive recorded appearance: 1978 · Pittsburg, CA, USA | Source record |
| Brooks Conrad | 1 | First positive recorded appearance: 2008 · San Diego, CA, USA | Source record |
| Brooks Lee | 1 | First positive recorded appearance: 2024 · San Luis Obispo, CA, USA | Source record |
| Brooks Pounders | 1 | First positive recorded appearance: 2016 · Riverside, CA, USA | Source record |
| Bruce Billings | 1 | First positive recorded appearance: 2011 · San Diego, CA, USA | Source record |
| Bruce Bochte | 1 | First positive recorded appearance: 1974 · Pasadena, CA, USA | Source record |
| Bruce Cunningham | 1 | First positive recorded appearance: 1929 · San Francisco, CA, USA | Source record |
| Bruce Robinson | 1 | First positive recorded appearance: 1978 · La Jolla, CA, USA | Source record |
| Bruce Von Hoff | 1 | First positive recorded appearance: 1965 · Oakland, CA, USA | Source record |
| Bruce Walton | 1 | First positive recorded appearance: 1991 · Bakersfield, CA, USA | Source record |
| Bryan Anderson | 1 | First positive recorded appearance: 2010 · Thousand Oaks, CA, USA | Source record |
| Bryan Clark | 1 | First positive recorded appearance: 1981 · Madera, CA, USA | Source record |
| Bryan Corey | 1 | First positive recorded appearance: 1998 · Thousand Oaks, CA, USA | Source record |
| Bryan Petersen | 1 | First positive recorded appearance: 2010 · Agoura Hills, CA, USA | Source record |
| Bryan Shaw | 1 | First positive recorded appearance: 2011 · Livermore, CA, USA | Source record |
| Bryan Woo | 1 | First positive recorded appearance: 2023 · Oakland, CA, USA | Source record |
| Bubby Rossman | 1 | First positive recorded appearance: 2022 · La Habra, CA, USA | Source record |
| Buck Martinez | 1 | First positive recorded appearance: 1969 · Redding, CA, USA | Source record |
| Buckshot May | 1 | First positive recorded appearance: 1924 · Bakersfield, CA, USA | Source record |
| Bud Connolly | 1 | First positive recorded appearance: 1925 · San Francisco, CA, USA | Source record |
| Bud Daley | 1 | First positive recorded appearance: 1955 · Orange, CA, USA | Source record |
| Bud Hafey | 1 | First positive recorded appearance: 1935 · Berkeley, CA, USA | Source record |
| Bud Harrelson | 1 | First positive recorded appearance: 1965 · Niles, CA, USA | Source record |
| Bud Morse | 1 | First positive recorded appearance: 1929 · Berkeley, CA, USA | Source record |
| Bud Norris | 1 | First positive recorded appearance: 2009 · Greenbrae, CA, USA | Source record |
| Bud Smith | 1 | First positive recorded appearance: 2001 · Torrance, CA, USA | Source record |
| Bud Stewart | 1 | First positive recorded appearance: 1941 · Sacramento, CA, USA | Source record |
| Bud Teachout | 1 | First positive recorded appearance: 1930 · Los Angeles, CA, USA | Source record |
| Buddy Biancalana | 1 | First positive recorded appearance: 1982 · Greenbrae, CA, USA | Source record |
| Buddy Black | 1 | First positive recorded appearance: 1981 · San Mateo, CA, USA | Source record |
| Buddy Hicks | 1 | First positive recorded appearance: 1956 · Belvedere, CA, USA | Source record |
| Buddy Pritchard | 1 | First positive recorded appearance: 1957 · South Gate, CA, USA | Source record |
| Buzz Arlett | 1 | First positive recorded appearance: 1931 · Elmhurst, CA, USA | Source record |
| Buzz Stephen | 1 | First positive recorded appearance: 1968 · Porterville, CA, USA | Source record |
| Byron McLaughlin | 1 | First positive recorded appearance: 1977 · Van Nuys, CA, USA | Source record |
| C. J. Cron | 1 | First positive recorded appearance: 2014 · Fullerton, CA, USA | Source record |
| C. J. Fick | 1 | First positive recorded appearance: 2012 · Thousand Oaks, CA, USA | Source record |
| C. J. Wilson | 1 | First positive recorded appearance: 2005 · Newport Beach, CA, USA | Source record |
| Cal Mitchell | 1 | First positive recorded appearance: 2022 · San Diego, CA, USA | Source record |
| Cal Stevenson | 1 | First positive recorded appearance: 2022 · Fremont, CA, USA | Source record |
| Caleb Kilian | 1 | First positive recorded appearance: 2022 · Anaheim, CA, USA | Source record |
| Calvin Faucher | 1 | First positive recorded appearance: 2022 · Chula Vista, CA, USA | Source record |
| Calvin Jones | 1 | First positive recorded appearance: 1991 · Compton, CA, USA | Source record |
| Cam Carreon | 1 | First positive recorded appearance: 1959 · Colton, CA, USA | Source record |
| Cam Eden | 1 | First positive recorded appearance: 2023 · Yuba City, CA, USA | Source record |
| Cam Sanders | 1 | First positive recorded appearance: 2025 · San Diego, CA, USA | Source record |
| Carl Holling | 1 | First positive recorded appearance: 1921 · Dixon, CA, USA | Source record |
| Carl Nichols | 1 | First positive recorded appearance: 1986 · Los Angeles, CA, USA | Source record |
| Carl Zamloch | 1 | First positive recorded appearance: 1913 · Oakland, CA, USA | Source record |
| Carlos Fisher | 1 | First positive recorded appearance: 2009 · West Covina, CA, USA | Source record |
| Carlos Muniz | 1 | First positive recorded appearance: 2007 · Torrance, CA, USA | Source record |
| Carlos Quentin | 1 | First positive recorded appearance: 2006 · Bellflower, CA, USA | Source record |
| Carlos Torres | 1 | First positive recorded appearance: 2009 · Santa Cruz, CA, USA | Source record |
| Carney Lansford | 1 | First positive recorded appearance: 1978 · San Jose, CA, USA | Source record |
| Carson Seymour | 1 | First positive recorded appearance: 2025 · Poway, CA, USA | Source record |
| Carson Williams | 1 | First positive recorded appearance: 2025 · San Diego, CA, USA | Source record |
| Casey Candaele | 1 | First positive recorded appearance: 1986 · Lompoc, CA, USA | Source record |
| Casey Cox | 1 | First positive recorded appearance: 1966 · Long Beach, CA, USA | Source record |
| Casey Fien | 1 | First positive recorded appearance: 2009 · Santa Rosa, CA, USA | Source record |
| Casey Janssen | 1 | First positive recorded appearance: 2006 · Orange, CA, USA | Source record |
| Casey McGehee | 1 | First positive recorded appearance: 2008 · Santa Cruz, CA, USA | Source record |
| Casey Schmitt | 1 | First positive recorded appearance: 2023 · San Diego, CA, USA | Source record |
| CC Sabathia | 1 | First positive recorded appearance: 2001 · Vallejo, CA, USA | Source record |
| Cecil Espy | 1 | First positive recorded appearance: 1983 · San Diego, CA, USA | Source record |
| Cecil Fielder | 1 | First positive recorded appearance: 1985 · Los Angeles, CA, USA | Source record |
| Cesar Ramos | 1 | First positive recorded appearance: 2009 · Los Angeles, CA, USA | Source record |
| Chad Cordero | 1 | First positive recorded appearance: 2003 · Upland, CA, USA | Source record |
| Chad Fox | 1 | First positive recorded appearance: 1997 · Coronado, CA, USA | Source record |
| Chad Kreuter | 1 | First positive recorded appearance: 1988 · Greenbrae, CA, USA | Source record |
| Chad Moeller | 1 | First positive recorded appearance: 2000 · Upland, CA, USA | Source record |
| Chad Qualls | 1 | First positive recorded appearance: 2004 · Lomita, CA, USA | Source record |
| Chad Smith | 1 | First positive recorded appearance: 2014 · Thousand Oaks, CA, USA | Source record |
| Chad Stevens | 1 | First positive recorded appearance: 2025 · Walnut Creek, CA, USA | Source record |
| Chad Wallach | 1 | First positive recorded appearance: 2017 · Yorba Linda, CA, USA | Source record |
| Chance Sisco | 1 | First positive recorded appearance: 2017 · Corona, CA, USA | Source record |
| Charles Gipson | 1 | First positive recorded appearance: 1998 · Orange, CA, USA | Source record |
| Charles Thomas | 1 | First positive recorded appearance: 2004 · Fairfield, CA, USA | Source record |
| Charles Wensloff | 1 | First positive recorded appearance: 1943 · Sausalito, CA, USA | Source record |
| Charley Hall | 1 | First positive recorded appearance: 1906 · Ventura, CA, USA | Source record |
| Charlie Beamon | 1 | First positive recorded appearance: 1956 · Oakland, CA, USA | Source record |
| Charlie Beamon | 1 | First positive recorded appearance: 1978 · Oakland, CA, USA | Source record |
| Charlie Chant | 1 | First positive recorded appearance: 1975 · Bell, CA, USA | Source record |
| Charlie Dorman | 1 | First positive recorded appearance: 1923 · San Francisco, CA, USA | Source record |
| Charlie Enwright | 1 | First positive recorded appearance: 1909 · Sacramento, CA, USA | Source record |
| Charlie Flanagan | 1 | First positive recorded appearance: 1913 · Oakland, CA, USA | Source record |
| Charlie Geggus | 1 | First positive recorded appearance: 1884 · San Francisco, CA, USA | Source record |
| Charlie Graham | 1 | First positive recorded appearance: 1906 · Santa Clara, CA, USA | Source record |
| Charlie Hartman | 1 | First positive recorded appearance: 1908 · Los Angeles, CA, USA | Source record |
| Charlie Schmutz | 1 | First positive recorded appearance: 1914 · San Diego, CA, USA | Source record |
| Charlie Shoemaker | 1 | First positive recorded appearance: 1961 · Los Angeles, CA, USA | Source record |
| Charlie Silvera | 1 | First positive recorded appearance: 1948 · San Francisco, CA, USA | Source record |
| Charlie Sweeney | 1 | First positive recorded appearance: 1882 · San Francisco, CA, USA | Source record |
| Charlie Zink | 1 | First positive recorded appearance: 2008 · Carmichael, CA, USA | Source record |
| Charlton Jimerson | 1 | First positive recorded appearance: 2005 · San Leandro, CA, USA | Source record |
| Chase d'Arnaud | 1 | First positive recorded appearance: 2011 · Torrance, CA, USA | Source record |
| Chase De Jong | 1 | First positive recorded appearance: 2017 · Long Beach, CA, USA | Source record |
| Chase Meidroth | 1 | First positive recorded appearance: 2025 · Torrance, CA, USA | Source record |
| Chase Utley | 1 | First positive recorded appearance: 2003 · Pasadena, CA, USA | Source record |
| Chet Clemens | 1 | First positive recorded appearance: 1939 · San Fernando, CA, USA | Source record |
| Chet Kehn | 1 | First positive recorded appearance: 1942 · San Diego, CA, USA | Source record |
| Chick Hafey | 1 | First positive recorded appearance: 1924 · Berkeley, CA, USA | Source record |
| Chicken Hawks | 1 | First positive recorded appearance: 1921 · San Francisco, CA, USA | Source record |
| Chip Hale | 1 | First positive recorded appearance: 1989 · San Jose, CA, USA | Source record |
| Chris Aguila | 1 | First positive recorded appearance: 2004 · Redwood City, CA, USA | Source record |
| Chris Arnold | 1 | First positive recorded appearance: 1971 · Long Beach, CA, USA | Source record |
| Chris Batton | 1 | First positive recorded appearance: 1976 · Los Angeles, CA, USA | Source record |
| Chris Bosio | 1 | First positive recorded appearance: 1986 · Carmichael, CA, USA | Source record |
| Chris Cannizzaro | 1 | First positive recorded appearance: 1960 · Oakland, CA, USA | Source record |
| Chris Carter | 1 | First positive recorded appearance: 2008 · Fremont, CA, USA | Source record |
| Chris Carter | 1 | First positive recorded appearance: 2010 · Redwood City, CA, USA | Source record |
| Chris Codiroli | 1 | First positive recorded appearance: 1982 · Oxnard, CA, USA | Source record |
| Chris Demaria | 1 | First positive recorded appearance: 2005 · Torrance, CA, USA | Source record |
| Chris Devenski | 1 | First positive recorded appearance: 2016 · Cerritos, CA, USA | Source record |
| Chris Dickerson | 1 | First positive recorded appearance: 2008 · Hollywood, CA, USA | Source record |
| Chris Dominguez | 1 | First positive recorded appearance: 2014 · Los Angeles, CA, USA | Source record |
| Chris Donnels | 1 | First positive recorded appearance: 1991 · Los Angeles, CA, USA | Source record |
| Chris Flexen | 1 | First positive recorded appearance: 2017 · Newark, CA, USA | Source record |
| Chris Gardner | 1 | First positive recorded appearance: 1991 · Long Beach, CA, USA | Source record |
| Chris Gimenez | 1 | First positive recorded appearance: 2009 · Gilroy, CA, USA | Source record |
| Chris Gomez | 1 | First positive recorded appearance: 1993 · Los Angeles, CA, USA | Source record |
| Chris Green | 1 | First positive recorded appearance: 1984 · Los Angeles, CA, USA | Source record |
| Chris Gwynn | 1 | First positive recorded appearance: 1987 · Los Angeles, CA, USA | Source record |
| Chris Hartje | 1 | First positive recorded appearance: 1939 · San Francisco, CA, USA | Source record |
| Chris Hatcher | 1 | First positive recorded appearance: 1998 · Anaheim, CA, USA | Source record |
| Chris Hook | 1 | First positive recorded appearance: 1995 · San Diego, CA, USA | Source record |
| Chris Howard | 1 | First positive recorded appearance: 1991 · San Diego, CA, USA | Source record |
| Chris Jakubauskas | 1 | First positive recorded appearance: 2009 · Anaheim, CA, USA | Source record |
| Chris Jones | 1 | First positive recorded appearance: 1985 · Los Angeles, CA, USA | Source record |
| Chris Krug | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Chris Lambert | 1 | First positive recorded appearance: 2008 · Burlingame, CA, USA | Source record |
| Chris Mazza | 1 | First positive recorded appearance: 2019 · Walnut Creek, CA, USA | Source record |
| Chris Murphy | 1 | First positive recorded appearance: 2023 · Mission Hills, CA, USA | Source record |
| Chris Nelson | 1 | First positive recorded appearance: 2010 · Escondido, CA, USA | Source record |
| Chris Nyman | 1 | First positive recorded appearance: 1982 · Pomona, CA, USA | Source record |
| Chris Parmelee | 1 | First positive recorded appearance: 2011 · Long Beach, CA, USA | Source record |
| Chris Pettit | 1 | First positive recorded appearance: 2009 · Pasadena, CA, USA | Source record |
| Chris Piersoll | 1 | First positive recorded appearance: 2001 · Van Nuys, CA, USA | Source record |
| Chris Prieto | 1 | First positive recorded appearance: 2005 · Carmel, CA, USA | Source record |
| Chris Pritchett | 1 | First positive recorded appearance: 1996 · Merced, CA, USA | Source record |
| Chris Richard | 1 | First positive recorded appearance: 2000 · San Diego, CA, USA | Source record |
| Chris Roberson | 1 | First positive recorded appearance: 2006 · Oakland, CA, USA | Source record |
| Chris Schwinden | 1 | First positive recorded appearance: 2011 · Visalia, CA, USA | Source record |
| Chris Seddon | 1 | First positive recorded appearance: 2007 · Northridge, CA, USA | Source record |
| Chris Singleton | 1 | First positive recorded appearance: 1999 · Martinez, CA, USA | Source record |
| Chris Smith | 1 | First positive recorded appearance: 1981 · Torrance, CA, USA | Source record |
| Chris Smith | 1 | First positive recorded appearance: 2008 · Apple Valley, CA, USA | Source record |
| Chris Speier | 1 | First positive recorded appearance: 1971 · Alameda, CA, USA | Source record |
| Chris Stewart | 1 | First positive recorded appearance: 2006 · Fontana, CA, USA | Source record |
| Chris Tillman | 1 | First positive recorded appearance: 2009 · Anaheim, CA, USA | Source record |
| Chris Truby | 1 | First positive recorded appearance: 2000 · Palm Springs, CA, USA | Source record |
| Chris Valaika | 1 | First positive recorded appearance: 2010 · Santa Monica, CA, USA | Source record |
| Chris Wakeland | 1 | First positive recorded appearance: 2001 · Huntington Beach, CA, USA | Source record |
| Chris Ward | 1 | First positive recorded appearance: 1972 · Oakland, CA, USA | Source record |
| Chris Woodward | 1 | First positive recorded appearance: 1999 · Covina, CA, USA | Source record |
| Christian Bergman | 1 | First positive recorded appearance: 2014 · Glendale, CA, USA | Source record |
| Christian Encarnacion-Strand | 1 | First positive recorded appearance: 2023 · Walnut Creek, CA, USA | Source record |
| Christian Koss | 1 | First positive recorded appearance: 2025 · Riverside, CA, USA | Source record |
| Christian Lopes | 1 | First positive recorded appearance: 2022 · Huntington Beach, CA, USA | Source record |
| Christian Yelich | 1 | First positive recorded appearance: 2013 · Thousand Oaks, CA, USA | Source record |
| Chuck Carr | 1 | First positive recorded appearance: 1990 · San Bernardino, CA, USA | Source record |
| Chuck Cary | 1 | First positive recorded appearance: 1985 · Whittier, CA, USA | Source record |
| Chuck Crim | 1 | First positive recorded appearance: 1987 · Van Nuys, CA, USA | Source record |
| Chuck Estrada | 1 | First positive recorded appearance: 1960 · San Luis Obispo, CA, USA | Source record |
| Chuck Hensley | 1 | First positive recorded appearance: 1986 · Tulare, CA, USA | Source record |
| Chuck Nieson | 1 | First positive recorded appearance: 1964 · Hanford, CA, USA | Source record |
| Chuck Rainey | 1 | First positive recorded appearance: 1979 · San Diego, CA, USA | Source record |
| Cisco Carlos | 1 | First positive recorded appearance: 1967 · Monrovia, CA, USA | Source record |
| CJ Stubbs | 1 | First positive recorded appearance: 2025 · San Diego, CA, USA | Source record |
| Clarence Fieber | 1 | First positive recorded appearance: 1932 · San Francisco, CA, USA | Source record |
| Claudell Washington | 1 | First positive recorded appearance: 1974 · Los Angeles, CA, USA | Source record |
| Clay Dalrymple | 1 | First positive recorded appearance: 1960 · Chico, CA, USA | Source record |
| Clayton Andrews | 1 | First positive recorded appearance: 2023 · Petaluma, CA, USA | Source record |
| Cliff Dapper | 1 | First positive recorded appearance: 1942 · Los Angeles, CA, USA | Source record |
| Clint Conatser | 1 | First positive recorded appearance: 1948 · Los Angeles, CA, USA | Source record |
| Clyde Beck | 1 | First positive recorded appearance: 1926 · Bassett, CA, USA | Source record |
| Clyde Mashore | 1 | First positive recorded appearance: 1969 · Concord, CA, USA | Source record |
| Coco Crisp | 1 | First positive recorded appearance: 2002 · Los Angeles, CA, USA | Source record |
| Cody Anderson | 1 | First positive recorded appearance: 2015 · Quincy, CA, USA | Source record |
| Cody Decker | 1 | First positive recorded appearance: 2015 · Santa Monica, CA, USA | Source record |
| Cody Freeman | 1 | First positive recorded appearance: 2025 · Pomona, CA, USA | Source record |
| Cody Martin | 1 | First positive recorded appearance: 2015 · Dos Palos, CA, USA | Source record |
| Cody Ponce | 1 | First positive recorded appearance: 2020 · Pomona, CA, USA | Source record |
| Cody Poteet | 1 | First positive recorded appearance: 2021 · San Diego, CA, USA | Source record |
| Colby Lewis | 1 | First positive recorded appearance: 2002 · Bakersfield, CA, USA | Source record |
| Cole Garner | 1 | First positive recorded appearance: 2011 · Long Beach, CA, USA | Source record |
| Cole Hamels | 1 | First positive recorded appearance: 2006 · San Diego, CA, USA | Source record |
| Cole Irvin | 1 | First positive recorded appearance: 2019 · Yorba Linda, CA, USA | Source record |
| Cole Liniak | 1 | First positive recorded appearance: 1999 · Encinitas, CA, USA | Source record |
| Cole Sulser | 1 | First positive recorded appearance: 2019 · Poway, CA, USA | Source record |
| Colin Walsh | 1 | First positive recorded appearance: 2016 · San Diego, CA, USA | Source record |
| Colin Ward | 1 | First positive recorded appearance: 1985 · Los Angeles, CA, USA | Source record |
| Collin Balester | 1 | First positive recorded appearance: 2008 · Huntington Beach, CA, USA | Source record |
| Con Dempsey | 1 | First positive recorded appearance: 1951 · San Francisco, CA, USA | Source record |
| Conner Greene | 1 | First positive recorded appearance: 2021 · Santa Monica, CA, USA | Source record |
| Conner Menez | 1 | First positive recorded appearance: 2019 · Hollister, CA, USA | Source record |
| Connor Brogdon | 1 | First positive recorded appearance: 2020 · Clovis, CA, USA | Source record |
| Connor Joe | 1 | First positive recorded appearance: 2019 · San Diego, CA, USA | Source record |
| Connor Seabold | 1 | First positive recorded appearance: 2021 · Laguna Hills, CA, USA | Source record |
| Cookie Lavagetto | 1 | First positive recorded appearance: 1934 · Oakland, CA, USA | Source record |
| Corbin Burnes | 1 | First positive recorded appearance: 2018 · Bakersfield, CA, USA | Source record |
| Cord Phelps | 1 | First positive recorded appearance: 2011 · Stanford, CA, USA | Source record |
| Corey Oswalt | 1 | First positive recorded appearance: 2018 · San Diego, CA, USA | Source record |
| Corky Miller | 1 | First positive recorded appearance: 2001 · Yucaipa, CA, USA | Source record |
| Cory Abbott | 1 | First positive recorded appearance: 2021 · San Diego, CA, USA | Source record |
| Cory Lidle | 1 | First positive recorded appearance: 1997 · Hollywood, CA, USA | Source record |
| Cory Snyder | 1 | First positive recorded appearance: 1986 · Inglewood, CA, USA | Source record |
| Craig Cacek | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| Craig Caskey | 1 | First positive recorded appearance: 1973 · Visalia, CA, USA | Source record |
| Craig Chamberlain | 1 | First positive recorded appearance: 1979 · Hollywood, CA, USA | Source record |
| Craig Minetto | 1 | First positive recorded appearance: 1978 · Stockton, CA, USA | Source record |
| Craig Mitchell | 1 | First positive recorded appearance: 1975 · Santa Rosa, CA, USA | Source record |
| Craig Paquette | 1 | First positive recorded appearance: 1993 · Long Beach, CA, USA | Source record |
| Craig Swan | 1 | First positive recorded appearance: 1973 · Van Nuys, CA, USA | Source record |
| Craig Wilson | 1 | First positive recorded appearance: 2001 · Fountain Valley, CA, USA | Source record |
| Craig Worthington | 1 | First positive recorded appearance: 1988 · Los Angeles, CA, USA | Source record |
| Cuno Barragan | 1 | First positive recorded appearance: 1961 · Sacramento, CA, USA | Source record |
| Curt Casali | 1 | First positive recorded appearance: 2014 · Walnut Creek, CA, USA | Source record |
| Curt Wardle | 1 | First positive recorded appearance: 1984 · Downey, CA, USA | Source record |
| Curtis Brown | 1 | First positive recorded appearance: 1973 · Sacramento, CA, USA | Source record |
| Curtis Goodwin | 1 | First positive recorded appearance: 1995 · Oakland, CA, USA | Source record |
| Curtis Partch | 1 | First positive recorded appearance: 2013 · Merced, CA, USA | Source record |
| D. J. Houlton | 1 | First positive recorded appearance: 2005 · Fullerton, CA, USA | Source record |
| Dad Clark | 1 | First positive recorded appearance: 1902 · San Francisco, CA, USA | Source record |
| Dale Coogan | 1 | First positive recorded appearance: 1950 · Los Angeles, CA, USA | Source record |
| Dale Sveum | 1 | First positive recorded appearance: 1986 · Richmond, CA, USA | Source record |
| Dale Thayer | 1 | First positive recorded appearance: 2009 · Fountain Valley, CA, USA | Source record |
| Damian Jackson | 1 | First positive recorded appearance: 1996 · Los Angeles, CA, USA | Source record |
| Damon Berryhill | 1 | First positive recorded appearance: 1987 · South Laguna, CA, USA | Source record |
| Damon Hollins | 1 | First positive recorded appearance: 1998 · Fairfield, CA, USA | Source record |
| Dan Boitano | 1 | First positive recorded appearance: 1978 · Sacramento, CA, USA | Source record |
| Dan Briggs | 1 | First positive recorded appearance: 1975 · Scotia, CA, USA | Source record |
| Dan Camarena | 1 | First positive recorded appearance: 2021 · Bonita, CA, USA | Source record |
| Dan Cortes | 1 | First positive recorded appearance: 2010 · Pomona, CA, USA | Source record |
| Dan Duran | 1 | First positive recorded appearance: 1981 · Palo Alto, CA, USA | Source record |
| Dan Ford | 1 | First positive recorded appearance: 1975 · Los Angeles, CA, USA | Source record |
| Dan Giese | 1 | First positive recorded appearance: 2007 · Anaheim, CA, USA | Source record |
| Dan Gladden | 1 | First positive recorded appearance: 1983 · San Jose, CA, USA | Source record |
| Dan Gonzales | 1 | First positive recorded appearance: 1979 · Whittier, CA, USA | Source record |
| Dan Haren | 1 | First positive recorded appearance: 2003 · Monterey Park, CA, USA | Source record |
| Dan Jennings | 1 | First positive recorded appearance: 2012 · Berkeley, CA, USA | Source record |
| Dan Larson | 1 | First positive recorded appearance: 1976 · Los Angeles, CA, USA | Source record |
| Dan Murphy | 1 | First positive recorded appearance: 1989 · Artesia, CA, USA | Source record |
| Dan Murray | 1 | First positive recorded appearance: 1999 · Los Alamitos, CA, USA | Source record |
| Dan Naulty | 1 | First positive recorded appearance: 1996 · Los Angeles, CA, USA | Source record |
| Dan Norman | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| Dan Petry | 1 | First positive recorded appearance: 1979 · Palo Alto, CA, USA | Source record |
| Dan Quisenberry | 1 | First positive recorded appearance: 1979 · Santa Monica, CA, USA | Source record |
| Dan Reichert | 1 | First positive recorded appearance: 1999 · Monterey, CA, USA | Source record |
| Dan Robertson | 1 | First positive recorded appearance: 2014 · Fontana, CA, USA | Source record |
| Dan Runzler | 1 | First positive recorded appearance: 2009 · Santa Monica, CA, USA | Source record |
| Dan Serafini | 1 | First positive recorded appearance: 1996 · San Francisco, CA, USA | Source record |
| Dan Straily | 1 | First positive recorded appearance: 2012 · Redlands, CA, USA | Source record |
| Dan Whitmer | 1 | First positive recorded appearance: 1980 · Redlands, CA, USA | Source record |
| Dane De La Rosa | 1 | First positive recorded appearance: 2011 · Torrance, CA, USA | Source record |
| Dane Iorg | 1 | First positive recorded appearance: 1977 · Eureka, CA, USA | Source record |
| Daniel Barone | 1 | First positive recorded appearance: 2007 · San Jose, CA, USA | Source record |
| Daniel Descalso | 1 | First positive recorded appearance: 2010 · Redwood City, CA, USA | Source record |
| Daniel Garcia | 1 | First positive recorded appearance: 2003 · Riverside, CA, USA | Source record |
| Daniel Johnson | 1 | First positive recorded appearance: 2020 · Vallejo, CA, USA | Source record |
| Daniel Muno | 1 | First positive recorded appearance: 2015 · Long Beach, CA, USA | Source record |
| Daniel Nava | 1 | First positive recorded appearance: 2010 · Redwood City, CA, USA | Source record |
| Daniel Ponce de Leon | 1 | First positive recorded appearance: 2018 · La Mirada, CA, USA | Source record |
| Daniel Robertson | 1 | First positive recorded appearance: 2017 · Upland, CA, USA | Source record |
| Daniel Schneemann | 1 | First positive recorded appearance: 2024 · San Diego, CA, USA | Source record |
| Daniel Stange | 1 | First positive recorded appearance: 2010 · Orange, CA, USA | Source record |
| Daniel Zamora | 1 | First positive recorded appearance: 2018 · Loma Linda, CA, USA | Source record |
| Dann Bilardello | 1 | First positive recorded appearance: 1983 · Santa Cruz, CA, USA | Source record |
| Danny Boone | 1 | First positive recorded appearance: 1981 · Long Beach, CA, USA | Source record |
| Danny Clay | 1 | First positive recorded appearance: 1988 · Sun Valley, CA, USA | Source record |
| Danny Dorn | 1 | First positive recorded appearance: 2015 · San Dimas, CA, USA | Source record |
| Danny Duffy | 1 | First positive recorded appearance: 2011 · Goleta, CA, USA | Source record |
| Danny Espinosa | 1 | First positive recorded appearance: 2010 · Santa Ana, CA, USA | Source record |
| Danny Frisella | 1 | First positive recorded appearance: 1967 · San Francisco, CA, USA | Source record |
| Danny Patterson | 1 | First positive recorded appearance: 1996 · San Gabriel, CA, USA | Source record |
| Danny Walton | 1 | First positive recorded appearance: 1968 · Los Angeles, CA, USA | Source record |
| Danny Worth | 1 | First positive recorded appearance: 2010 · Northridge, CA, USA | Source record |
| Dante Powell | 1 | First positive recorded appearance: 1997 · Long Beach, CA, USA | Source record |
| Dario Lodigiani | 1 | First positive recorded appearance: 1938 · San Francisco, CA, USA | Source record |
| Darius Vines | 1 | First positive recorded appearance: 2023 · Oxnard, CA, USA | Source record |
| Darnell Coles | 1 | First positive recorded appearance: 1983 · San Bernardino, CA, USA | Source record |
| Darrell Ceciliani | 1 | First positive recorded appearance: 2015 · Tracy, CA, USA | Source record |
| Darrell Evans | 1 | First positive recorded appearance: 1969 · Pasadena, CA, USA | Source record |
| Darrell Jackson | 1 | First positive recorded appearance: 1978 · Los Angeles, CA, USA | Source record |
| Darrell May | 1 | First positive recorded appearance: 1995 · San Bernardino, CA, USA | Source record |
| Darrell Sherman | 1 | First positive recorded appearance: 1993 · Los Angeles, CA, USA | Source record |
| Darrell Sutherland | 1 | First positive recorded appearance: 1964 · Glendale, CA, USA | Source record |
| Darren Baker | 1 | First positive recorded appearance: 2024 · Redwood City, CA, USA | Source record |
| Darren Clarke | 1 | First positive recorded appearance: 2007 · San Diego, CA, USA | Source record |
| Darren Lewis | 1 | First positive recorded appearance: 1990 · Berkeley, CA, USA | Source record |
| Darren McCaughan | 1 | First positive recorded appearance: 2021 · Long Beach, CA, USA | Source record |
| Darren Reed | 1 | First positive recorded appearance: 1990 · Ojai, CA, USA | Source record |
| Darrin Jackson | 1 | First positive recorded appearance: 1985 · Los Angeles, CA, USA | Source record |
| Darryl Kile | 1 | First positive recorded appearance: 1991 · Garden Grove, CA, USA | Source record |
| Darryl Scott | 1 | First positive recorded appearance: 1993 · Fresno, CA, USA | Source record |
| Darryl Strawberry | 1 | First positive recorded appearance: 1983 · Los Angeles, CA, USA | Source record |
| Daryl Patterson | 1 | First positive recorded appearance: 1968 · Coalinga, CA, USA | Source record |
| Daryl Sconiers | 1 | First positive recorded appearance: 1981 · San Bernardino, CA, USA | Source record |
| Daryle Ward | 1 | First positive recorded appearance: 1998 · Lynwood, CA, USA | Source record |
| DaShawn Keirsey | 1 | First positive recorded appearance: 2024 · San Diego, CA, USA | Source record |
| Daulton Jefferies | 1 | First positive recorded appearance: 2020 · Merced, CA, USA | Source record |
| Dave Adlesh | 1 | First positive recorded appearance: 1963 · Long Beach, CA, USA | Source record |
| Dave Bennett | 1 | First positive recorded appearance: 1964 · Berkeley, CA, USA | Source record |
| Dave Berg | 1 | First positive recorded appearance: 1998 · Roseville, CA, USA | Source record |
| Dave Cochrane | 1 | First positive recorded appearance: 1986 · Riverside, CA, USA | Source record |
| Dave Coggin | 1 | First positive recorded appearance: 2000 · Covina, CA, USA | Source record |
| Dave Cripe | 1 | First positive recorded appearance: 1978 · Ramona, CA, USA | Source record |
| Dave Edwards | 1 | First positive recorded appearance: 1978 · Los Angeles, CA, USA | Source record |
| Dave Engle | 1 | First positive recorded appearance: 1981 · San Diego, CA, USA | Source record |
| Dave Frost | 1 | First positive recorded appearance: 1977 · Long Beach, CA, USA | Source record |
| Dave Hajek | 1 | First positive recorded appearance: 1995 · Roseville, CA, USA | Source record |
| Dave Hansen | 1 | First positive recorded appearance: 1990 · Long Beach, CA, USA | Source record |
| Dave Henderson | 1 | First positive recorded appearance: 1981 · Merced, CA, USA | Source record |
| Dave Hengel | 1 | First positive recorded appearance: 1986 · Oakland, CA, USA | Source record |
| Dave Hostetler | 1 | First positive recorded appearance: 1981 · Pasadena, CA, USA | Source record |
| Dave Hudgens | 1 | First positive recorded appearance: 1983 · Oroville, CA, USA | Source record |
| Dave Huppert | 1 | First positive recorded appearance: 1983 · South Gate, CA, USA | Source record |
| Dave Leeper | 1 | First positive recorded appearance: 1984 · Santa Ana, CA, USA | Source record |
| Dave Leiper | 1 | First positive recorded appearance: 1984 · Whittier, CA, USA | Source record |
| Dave Liddell | 1 | First positive recorded appearance: 1990 · Los Angeles, CA, USA | Source record |
| Dave Marshall | 1 | First positive recorded appearance: 1967 · Artesia, CA, USA | Source record |
| Dave Matranga | 1 | First positive recorded appearance: 2003 · Orange, CA, USA | Source record |
| Dave Morehead | 1 | First positive recorded appearance: 1963 · San Diego, CA, USA | Source record |
| Dave Odom | 1 | First positive recorded appearance: 1943 · Dinuba, CA, USA | Source record |
| Dave Oliver | 1 | First positive recorded appearance: 1977 · Stockton, CA, USA | Source record |
| Dave Revering | 1 | First positive recorded appearance: 1978 · Roseville, CA, USA | Source record |
| Dave Righetti | 1 | First positive recorded appearance: 1979 · San Jose, CA, USA | Source record |
| Dave Rohde | 1 | First positive recorded appearance: 1990 · Los Altos, CA, USA | Source record |
| Dave Rucker | 1 | First positive recorded appearance: 1981 · San Bernardino, CA, USA | Source record |
| Dave Sax | 1 | First positive recorded appearance: 1982 · Sacramento, CA, USA | Source record |
| Dave Sells | 1 | First positive recorded appearance: 1972 · Vacaville, CA, USA | Source record |
| Dave Skaggs | 1 | First positive recorded appearance: 1977 · Santa Monica, CA, USA | Source record |
| Dave Smith | 1 | First positive recorded appearance: 1980 · Richmond, CA, USA | Source record |
| Dave Stegman | 1 | First positive recorded appearance: 1978 · Inglewood, CA, USA | Source record |
| Dave Stevens | 1 | First positive recorded appearance: 1994 · Fullerton, CA, USA | Source record |
| Dave Stewart | 1 | First positive recorded appearance: 1978 · Oakland, CA, USA | Source record |
| Dave Stieb | 1 | First positive recorded appearance: 1979 · Santa Ana, CA, USA | Source record |
| Dave Van Gorder | 1 | First positive recorded appearance: 1982 · Los Angeles, CA, USA | Source record |
| David Bañuelos | 1 | First positive recorded appearance: 2024 · Ontario, CA, USA | Source record |
| David Cooper | 1 | First positive recorded appearance: 2011 · Stockton, CA, USA | Source record |
| David Fletcher | 1 | First positive recorded appearance: 2018 · Orange, CA, USA | Source record |
| David Freitas | 1 | First positive recorded appearance: 2017 · Wilton, CA, USA | Source record |
| David Hensley | 1 | First positive recorded appearance: 2022 · San Diego, CA, USA | Source record |
| David Hernandez | 1 | First positive recorded appearance: 2009 · Sacramento, CA, USA | Source record |
| David Huff | 1 | First positive recorded appearance: 2009 · San Diego, CA, USA | Source record |
| David Lamb | 1 | First positive recorded appearance: 1999 · West Hills, CA, USA | Source record |
| David Moraga | 1 | First positive recorded appearance: 2000 · Torrance, CA, USA | Source record |
| David Morgan | 1 | First positive recorded appearance: 2025 · Mission Viejo, CA, USA | Source record |
| David Newhan | 1 | First positive recorded appearance: 1999 · Fullerton, CA, USA | Source record |
| David Washington | 1 | First positive recorded appearance: 2017 · San Diego, CA, USA | Source record |
| David Wells | 1 | First positive recorded appearance: 1987 · Torrance, CA, USA | Source record |
| Davis Wendzel | 1 | First positive recorded appearance: 2024 · Irvine, CA, USA | Source record |
| Dean Hartgraves | 1 | First positive recorded appearance: 1995 · Bakersfield, CA, USA | Source record |
| Dean Kremer | 1 | First positive recorded appearance: 2020 · Stockton, CA, USA | Source record |
| Del Crandall | 1 | First positive recorded appearance: 1949 · Ontario, CA, USA | Source record |
| Delwyn Young | 1 | First positive recorded appearance: 2006 · Los Angeles, CA, USA | Source record |
| Dennis Bennett | 1 | First positive recorded appearance: 1962 · Oakland, CA, USA | Source record |
| Dennis Burtt | 1 | First positive recorded appearance: 1985 · San Diego, CA, USA | Source record |
| Dennis Eckersley | 1 | First positive recorded appearance: 1975 · Oakland, CA, USA | Source record |
| Dennis Lamp | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| Dennis Littlejohn | 1 | First positive recorded appearance: 1978 · Santa Monica, CA, USA | Source record |
| Dennis Moeller | 1 | First positive recorded appearance: 1992 · Tarzana, CA, USA | Source record |
| Dennis Paepke | 1 | First positive recorded appearance: 1969 · Long Beach, CA, USA | Source record |
| Dennis Rasmussen | 1 | First positive recorded appearance: 1983 · Los Angeles, CA, USA | Source record |
| Dennis Saunders | 1 | First positive recorded appearance: 1970 · Alhambra, CA, USA | Source record |
| Dennis Springer | 1 | First positive recorded appearance: 1995 · Fresno, CA, USA | Source record |
| Denny Hocking | 1 | First positive recorded appearance: 1993 · Torrance, CA, USA | Source record |
| Denny Lemaster | 1 | First positive recorded appearance: 1962 · Corona, CA, USA | Source record |
| Derek Botelho | 1 | First positive recorded appearance: 1982 · Long Beach, CA, USA | Source record |
| Derek Parks | 1 | First positive recorded appearance: 1992 · Covina, CA, USA | Source record |
| Derek Wallace | 1 | First positive recorded appearance: 1996 · Van Nuys, CA, USA | Source record |
| Deron Johnson | 1 | First positive recorded appearance: 1960 · San Diego, CA, USA | Source record |
| Derrek Lee | 1 | First positive recorded appearance: 1997 · Sacramento, CA, USA | Source record |
| Derrel Thomas | 1 | First positive recorded appearance: 1971 · Los Angeles, CA, USA | Source record |
| Derrick White | 1 | First positive recorded appearance: 1993 · San Rafael, CA, USA | Source record |
| Derrin Ebert | 1 | First positive recorded appearance: 1999 · Anaheim, CA, USA | Source record |
| DeWayne Buice | 1 | First positive recorded appearance: 1987 · Lynwood, CA, USA | Source record |
| Dick Adams | 1 | First positive recorded appearance: 1947 · Tuolumne, CA, USA | Source record |
| Dick Baney | 1 | First positive recorded appearance: 1969 · Fullerton, CA, USA | Source record |
| Dick Barone | 1 | First positive recorded appearance: 1960 · San Jose, CA, USA | Source record |
| Dick Calmus | 1 | First positive recorded appearance: 1963 · Los Angeles, CA, USA | Source record |
| Dick Cole | 1 | First positive recorded appearance: 1951 · Long Beach, CA, USA | Source record |
| Dick Conger | 1 | First positive recorded appearance: 1940 · Los Angeles, CA, USA | Source record |
| Dick Cox | 1 | First positive recorded appearance: 1925 · Pasadena, CA, USA | Source record |
| Dick Davis | 1 | First positive recorded appearance: 1977 · Long Beach, CA, USA | Source record |
| Dick Egan | 1 | First positive recorded appearance: 1963 · Berkeley, CA, USA | Source record |
| Dick Gyselman | 1 | First positive recorded appearance: 1933 · San Francisco, CA, USA | Source record |
| Dick Nen | 1 | First positive recorded appearance: 1963 · South Gate, CA, USA | Source record |
| Dick Nold | 1 | First positive recorded appearance: 1967 · San Francisco, CA, USA | Source record |
| Dick Rand | 1 | First positive recorded appearance: 1953 · South Gate, CA, USA | Source record |
| Dick Ruthven | 1 | First positive recorded appearance: 1973 · Sacramento, CA, USA | Source record |
| Dick Selma | 1 | First positive recorded appearance: 1965 · Santa Ana, CA, USA | Source record |
| Dick Sharon | 1 | First positive recorded appearance: 1973 · San Mateo, CA, USA | Source record |
| Dick Stuart | 1 | First positive recorded appearance: 1958 · San Francisco, CA, USA | Source record |
| Dick Tidrow | 1 | First positive recorded appearance: 1972 · San Francisco, CA, USA | Source record |
| Dick Wantz | 1 | First positive recorded appearance: 1965 · South Gate, CA, USA | Source record |
| Dillon Tate | 1 | First positive recorded appearance: 2019 · Harbor City, CA, USA | Source record |
| Dink O'Brien | 1 | First positive recorded appearance: 1923 · San Francisco, CA, USA | Source record |
| DJ LeMahieu | 1 | First positive recorded appearance: 2011 · Visalia, CA, USA | Source record |
| DJ Peters | 1 | First positive recorded appearance: 2021 · Glendora, CA, USA | Source record |
| Doc Moskiman | 1 | First positive recorded appearance: 1910 · Oakland, CA, USA | Source record |
| Dock Ellis | 1 | First positive recorded appearance: 1968 · Los Angeles, CA, USA | Source record |
| Dolph Camilli | 1 | First positive recorded appearance: 1933 · San Francisco, CA, USA | Source record |
| Dom DiMaggio | 1 | First positive recorded appearance: 1940 · San Francisco, CA, USA | Source record |
| Dom Nunez | 1 | First positive recorded appearance: 2019 · Elk Grove, CA, USA | Source record |
| Dominic Fletcher | 1 | First positive recorded appearance: 2023 · Orange, CA, USA | Source record |
| Dominic Smith | 1 | First positive recorded appearance: 2017 · Los Angeles, CA, USA | Source record |
| Don Aase | 1 | First positive recorded appearance: 1977 · Orange, CA, USA | Source record |
| Don August | 1 | First positive recorded appearance: 1988 · Inglewood, CA, USA | Source record |
| Don Bosch | 1 | First positive recorded appearance: 1966 · San Francisco, CA, USA | Source record |
| Don Carrithers | 1 | First positive recorded appearance: 1970 · Lynwood, CA, USA | Source record |
| Don Drysdale | 1 | First positive recorded appearance: 1956 · Van Nuys, CA, USA | Source record |
| Don Ferrarese | 1 | First positive recorded appearance: 1955 · Oakland, CA, USA | Source record |
| Don Gile | 1 | First positive recorded appearance: 1959 · Modesto, CA, USA | Source record |
| Don Hahn | 1 | First positive recorded appearance: 1969 · San Francisco, CA, USA | Source record |
| Don Landrum | 1 | First positive recorded appearance: 1957 · Santa Rosa, CA, USA | Source record |
| Don Lang | 1 | First positive recorded appearance: 1938 · Selma, CA, USA | Source record |
| Don Mossi | 1 | First positive recorded appearance: 1954 · St. Helena, CA, USA | Source record |
| Don Rose | 1 | First positive recorded appearance: 1971 · Covina, CA, USA | Source record |
| Don Ross | 1 | First positive recorded appearance: 1938 · Pasadena, CA, USA | Source record |
| Don Rowe | 1 | First positive recorded appearance: 1963 · Brawley, CA, USA | Source record |
| Don Slaught | 1 | First positive recorded appearance: 1982 · Long Beach, CA, USA | Source record |
| Don Williams | 1 | First positive recorded appearance: 1963 · Los Angeles, CA, USA | Source record |
| Donald Troy | 1 | First positive recorded appearance: 1944 · Los Angeles, CA, USA | Source record |
| Donnie Hill | 1 | First positive recorded appearance: 1983 · Pomona, CA, USA | Source record |
| Donnie Murphy | 1 | First positive recorded appearance: 2004 · Lakewood, CA, USA | Source record |
| Donny Lucy | 1 | First positive recorded appearance: 2007 · Escondido, CA, USA | Source record |
| Donovan Osborne | 1 | First positive recorded appearance: 1992 · Roseville, CA, USA | Source record |
| Dontrelle Willis | 1 | First positive recorded appearance: 2003 · Oakland, CA, USA | Source record |
| Donzell McDonald | 1 | First positive recorded appearance: 2001 · Long Beach, CA, USA | Source record |
| Doug Baker | 1 | First positive recorded appearance: 1984 · Fullerton, CA, USA | Source record |
| Doug Bernier | 1 | First positive recorded appearance: 2008 · Santa Maria, CA, USA | Source record |
| Doug Bird | 1 | First positive recorded appearance: 1973 · Corona, CA, USA | Source record |
| Doug Clarey | 1 | First positive recorded appearance: 1976 · Los Angeles, CA, USA | Source record |
| Doug Davis | 1 | First positive recorded appearance: 1999 · Sacramento, CA, USA | Source record |
| Doug DeCinces | 1 | First positive recorded appearance: 1973 · Burbank, CA, USA | Source record |
| Doug Fister | 1 | First positive recorded appearance: 2009 · Merced, CA, USA | Source record |
| Doug Griffin | 1 | First positive recorded appearance: 1970 · South Gate, CA, USA | Source record |
| Doug Hansen | 1 | First positive recorded appearance: 1951 · Los Angeles, CA, USA | Source record |
| Doug Henry | 1 | First positive recorded appearance: 1991 · Sacramento, CA, USA | Source record |
| Doug Jones | 1 | First positive recorded appearance: 1982 · Covina, CA, USA | Source record |
| Doug Linton | 1 | First positive recorded appearance: 1992 · Santa Ana, CA, USA | Source record |
| Doug Loman | 1 | First positive recorded appearance: 1984 · Bakersfield, CA, USA | Source record |
| Doug Nickle | 1 | First positive recorded appearance: 2000 · Sonoma, CA, USA | Source record |
| Doug Saunders | 1 | First positive recorded appearance: 1993 · Yorba Linda, CA, USA | Source record |
| Doug Simons | 1 | First positive recorded appearance: 1991 · Bakersfield, CA, USA | Source record |
| Doug Slaten | 1 | First positive recorded appearance: 2006 · Venice, CA, USA | Source record |
| Drew Gagnon | 1 | First positive recorded appearance: 2018 · Columbia, CA, USA | Source record |
| Drew Henson | 1 | First positive recorded appearance: 2002 · San Diego, CA, USA | Source record |
| Drew Jackson | 1 | First positive recorded appearance: 2019 · Berkeley, CA, USA | Source record |
| Drew Macias | 1 | First positive recorded appearance: 2007 · Fontana, CA, USA | Source record |
| Drew Romo | 1 | First positive recorded appearance: 2024 · Fountain Valley, CA, USA | Source record |
| Drummond Brown | 1 | First positive recorded appearance: 1913 · Los Angeles, CA, USA | Source record |
| Duffy Lewis | 1 | First positive recorded appearance: 1910 · San Francisco, CA, USA | Source record |
| Duke Snider | 1 | First positive recorded appearance: 1947 · Los Angeles, CA, USA | Source record |
| Duster Mails | 1 | First positive recorded appearance: 1915 · San Quentin, CA, USA | Source record |
| Dustin Garneau | 1 | First positive recorded appearance: 2015 · Torrance, CA, USA | Source record |
| Dustin Pedroia | 1 | First positive recorded appearance: 2006 · Woodland, CA, USA | Source record |
| Dusty Baker | 1 | First positive recorded appearance: 1968 · Riverside, CA, USA | Source record |
| Dusty Brown | 1 | First positive recorded appearance: 2009 · Orange, CA, USA | Source record |
| Dusty Ryan | 1 | First positive recorded appearance: 2008 · Merced, CA, USA | Source record |
| Dutch Hinrichs | 1 | First positive recorded appearance: 1910 · Orange, CA, USA | Source record |
| Dutch Lieber | 1 | First positive recorded appearance: 1935 · Alameda, CA, USA | Source record |
| Dutch Ruether | 1 | First positive recorded appearance: 1917 · Alameda, CA, USA | Source record |
| Dwain Anderson | 1 | First positive recorded appearance: 1971 · Oakland, CA, USA | Source record |
| Dwayne Murphy | 1 | First positive recorded appearance: 1978 · Merced, CA, USA | Source record |
| Dwight Evans | 1 | First positive recorded appearance: 1972 · Santa Monica, CA, USA | Source record |
| Dwight Taylor | 1 | First positive recorded appearance: 1986 · Los Angeles, CA, USA | Source record |
| Dylan Axelrod | 1 | First positive recorded appearance: 2011 · Santa Barbara, CA, USA | Source record |
| Dylan Beavers | 1 | First positive recorded appearance: 2025 · San Luis Obispo, CA, USA | Source record |
| Dylan Carlson | 1 | First positive recorded appearance: 2020 · Elk Grove, CA, USA | Source record |
| Dylan Covey | 1 | First positive recorded appearance: 2017 · Glendale, CA, USA | Source record |
| Dylan Floro | 1 | First positive recorded appearance: 2016 · Merced, CA, USA | Source record |
| Dylan Lee | 1 | First positive recorded appearance: 2021 · Dinuba, CA, USA | Source record |
| Dylan Moore | 1 | First positive recorded appearance: 2019 · Newport Beach, CA, USA | Source record |
| Earl Battey | 1 | First positive recorded appearance: 1955 · Los Angeles, CA, USA | Source record |
| Earl Jones | 1 | First positive recorded appearance: 1945 · Fresno, CA, USA | Source record |
| Earl Kunz | 1 | First positive recorded appearance: 1923 · Sacramento, CA, USA | Source record |
| Earl McNeely | 1 | First positive recorded appearance: 1924 · Sacramento, CA, USA | Source record |
| Earle Brucker | 1 | First positive recorded appearance: 1948 · Los Angeles, CA, USA | Source record |
| Easton Lucas | 1 | First positive recorded appearance: 2023 · Thousand Oaks, CA, USA | Source record |
| Ed Amelung | 1 | First positive recorded appearance: 1984 · Fullerton, CA, USA | Source record |
| Ed Burns | 1 | First positive recorded appearance: 1912 · San Francisco, CA, USA | Source record |
| Ed Crosby | 1 | First positive recorded appearance: 1970 · Long Beach, CA, USA | Source record |
| Ed Fernandes | 1 | First positive recorded appearance: 1940 · Oakland, CA, USA | Source record |
| Ed FitzGerald | 1 | First positive recorded appearance: 1948 · Santa Ynez, CA, USA | Source record |
| Ed Giovanola | 1 | First positive recorded appearance: 1995 · Los Gatos, CA, USA | Source record |
| Ed Hallinan | 1 | First positive recorded appearance: 1911 · San Francisco, CA, USA | Source record |
| Ed Hearne | 1 | First positive recorded appearance: 1910 · Ventura, CA, USA | Source record |
| Ed Herrmann | 1 | First positive recorded appearance: 1967 · San Diego, CA, USA | Source record |
| Ed Hodge | 1 | First positive recorded appearance: 1984 · Bellflower, CA, USA | Source record |
| Ed Jurak | 1 | First positive recorded appearance: 1982 · Hollywood, CA, USA | Source record |
| Ed Mayer | 1 | First positive recorded appearance: 1957 · San Francisco, CA, USA | Source record |
| Ed Montague | 1 | First positive recorded appearance: 1928 · San Francisco, CA, USA | Source record |
| Ed Palmquist | 1 | First positive recorded appearance: 1960 · Los Angeles, CA, USA | Source record |
| Ed Pierce | 1 | First positive recorded appearance: 1992 · Arcadia, CA, USA | Source record |
| Ed Putman | 1 | First positive recorded appearance: 1976 · Los Angeles, CA, USA | Source record |
| Ed Samcoff | 1 | First positive recorded appearance: 1951 · Sacramento, CA, USA | Source record |
| Ed Sprague | 1 | First positive recorded appearance: 1991 · Castro Valley, CA, USA | Source record |
| Ed Sukla | 1 | First positive recorded appearance: 1964 · Long Beach, CA, USA | Source record |
| Ed Vande Berg | 1 | First positive recorded appearance: 1982 · Redlands, CA, USA | Source record |
| Ed Wheeler | 1 | First positive recorded appearance: 1945 · Los Angeles, CA, USA | Source record |
| Ed Wolfe | 1 | First positive recorded appearance: 1952 · Los Angeles, CA, USA | Source record |
| Eddie Bockman | 1 | First positive recorded appearance: 1946 · Santa Ana, CA, USA | Source record |
| Eddie Bressoud | 1 | First positive recorded appearance: 1956 · Los Angeles, CA, USA | Source record |
| Eddie Gamboa | 1 | First positive recorded appearance: 2016 · Merced, CA, USA | Source record |
| Eddie Guardado | 1 | First positive recorded appearance: 1993 · Stockton, CA, USA | Source record |
| Eddie Joost | 1 | First positive recorded appearance: 1936 · San Francisco, CA, USA | Source record |
| Eddie Kearse | 1 | First positive recorded appearance: 1942 · San Francisco, CA, USA | Source record |
| Eddie Kenna | 1 | First positive recorded appearance: 1928 · San Francisco, CA, USA | Source record |
| Eddie Lake | 1 | First positive recorded appearance: 1939 · Antioch, CA, USA | Source record |
| Eddie McGah | 1 | First positive recorded appearance: 1946 · Oakland, CA, USA | Source record |
| Eddie Miller | 1 | First positive recorded appearance: 1977 · San Pablo, CA, USA | Source record |
| Eddie Murray | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| Eddie Zosky | 1 | First positive recorded appearance: 1991 · Whittier, CA, USA | Source record |
| Edgar Gonzalez | 1 | First positive recorded appearance: 2008 · San Diego, CA, USA | Source record |
| Edgar Olmos | 1 | First positive recorded appearance: 2013 · Van Nuys, CA, USA | Source record |
| Edgar Washington | 1 | First positive recorded appearance: 1920 · Los Angeles, CA, USA | Source record |
| Eli Morgan | 1 | First positive recorded appearance: 2021 · Rancho Palos Verdes, CA, USA | Source record |
| Eli Villalobos | 1 | First positive recorded appearance: 2024 · La Habra, CA, USA | Source record |
| Ellis Burton | 1 | First positive recorded appearance: 1958 · Los Angeles, CA, USA | Source record |
| Elmer Leonard | 1 | First positive recorded appearance: 1911 · Napa, CA, USA | Source record |
| Elmer Pence | 1 | First positive recorded appearance: 1922 · Valley Springs, CA, USA | Source record |
| Elmer Rieger | 1 | First positive recorded appearance: 1910 · Perris, CA, USA | Source record |
| Emil Mailho | 1 | First positive recorded appearance: 1936 · Berkeley, CA, USA | Source record |
| Emmett O'Neill | 1 | First positive recorded appearance: 1943 · San Mateo, CA, USA | Source record |
| Erasmo Ramirez | 1 | First positive recorded appearance: 2003 · Santa Ana, CA, USA | Source record |
| Eric Anthony | 1 | First positive recorded appearance: 1989 · San Diego, CA, USA | Source record |
| Eric Bell | 1 | First positive recorded appearance: 1985 · Modesto, CA, USA | Source record |
| Eric Bullock | 1 | First positive recorded appearance: 1985 · Los Angeles, CA, USA | Source record |
| Eric Byrnes | 1 | First positive recorded appearance: 2000 · Redwood City, CA, USA | Source record |
| Eric Chavez | 1 | First positive recorded appearance: 1998 · Los Angeles, CA, USA | Source record |
| Eric Davis | 1 | First positive recorded appearance: 1984 · Los Angeles, CA, USA | Source record |
| Eric Farris | 1 | First positive recorded appearance: 2011 · Sacramento, CA, USA | Source record |
| Eric Fox | 1 | First positive recorded appearance: 1992 · Lemoore, CA, USA | Source record |
| Eric King | 1 | First positive recorded appearance: 1986 · Oxnard, CA, USA | Source record |
| Eric Munson | 1 | First positive recorded appearance: 2000 · San Diego, CA, USA | Source record |
| Eric Nolte | 1 | First positive recorded appearance: 1987 · Canoga Park, CA, USA | Source record |
| Eric Plunk | 1 | First positive recorded appearance: 1986 · Wilmington, CA, USA | Source record |
| Eric Show | 1 | First positive recorded appearance: 1981 · Riverside, CA, USA | Source record |
| Eric Thames | 1 | First positive recorded appearance: 2011 · Santa Clara, CA, USA | Source record |
| Eric Valent | 1 | First positive recorded appearance: 2001 · La Mirada, CA, USA | Source record |
| Eric Wagaman | 1 | First positive recorded appearance: 2024 · Mission Viejo, CA, USA | Source record |
| Eric Yang | 1 | First positive recorded appearance: 2024 · Woodland Hills, CA, USA | Source record |
| Erick Threets | 1 | First positive recorded appearance: 2007 · Hayward, CA, USA | Source record |
| Erik Bennett | 1 | First positive recorded appearance: 1995 · Yreka, CA, USA | Source record |
| Erik Davis | 1 | First positive recorded appearance: 2013 · San Jose, CA, USA | Source record |
| Erik Goeddel | 1 | First positive recorded appearance: 2014 · San Mateo, CA, USA | Source record |
| Erik Hamren | 1 | First positive recorded appearance: 2011 · Coto de Caza, CA, USA | Source record |
| Erik Hiljus | 1 | First positive recorded appearance: 1999 · Panorama City, CA, USA | Source record |
| Erik Johnson | 1 | First positive recorded appearance: 1993 · Oakland, CA, USA | Source record |
| Erik Johnson | 1 | First positive recorded appearance: 2013 · Mountain View, CA, USA | Source record |
| Erik Komatsu | 1 | First positive recorded appearance: 2012 · Camarillo, CA, USA | Source record |
| Erik Schullstrom | 1 | First positive recorded appearance: 1994 · San Diego, CA, USA | Source record |
| Ernest Vache | 1 | First positive recorded appearance: 1925 · Santa Monica, CA, USA | Source record |
| Ernie Broglio | 1 | First positive recorded appearance: 1959 · Berkeley, CA, USA | Source record |
| Ernie Camacho | 1 | First positive recorded appearance: 1980 · Salinas, CA, USA | Source record |
| Ernie Fazio | 1 | First positive recorded appearance: 1962 · Oakland, CA, USA | Source record |
| Ernie Lombardi | 1 | First positive recorded appearance: 1931 · Oakland, CA, USA | Source record |
| Ernie Orsatti | 1 | First positive recorded appearance: 1927 · Los Angeles, CA, USA | Source record |
| Ernie Sulik | 1 | First positive recorded appearance: 1936 · San Francisco, CA, USA | Source record |
| Erv Kantlehner | 1 | First positive recorded appearance: 1914 · San Jose, CA, USA | Source record |
| Erv Palica | 1 | First positive recorded appearance: 1945 · Lomita, CA, USA | Source record |
| Evan Longoria | 1 | First positive recorded appearance: 2008 · Downey, CA, USA | Source record |
| Evan MacLane | 1 | First positive recorded appearance: 2010 · Chico, CA, USA | Source record |
| Evan Marshall | 1 | First positive recorded appearance: 2014 · Sunnyvale, CA, USA | Source record |
| Evan Reed | 1 | First positive recorded appearance: 2013 · Santa Maria, CA, USA | Source record |
| Ewell Blackwell | 1 | First positive recorded appearance: 1942 · Fresno, CA, USA | Source record |
| Fenton Mole | 1 | First positive recorded appearance: 1949 · San Leandro, CA, USA | Source record |
| Fernando Arroyo | 1 | First positive recorded appearance: 1975 · Sacramento, CA, USA | Source record |
| Fernando Cortez | 1 | First positive recorded appearance: 2005 · Stockton, CA, USA | Source record |
| Fernando Vina | 1 | First positive recorded appearance: 1993 · Sacramento, CA, USA | Source record |
| Fran Mullins | 1 | First positive recorded appearance: 1980 · Oakland, CA, USA | Source record |
| Frank Arellanes | 1 | First positive recorded appearance: 1908 · Santa Cruz, CA, USA | Source record |
| Frank Bertaina | 1 | First positive recorded appearance: 1964 · San Francisco, CA, USA | Source record |
| Frank Chance | 1 | First positive recorded appearance: 1898 · Fresno, CA, USA | Source record |
| Frank Charles | 1 | First positive recorded appearance: 2000 · Fontana, CA, USA | Source record |
| Frank Demaree | 1 | First positive recorded appearance: 1932 · Winters, CA, USA | Source record |
| Frank Duffy | 1 | First positive recorded appearance: 1970 · Oakland, CA, USA | Source record |
| Frank Ernaga | 1 | First positive recorded appearance: 1957 · Susanville, CA, USA | Source record |
| Frank Gabler | 1 | First positive recorded appearance: 1935 · East Highland, CA, USA | Source record |
| Frank Jelincich | 1 | First positive recorded appearance: 1941 · San Jose, CA, USA | Source record |
| Frank LaCorte | 1 | First positive recorded appearance: 1975 · San Jose, CA, USA | Source record |
| Frank Metha | 1 | First positive recorded appearance: 1940 · Los Angeles, CA, USA | Source record |
| Frank Ortenzio | 1 | First positive recorded appearance: 1973 · Fresno, CA, USA | Source record |
| Frank Pastore | 1 | First positive recorded appearance: 1979 · Alhambra, CA, USA | Source record |
| Frank Shannon | 1 | First positive recorded appearance: 1892 · San Francisco, CA, USA | Source record |
| Frank Sullivan | 1 | First positive recorded appearance: 1953 · Hollywood, CA, USA | Source record |
| Frank Zupo | 1 | First positive recorded appearance: 1957 · San Francisco, CA, USA | Source record |
| Frankie Crosetti | 1 | First positive recorded appearance: 1932 · San Francisco, CA, USA | Source record |
| Frankie Kelleher | 1 | First positive recorded appearance: 1942 · San Francisco, CA, USA | Source record |
| Fred Besana | 1 | First positive recorded appearance: 1956 · Lincoln, CA, USA | Source record |
| Fred Blanding | 1 | First positive recorded appearance: 1910 · Redlands, CA, USA | Source record |
| Fred Breining | 1 | First positive recorded appearance: 1980 · San Francisco, CA, USA | Source record |
| Fred Carroll | 1 | First positive recorded appearance: 1884 · Sacramento, CA, USA | Source record |
| Fred Kendall | 1 | First positive recorded appearance: 1969 · Torrance, CA, USA | Source record |
| Fred Snodgrass | 1 | First positive recorded appearance: 1908 · Ventura, CA, USA | Source record |
| Fred Vaughn | 1 | First positive recorded appearance: 1944 · Coalinga, CA, USA | Source record |
| Freddie Freeman | 1 | First positive recorded appearance: 2010 · Fountain Valley, CA, USA | Source record |
| Freddie Martinez | 1 | First positive recorded appearance: 1980 · Los Angeles, CA, USA | Source record |
| Freddie Muller | 1 | First positive recorded appearance: 1933 · Newark, CA, USA | Source record |
| Freddy Sanchez | 1 | First positive recorded appearance: 2002 · Hollywood, CA, USA | Source record |
| Frenchy Bordagaray | 1 | First positive recorded appearance: 1934 · Coalinga, CA, USA | Source record |
| Frenchy Uhalt | 1 | First positive recorded appearance: 1934 · Bakersfield, CA, USA | Source record |
| Fuller Thompson | 1 | First positive recorded appearance: 1911 · Los Angeles, CA, USA | Source record |
| Gabe Gonzalez | 1 | First positive recorded appearance: 1998 · Long Beach, CA, USA | Source record |
| Gabe Kapler | 1 | First positive recorded appearance: 1998 · Hollywood, CA, USA | Source record |
| Gabe Speier | 1 | First positive recorded appearance: 2019 · Santa Barbara, CA, USA | Source record |
| Garret Anderson | 1 | First positive recorded appearance: 1994 · Los Angeles, CA, USA | Source record |
| Garrett Atkins | 1 | First positive recorded appearance: 2003 · Orange, CA, USA | Source record |
| Garrett Hill | 1 | First positive recorded appearance: 2022 · Petaluma, CA, USA | Source record |
| Garrett Mitchell | 1 | First positive recorded appearance: 2022 · Orange, CA, USA | Source record |
| Garrett Olson | 1 | First positive recorded appearance: 2007 · Fresno, CA, USA | Source record |
| Garrett Richards | 1 | First positive recorded appearance: 2011 · Riverside, CA, USA | Source record |
| Garrett Stubbs | 1 | First positive recorded appearance: 2019 · San Diego, CA, USA | Source record |
| Garth Iorg | 1 | First positive recorded appearance: 1978 · Arcata, CA, USA | Source record |
| Gary Alexander | 1 | First positive recorded appearance: 1975 · Los Angeles, CA, USA | Source record |
| Gary Allenson | 1 | First positive recorded appearance: 1979 · Culver City, CA, USA | Source record |
| Gary Beare | 1 | First positive recorded appearance: 1976 · San Diego, CA, USA | Source record |
| Gary Boyd | 1 | First positive recorded appearance: 1969 · Pasadena, CA, USA | Source record |
| Gary Brown | 1 | First positive recorded appearance: 2014 · Diamond Bar, CA, USA | Source record |
| Gary Buckels | 1 | First positive recorded appearance: 1994 · La Mirada, CA, USA | Source record |
| Gary Carter | 1 | First positive recorded appearance: 1974 · Culver City, CA, USA | Source record |
| Gary Cooper | 1 | First positive recorded appearance: 1991 · Lynwood, CA, USA | Source record |
| Gary Holman | 1 | First positive recorded appearance: 1968 · Long Beach, CA, USA | Source record |
| Gary Johnson | 1 | First positive recorded appearance: 2003 · Palo Alto, CA, USA | Source record |
| Gary Jones | 1 | First positive recorded appearance: 1970 · Huntington Park, CA, USA | Source record |
| Gary Kroll | 1 | First positive recorded appearance: 1964 · Culver City, CA, USA | Source record |
| Gary Lucas | 1 | First positive recorded appearance: 1980 · Riverside, CA, USA | Source record |
| Gary Matthews | 1 | First positive recorded appearance: 1972 · San Fernando, CA, USA | Source record |
| Gary Matthews | 1 | First positive recorded appearance: 1999 · San Francisco, CA, USA | Source record |
| Gary Nolan | 1 | First positive recorded appearance: 1967 · Herlong, CA, USA | Source record |
| Gary Pettis | 1 | First positive recorded appearance: 1982 · Oakland, CA, USA | Source record |
| Gary Roenicke | 1 | First positive recorded appearance: 1976 · Covina, CA, USA | Source record |
| Gary Ryerson | 1 | First positive recorded appearance: 1972 · Los Angeles, CA, USA | Source record |
| Gary Sutherland | 1 | First positive recorded appearance: 1966 · Glendale, CA, USA | Source record |
| Gary Thomasson | 1 | First positive recorded appearance: 1972 · San Diego, CA, USA | Source record |
| Gary Ward | 1 | First positive recorded appearance: 1979 · Los Angeles, CA, USA | Source record |
| Gary Wheelock | 1 | First positive recorded appearance: 1976 · Bakersfield, CA, USA | Source record |
| Gary Wilson | 1 | First positive recorded appearance: 1995 · Arcata, CA, USA | Source record |
| Gary Woods | 1 | First positive recorded appearance: 1976 · Santa Barbara, CA, USA | Source record |
| Gavvy Cravath | 1 | First positive recorded appearance: 1908 · Poway, CA, USA | Source record |
| Gene Clines | 1 | First positive recorded appearance: 1970 · San Pablo, CA, USA | Source record |
| Gene Green | 1 | First positive recorded appearance: 1957 · Los Angeles, CA, USA | Source record |
| Gene Hayden | 1 | First positive recorded appearance: 1958 · San Francisco, CA, USA | Source record |
| Gene Leek | 1 | First positive recorded appearance: 1959 · San Diego, CA, USA | Source record |
| Gene Lillard | 1 | First positive recorded appearance: 1936 · Santa Barbara, CA, USA | Source record |
| Gene Richardson | 1 | First positive recorded appearance: 1947 · San Diego, CA, USA | Source record |
| Gene Stone | 1 | First positive recorded appearance: 1969 · Burbank, CA, USA | Source record |
| Geno Petralli | 1 | First positive recorded appearance: 1982 · Sacramento, CA, USA | Source record |
| Geoff Blum | 1 | First positive recorded appearance: 1999 · Redwood City, CA, USA | Source record |
| George Bjorkman | 1 | First positive recorded appearance: 1983 · Ontario, CA, USA | Source record |
| George Blaeholder | 1 | First positive recorded appearance: 1925 · Orange, CA, USA | Source record |
| George Borchers | 1 | First positive recorded appearance: 1888 · Sacramento, CA, USA | Source record |
| George Caster | 1 | First positive recorded appearance: 1934 · Colton, CA, USA | Source record |
| George Culver | 1 | First positive recorded appearance: 1966 · Salinas, CA, USA | Source record |
| George Ellison | 1 | First positive recorded appearance: 1920 · San Francisco, CA, USA | Source record |
| George Hendrick | 1 | First positive recorded appearance: 1971 · Los Angeles, CA, USA | Source record |
| George Hildebrand | 1 | First positive recorded appearance: 1902 · San Francisco, CA, USA | Source record |
| George Hinshaw | 1 | First positive recorded appearance: 1982 · Los Angeles, CA, USA | Source record |
| George Kelly | 1 | First positive recorded appearance: 1915 · San Francisco, CA, USA | Source record |
| George Metkovich | 1 | First positive recorded appearance: 1943 · Angel's Camp, CA, USA | Source record |
| George Mitterwald | 1 | First positive recorded appearance: 1966 · Berkeley, CA, USA | Source record |
| George Perez | 1 | First positive recorded appearance: 1958 · San Fernando, CA, USA | Source record |
| George Puccinelli | 1 | First positive recorded appearance: 1930 · San Francisco, CA, USA | Source record |
| George Quellich | 1 | First positive recorded appearance: 1931 · Johnsville, CA, USA | Source record |
| George Ross | 1 | First positive recorded appearance: 1918 · San Rafael, CA, USA | Source record |
| George Stablein | 1 | First positive recorded appearance: 1980 · Inglewood, CA, USA | Source record |
| George Throop | 1 | First positive recorded appearance: 1975 · Pasadena, CA, USA | Source record |
| George Tsamis | 1 | First positive recorded appearance: 1993 · Campbell, CA, USA | Source record |
| Gerald Laird | 1 | First positive recorded appearance: 2003 · Westminster, CA, USA | Source record |
| Gerrit Cole | 1 | First positive recorded appearance: 2013 · Newport Beach, CA, USA | Source record |
| Gerry Janeski | 1 | First positive recorded appearance: 1970 · Pasadena, CA, USA | Source record |
| Giancarlo Stanton | 1 | First positive recorded appearance: 2010 · Panorama City, CA, USA | Source record |
| Gil McDougald | 1 | First positive recorded appearance: 1951 · San Francisco, CA, USA | Source record |
| Gil Velazquez | 1 | First positive recorded appearance: 2008 · Los Angeles, CA, USA | Source record |
| Gino Cimoli | 1 | First positive recorded appearance: 1956 · San Francisco, CA, USA | Source record |
| Glenallen Hill | 1 | First positive recorded appearance: 1989 · Santa Cruz, CA, USA | Source record |
| Glenn Braggs | 1 | First positive recorded appearance: 1986 · San Bernardino, CA, USA | Source record |
| Glenn Burke | 1 | First positive recorded appearance: 1976 · Oakland, CA, USA | Source record |
| Glenn Cox | 1 | First positive recorded appearance: 1955 · Montebello, CA, USA | Source record |
| Glenn Hoffman | 1 | First positive recorded appearance: 1980 · Orange, CA, USA | Source record |
| Glenn Mickens | 1 | First positive recorded appearance: 1953 · Wilmar, CA, USA | Source record |
| Glenn Vaughan | 1 | First positive recorded appearance: 1963 · Compton, CA, USA | Source record |
| Gordon Dillard | 1 | First positive recorded appearance: 1988 · Salinas, CA, USA | Source record |
| Gordon Goldsberry | 1 | First positive recorded appearance: 1949 · Sacramento, CA, USA | Source record |
| Gordon Seyfried | 1 | First positive recorded appearance: 1963 · Long Beach, CA, USA | Source record |
| Gorman Heimueller | 1 | First positive recorded appearance: 1983 · Los Angeles, CA, USA | Source record |
| Gosuke Katoh | 1 | First positive recorded appearance: 2022 · Poway, CA, USA | Source record |
| Graham Koonce | 1 | First positive recorded appearance: 2003 · El Cajon, CA, USA | Source record |
| Graig Nettles | 1 | First positive recorded appearance: 1967 · San Diego, CA, USA | Source record |
| Grant Dunlap | 1 | First positive recorded appearance: 1953 · Stockton, CA, USA | Source record |
| Grant Green | 1 | First positive recorded appearance: 2013 · Fullerton, CA, USA | Source record |
| Grant Roberts | 1 | First positive recorded appearance: 2000 · El Cajon, CA, USA | Source record |
| Greg Allen | 1 | First positive recorded appearance: 2017 · San Diego, CA, USA | Source record |
| Greg Bargar | 1 | First positive recorded appearance: 1983 · Inglewood, CA, USA | Source record |
| Greg Colbrunn | 1 | First positive recorded appearance: 1992 · Fontana, CA, USA | Source record |
| Greg Dobbs | 1 | First positive recorded appearance: 2004 · Los Angeles, CA, USA | Source record |
| Greg Garcia | 1 | First positive recorded appearance: 2014 · El Cajon, CA, USA | Source record |
| Greg Garrett | 1 | First positive recorded appearance: 1970 · Atascadero, CA, USA | Source record |
| Greg Gohr | 1 | First positive recorded appearance: 1993 · Santa Clara, CA, USA | Source record |
| Greg Goossen | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Greg Hansell | 1 | First positive recorded appearance: 1995 · Bellflower, CA, USA | Source record |
| Greg Harris | 1 | First positive recorded appearance: 1981 · Lynwood, CA, USA | Source record |
| Greg Heydeman | 1 | First positive recorded appearance: 1973 · Carmel, CA, USA | Source record |
| Greg Johnston | 1 | First positive recorded appearance: 1979 · Los Angeles, CA, USA | Source record |
| Greg Legg | 1 | First positive recorded appearance: 1986 · San Jose, CA, USA | Source record |
| Greg Mahle | 1 | First positive recorded appearance: 2016 · Los Alamitos, CA, USA | Source record |
| Greg Mathews | 1 | First positive recorded appearance: 1986 · Harbor City, CA, USA | Source record |
| Greg Myers | 1 | First positive recorded appearance: 1987 · Riverside, CA, USA | Source record |
| Greg Norton | 1 | First positive recorded appearance: 1996 · San Leandro, CA, USA | Source record |
| Greg Pirkl | 1 | First positive recorded appearance: 1993 · Long Beach, CA, USA | Source record |
| Greg Reynolds | 1 | First positive recorded appearance: 2008 · Pacifica, CA, USA | Source record |
| Greg Shanahan | 1 | First positive recorded appearance: 1973 · Eureka, CA, USA | Source record |
| Greg Sims | 1 | First positive recorded appearance: 1966 · San Francisco, CA, USA | Source record |
| Greg Tabor | 1 | First positive recorded appearance: 1987 · Castro Valley, CA, USA | Source record |
| Greg Terlecky | 1 | First positive recorded appearance: 1975 · Culver City, CA, USA | Source record |
| Greg Vaughn | 1 | First positive recorded appearance: 1989 · Sacramento, CA, USA | Source record |
| Gregg Jefferies | 1 | First positive recorded appearance: 1987 · Burlingame, CA, USA | Source record |
| Gregg Zaun | 1 | First positive recorded appearance: 1995 · Glendale, CA, USA | Source record |
| Griffin Canning | 1 | First positive recorded appearance: 2019 · Mission Viejo, CA, USA | Source record |
| Guido Knudson | 1 | First positive recorded appearance: 2015 · San Diego, CA, USA | Source record |
| Gus Suhr | 1 | First positive recorded appearance: 1930 · San Francisco, CA, USA | Source record |
| Gus Triandos | 1 | First positive recorded appearance: 1953 · San Francisco, CA, USA | Source record |
| Hagen Danner | 1 | First positive recorded appearance: 2023 · Newport Beach, CA, USA | Source record |
| Hal Chase | 1 | First positive recorded appearance: 1905 · Los Gatos, CA, USA | Source record |
| Hal Gilson | 1 | First positive recorded appearance: 1968 · Los Angeles, CA, USA | Source record |
| Hal Gregg | 1 | First positive recorded appearance: 1943 · Anaheim, CA, USA | Source record |
| Hal Leathers | 1 | First positive recorded appearance: 1920 · Selma, CA, USA | Source record |
| Hal Rhyne | 1 | First positive recorded appearance: 1926 · Paso Robles, CA, USA | Source record |
| Ham Iburg | 1 | First positive recorded appearance: 1902 · San Francisco, CA, USA | Source record |
| Hank Aguirre | 1 | First positive recorded appearance: 1955 · Azusa, CA, USA | Source record |
| Hank Blalock | 1 | First positive recorded appearance: 2002 · San Diego, CA, USA | Source record |
| Hank McDonald | 1 | First positive recorded appearance: 1931 · Santa Monica, CA, USA | Source record |
| Hank Patterson | 1 | First positive recorded appearance: 1932 · San Francisco, CA, USA | Source record |
| Hank Steinbacher | 1 | First positive recorded appearance: 1937 · Sacramento, CA, USA | Source record |
| Hank Workman | 1 | First positive recorded appearance: 1950 · Los Angeles, CA, USA | Source record |
| Hans Crouse | 1 | First positive recorded appearance: 2021 · Dana Point, CA, USA | Source record |
| Hap Myers | 1 | First positive recorded appearance: 1910 · San Francisco, CA, USA | Source record |
| Hardin Barry | 1 | First positive recorded appearance: 1912 · Susanville, CA, USA | Source record |
| Harl Maggert | 1 | First positive recorded appearance: 1938 · Los Angeles, CA, USA | Source record |
| Harlin Pool | 1 | First positive recorded appearance: 1934 · Lakeport, CA, USA | Source record |
| Harry Danning | 1 | First positive recorded appearance: 1933 · Los Angeles, CA, USA | Source record |
| Harry Elliott | 1 | First positive recorded appearance: 1953 · San Francisco, CA, USA | Source record |
| Harry Heilmann | 1 | First positive recorded appearance: 1914 · San Francisco, CA, USA | Source record |
| Harry Hooper | 1 | First positive recorded appearance: 1909 · Bell Station, CA, USA | Source record |
| Harry Krause | 1 | First positive recorded appearance: 1908 · San Francisco, CA, USA | Source record |
| Harry Lochhead | 1 | First positive recorded appearance: 1899 · Stockton, CA, USA | Source record |
| Harry Rosenberg | 1 | First positive recorded appearance: 1930 · San Francisco, CA, USA | Source record |
| Harry Wolter | 1 | First positive recorded appearance: 1907 · Monterey, CA, USA | Source record |
| Harvey Pulliam | 1 | First positive recorded appearance: 1991 · San Francisco, CA, USA | Source record |
| Hayden Penn | 1 | First positive recorded appearance: 2005 · La Jolla, CA, USA | Source record |
| Heath Bell | 1 | First positive recorded appearance: 2004 · Oceanside, CA, USA | Source record |
| Hector Ambriz | 1 | First positive recorded appearance: 2010 · Orange, CA, USA | Source record |
| Heinie Heitmuller | 1 | First positive recorded appearance: 1909 · San Francisco, CA, USA | Source record |
| Heinie Sand | 1 | First positive recorded appearance: 1923 · San Francisco, CA, USA | Source record |
| Henry Krug | 1 | First positive recorded appearance: 1902 · San Francisco, CA, USA | Source record |
| Henry Moore | 1 | First positive recorded appearance: 1884 · San Francisco, CA, USA | Source record |
| Henry Owens | 1 | First positive recorded appearance: 2015 · Orange, CA, USA | Source record |
| Herb Adams | 1 | First positive recorded appearance: 1948 · Hollywood, CA, USA | Source record |
| Herb Gorman | 1 | First positive recorded appearance: 1952 · San Francisco, CA, USA | Source record |
| Herb McQuaid | 1 | First positive recorded appearance: 1923 · San Francisco, CA, USA | Source record |
| Herman Reich | 1 | First positive recorded appearance: 1949 · Bell, CA, USA | Source record |
| Herman Segelke | 1 | First positive recorded appearance: 1982 · San Mateo, CA, USA | Source record |
| Hersh Lyons | 1 | First positive recorded appearance: 1941 · Fresno, CA, USA | Source record |
| Horace Speed | 1 | First positive recorded appearance: 1975 · Los Angeles, CA, USA | Source record |
| Horacio Ramirez | 1 | First positive recorded appearance: 2003 · Carson, CA, USA | Source record |
| Howard Craghead | 1 | First positive recorded appearance: 1931 · Selma, CA, USA | Source record |
| Howard Hilton | 1 | First positive recorded appearance: 1990 · Oxnard, CA, USA | Source record |
| Howie Clark | 1 | First positive recorded appearance: 2002 · San Diego, CA, USA | Source record |
| Hub Andrews | 1 | First positive recorded appearance: 1947 · Burbank, CA, USA | Source record |
| Hubert Bates | 1 | First positive recorded appearance: 1939 · Los Angeles, CA, USA | Source record |
| Hubie Brooks | 1 | First positive recorded appearance: 1980 · Los Angeles, CA, USA | Source record |
| Hunter Greene | 1 | First positive recorded appearance: 2022 · Los Angeles, CA, USA | Source record |
| Ian Kennedy | 1 | First positive recorded appearance: 2007 · Huntington Beach, CA, USA | Source record |
| Ian Stewart | 1 | First positive recorded appearance: 2007 · Long Beach, CA, USA | Source record |
| Icehouse Wilson | 1 | First positive recorded appearance: 1934 · Maricopa, CA, USA | Source record |
| Ike Caveney | 1 | First positive recorded appearance: 1922 · San Francisco, CA, USA | Source record |
| Ike Danning | 1 | First positive recorded appearance: 1928 · Los Angeles, CA, USA | Source record |
| Irish Meusel | 1 | First positive recorded appearance: 1914 · Oakland, CA, USA | Source record |
| Isaac Galloway | 1 | First positive recorded appearance: 2018 · Pomona Valley, CA, USA | Source record |
| Italo Chelini | 1 | First positive recorded appearance: 1935 · San Francisco, CA, USA | Source record |
| J. D. Davis | 1 | First positive recorded appearance: 2017 · Elk Grove, CA, USA | Source record |
| J. D. Martin | 1 | First positive recorded appearance: 2009 · Ridgecrest, CA, USA | Source record |
| J. J. Davis | 1 | First positive recorded appearance: 2002 · Glendora, CA, USA | Source record |
| J. P. Crawford | 1 | First positive recorded appearance: 2017 · Long Beach, CA, USA | Source record |
| J. P. Howell | 1 | First positive recorded appearance: 2005 · Modesto, CA, USA | Source record |
| J. R. Graham | 1 | First positive recorded appearance: 2015 · Livermore, CA, USA | Source record |
| J. R. Phillips | 1 | First positive recorded appearance: 1993 · West Covina, CA, USA | Source record |
| J. T. Snow | 1 | First positive recorded appearance: 1992 · Long Beach, CA, USA | Source record |
| Jack Aker | 1 | First positive recorded appearance: 1964 · Tulare, CA, USA | Source record |
| Jack Barnett | 1 | First positive recorded appearance: 1907 · Ventura, CA, USA | Source record |
| Jack Brewer | 1 | First positive recorded appearance: 1944 · Los Angeles, CA, USA | Source record |
| Jack Brohamer | 1 | First positive recorded appearance: 1972 · Maywood, CA, USA | Source record |
| Jack Cassel | 1 | First positive recorded appearance: 2007 · Los Angeles, CA, USA | Source record |
| Jack Flaherty | 1 | First positive recorded appearance: 2017 · Burbank, CA, USA | Source record |
| Jack Harshman | 1 | First positive recorded appearance: 1948 · San Diego, CA, USA | Source record |
| Jack Hiatt | 1 | First positive recorded appearance: 1964 · Bakersfield, CA, USA | Source record |
| Jack Kruger | 1 | First positive recorded appearance: 2021 · Los Angeles, CA, USA | Source record |
| Jack Larsen | 1 | First positive recorded appearance: 2022 · Newport Beach, CA, USA | Source record |
| Jack Lohrke | 1 | First positive recorded appearance: 1947 · Los Angeles, CA, USA | Source record |
| Jack McDowell | 1 | First positive recorded appearance: 1987 · Van Nuys, CA, USA | Source record |
| Jack Meyers | 1 | First positive recorded appearance: 1909 · Riverside, CA, USA | Source record |
| Jack O'Connor | 1 | First positive recorded appearance: 1981 · Twenty-Nine Palms, CA, USA | Source record |
| Jack Roche | 1 | First positive recorded appearance: 1914 · Los Angeles, CA, USA | Source record |
| Jack Rothrock | 1 | First positive recorded appearance: 1925 · Long Beach, CA, USA | Source record |
| Jack Salveson | 1 | First positive recorded appearance: 1933 · Fullerton, CA, USA | Source record |
| Jack Shepard | 1 | First positive recorded appearance: 1953 · Clovis, CA, USA | Source record |
| Jack Wilson | 1 | First positive recorded appearance: 2001 · Westlake Village, CA, USA | Source record |
| Jackie Jensen | 1 | First positive recorded appearance: 1950 · San Francisco, CA, USA | Source record |
| Jackie Tobin | 1 | First positive recorded appearance: 1945 · Oakland, CA, USA | Source record |
| Jackie Warner | 1 | First positive recorded appearance: 1966 · Monrovia, CA, USA | Source record |
| Jacob Amaya | 1 | First positive recorded appearance: 2023 · El Monte, CA, USA | Source record |
| Jacob Cruz | 1 | First positive recorded appearance: 1996 · Oxnard, CA, USA | Source record |
| Jacob Lopez | 1 | First positive recorded appearance: 2023 · Granada Hills, CA, USA | Source record |
| Jacob Nix | 1 | First positive recorded appearance: 2018 · Los Alamitos, CA, USA | Source record |
| Jacob Nottingham | 1 | First positive recorded appearance: 2018 · Redlands, CA, USA | Source record |
| Jacob Webb | 1 | First positive recorded appearance: 2019 · Riverside, CA, USA | Source record |
| Jacob Wilson | 1 | First positive recorded appearance: 2024 · Los Angeles, CA, USA | Source record |
| Jacque Jones | 1 | First positive recorded appearance: 1999 · San Diego, CA, USA | Source record |
| Jaime Cerda | 1 | First positive recorded appearance: 2002 · Fresno, CA, USA | Source record |
| Jake Barrett | 1 | First positive recorded appearance: 2016 · Upland, CA, USA | Source record |
| Jake Bauers | 1 | First positive recorded appearance: 2018 · Newport Beach, CA, USA | Source record |
| Jake Bird | 1 | First positive recorded appearance: 2022 · Newhall, CA, USA | Source record |
| Jake Caulfield | 1 | First positive recorded appearance: 1946 · Los Angeles, CA, USA | Source record |
| Jake Faria | 1 | First positive recorded appearance: 2017 · La Palma, CA, USA | Source record |
| Jake Jaeckel | 1 | First positive recorded appearance: 1964 · East Los Angeles, CA, USA | Source record |
| Jake McGee | 1 | First positive recorded appearance: 2010 · San Jose, CA, USA | Source record |
| Jake Newberry | 1 | First positive recorded appearance: 2018 · San Diego, CA, USA | Source record |
| Jake Woods | 1 | First positive recorded appearance: 2005 · Fresno, CA, USA | Source record |
| Jalal Leach | 1 | First positive recorded appearance: 2001 · San Francisco, CA, USA | Source record |
| Jamal Strong | 1 | First positive recorded appearance: 2003 · Pasadena, CA, USA | Source record |
| James Darnell | 1 | First positive recorded appearance: 2011 · Fresno, CA, USA | Source record |
| James Kaprielian | 1 | First positive recorded appearance: 2020 · Laguna Hills, CA, USA | Source record |
| James Lofton | 1 | First positive recorded appearance: 2001 · Los Angeles, CA, USA | Source record |
| James Marvel | 1 | First positive recorded appearance: 2019 · San Francisco, CA, USA | Source record |
| James McCann | 1 | First positive recorded appearance: 2014 · Santa Barbara, CA, USA | Source record |
| James McDonald | 1 | First positive recorded appearance: 2008 · Long Beach, CA, USA | Source record |
| James McMullin | 1 | First positive recorded appearance: 1887 · San Francisco, CA, USA | Source record |
| James Outman | 1 | First positive recorded appearance: 2022 · Redwood City, CA, USA | Source record |
| James Sherfy | 1 | First positive recorded appearance: 2017 · Camarillo, CA, USA | Source record |
| James Shields | 1 | First positive recorded appearance: 2006 · Newhall, CA, USA | Source record |
| Jamie Quirk | 1 | First positive recorded appearance: 1975 · Whittier, CA, USA | Source record |
| Jared Jones | 1 | First positive recorded appearance: 2024 · Whittier, CA, USA | Source record |
| Jared Koenig | 1 | First positive recorded appearance: 2022 · Aptos, CA, USA | Source record |
| Jared Oliva | 1 | First positive recorded appearance: 2020 · Santa Clarita, CA, USA | Source record |
| Jaret Wright | 1 | First positive recorded appearance: 1997 · Anaheim, CA, USA | Source record |
| Jarren Duran | 1 | First positive recorded appearance: 2021 · Corona, CA, USA | Source record |
| Jarvis Tatum | 1 | First positive recorded appearance: 1968 · Fresno, CA, USA | Source record |
| Jason Alexander | 1 | First positive recorded appearance: 2022 · Windsor, CA, USA | Source record |
| Jason Bartlett | 1 | First positive recorded appearance: 2004 · Mountain View, CA, USA | Source record |
| Jason Bates | 1 | First positive recorded appearance: 1995 · Downey, CA, USA | Source record |
| Jason Botts | 1 | First positive recorded appearance: 2005 · Paso Robles, CA, USA | Source record |
| Jason Castro | 1 | First positive recorded appearance: 2010 · Castro Valley, CA, USA | Source record |
| Jason Donald | 1 | First positive recorded appearance: 2010 · Fresno, CA, USA | Source record |
| Jason Ellison | 1 | First positive recorded appearance: 2003 · Quincy, CA, USA | Source record |
| Jason Giambi | 1 | First positive recorded appearance: 1995 · West Covina, CA, USA | Source record |
| Jason Hart | 1 | First positive recorded appearance: 2002 · Walnut Creek, CA, USA | Source record |
| Jason Hirsh | 1 | First positive recorded appearance: 2006 · Santa Monica, CA, USA | Source record |
| Jason Jimenez | 1 | First positive recorded appearance: 2002 · Modesto, CA, USA | Source record |
| Jason Johnson | 1 | First positive recorded appearance: 1997 · Santa Barbara, CA, USA | Source record |
| Jason Kendall | 1 | First positive recorded appearance: 1996 · San Diego, CA, USA | Source record |
| Jason Lane | 1 | First positive recorded appearance: 2002 · Santa Rosa, CA, USA | Source record |
| Jason Martin | 1 | First positive recorded appearance: 2019 · Corona, CA, USA | Source record |
| Jason McDonald | 1 | First positive recorded appearance: 1997 · Modesto, CA, USA | Source record |
| Jason Phillips | 1 | First positive recorded appearance: 2001 · La Mesa, CA, USA | Source record |
| Jason Simontacchi | 1 | First positive recorded appearance: 2002 · Mountain View, CA, USA | Source record |
| Jason Szuminski | 1 | First positive recorded appearance: 2004 · San Diego, CA, USA | Source record |
| Jason Thompson | 1 | First positive recorded appearance: 1976 · Hollywood, CA, USA | Source record |
| Jason Vargas | 1 | First positive recorded appearance: 2005 · Apple Valley, CA, USA | Source record |
| Jason Waddell | 1 | First positive recorded appearance: 2009 · Huntington Beach, CA, USA | Source record |
| Jason Wheeler | 1 | First positive recorded appearance: 2017 · Torrance, CA, USA | Source record |
| Jason Windsor | 1 | First positive recorded appearance: 2006 · San Bernardino, CA, USA | Source record |
| Jason Wood | 1 | First positive recorded appearance: 1998 · San Bernardino, CA, USA | Source record |
| Jason Young | 1 | First positive recorded appearance: 2003 · Oakland, CA, USA | Source record |
| Jay Dahl | 1 | First positive recorded appearance: 1963 · San Bernardino, CA, USA | Source record |
| Jay Hughes | 1 | First positive recorded appearance: 1898 · Sacramento, CA, USA | Source record |
| Jay Kleven | 1 | First positive recorded appearance: 1976 · Oakland, CA, USA | Source record |
| Jay Spurgeon | 1 | First positive recorded appearance: 2000 · West Covina, CA, USA | Source record |
| Jeff Austin | 1 | First positive recorded appearance: 2001 · San Bernardino, CA, USA | Source record |
| Jeff Bajenaru | 1 | First positive recorded appearance: 2004 · Pomona, CA, USA | Source record |
| Jeff Ball | 1 | First positive recorded appearance: 1998 · Merced, CA, USA | Source record |
| Jeff Bettendorf | 1 | First positive recorded appearance: 1984 · Lompoc, CA, USA | Source record |
| Jeff Blauser | 1 | First positive recorded appearance: 1987 · Los Gatos, CA, USA | Source record |
| Jeff Burroughs | 1 | First positive recorded appearance: 1970 · Long Beach, CA, USA | Source record |
| Jeff Byrd | 1 | First positive recorded appearance: 1977 · La Mesa, CA, USA | Source record |
| Jeff Cirillo | 1 | First positive recorded appearance: 1994 · Pasadena, CA, USA | Source record |
| Jeff Cox | 1 | First positive recorded appearance: 1980 · Los Angeles, CA, USA | Source record |
| Jeff D'Amico | 1 | First positive recorded appearance: 2000 · Inglewood, CA, USA | Source record |
| Jeff DaVanon | 1 | First positive recorded appearance: 1999 · San Diego, CA, USA | Source record |
| Jeff Dedmon | 1 | First positive recorded appearance: 1983 · Torrance, CA, USA | Source record |
| Jeff Frye | 1 | First positive recorded appearance: 1992 · Oakland, CA, USA | Source record |
| Jeff Gardner | 1 | First positive recorded appearance: 1991 · Newport Beach, CA, USA | Source record |
| Jeff Granger | 1 | First positive recorded appearance: 1993 · San Pedro, CA, USA | Source record |
| Jeff Grotewold | 1 | First positive recorded appearance: 1992 · Madera, CA, USA | Source record |
| Jeff Harris | 1 | First positive recorded appearance: 2005 · Alameda, CA, USA | Source record |
| Jeff Hearron | 1 | First positive recorded appearance: 1985 · Long Beach, CA, USA | Source record |
| Jeff Heathcock | 1 | First positive recorded appearance: 1983 · Covina, CA, USA | Source record |
| Jeff Holly | 1 | First positive recorded appearance: 1977 · San Pedro, CA, USA | Source record |
| Jeff Karstens | 1 | First positive recorded appearance: 2006 · San Diego, CA, USA | Source record |
| Jeff Kent | 1 | First positive recorded appearance: 1992 · Bellflower, CA, USA | Source record |
| Jeff Kobernus | 1 | First positive recorded appearance: 2013 · San Leandro, CA, USA | Source record |
| Jeff Liefer | 1 | First positive recorded appearance: 1999 · Fontana, CA, USA | Source record |
| Jeff Marquez | 1 | First positive recorded appearance: 2010 · Vacaville, CA, USA | Source record |
| Jeff McNeil | 1 | First positive recorded appearance: 2018 · Santa Barbara, CA, USA | Source record |
| Jeff Patterson | 1 | First positive recorded appearance: 1995 · Anaheim, CA, USA | Source record |
| Jeff Pico | 1 | First positive recorded appearance: 1988 · Antioch, CA, USA | Source record |
| Jeff Ransom | 1 | First positive recorded appearance: 1981 · Fresno, CA, USA | Source record |
| Jeff Robinson | 1 | First positive recorded appearance: 1984 · Santa Ana, CA, USA | Source record |
| Jeff Robinson | 1 | First positive recorded appearance: 1987 · Ventura, CA, USA | Source record |
| Jeff Schattinger | 1 | First positive recorded appearance: 1981 · Fresno, CA, USA | Source record |
| Jeff Sellers | 1 | First positive recorded appearance: 1985 · Compton, CA, USA | Source record |
| Jeff Stevens | 1 | First positive recorded appearance: 2009 · Berkeley, CA, USA | Source record |
| Jeff Tackett | 1 | First positive recorded appearance: 1991 · Fresno, CA, USA | Source record |
| Jeff Tam | 1 | First positive recorded appearance: 1998 · Fullerton, CA, USA | Source record |
| Jeff Weaver | 1 | First positive recorded appearance: 1999 · Northridge, CA, USA | Source record |
| Jeff Wetherby | 1 | First positive recorded appearance: 1989 · Granada Hills, CA, USA | Source record |
| Jeff Yurak | 1 | First positive recorded appearance: 1978 · Pasadena, CA, USA | Source record |
| Jered Weaver | 1 | First positive recorded appearance: 2006 · Northridge, CA, USA | Source record |
| Jeremiah Estrada | 1 | First positive recorded appearance: 2022 · Indio, CA, USA | Source record |
| Jeremy Giambi | 1 | First positive recorded appearance: 1998 · San Jose, CA, USA | Source record |
| Jeremy Hernandez | 1 | First positive recorded appearance: 1991 · Burbank, CA, USA | Source record |
| Jeremy Powell | 1 | First positive recorded appearance: 1998 · Bellflower, CA, USA | Source record |
| Jeremy Reed | 1 | First positive recorded appearance: 2004 · San Dimas, CA, USA | Source record |
| Jeriome Robertson | 1 | First positive recorded appearance: 2002 · San Jose, CA, USA | Source record |
| Jermaine Clark | 1 | First positive recorded appearance: 2001 · Berkeley, CA, USA | Source record |
| Jermaine Curtis | 1 | First positive recorded appearance: 2013 · Panorama City, CA, USA | Source record |
| Jermaine Dye | 1 | First positive recorded appearance: 1996 · Oakland, CA, USA | Source record |
| Jeromy Burnitz | 1 | First positive recorded appearance: 1993 · Westminster, CA, USA | Source record |
| Jerry Coleman | 1 | First positive recorded appearance: 1949 · San Jose, CA, USA | Source record |
| Jerry Cram | 1 | First positive recorded appearance: 1969 · Los Angeles, CA, USA | Source record |
| Jerry D'Arcy | 1 | First positive recorded appearance: 1911 · Oakland, CA, USA | Source record |
| Jerry DaVanon | 1 | First positive recorded appearance: 1969 · Oceanside, CA, USA | Source record |
| Jerry Freeman | 1 | First positive recorded appearance: 1908 · Placerville, CA, USA | Source record |
| Jerry Fry | 1 | First positive recorded appearance: 1978 · Salinas, CA, USA | Source record |
| Jerry Garvin | 1 | First positive recorded appearance: 1977 · Oakland, CA, USA | Source record |
| Jerry Goff | 1 | First positive recorded appearance: 1990 · San Rafael, CA, USA | Source record |
| Jerry Maddox | 1 | First positive recorded appearance: 1978 · Whittier, CA, USA | Source record |
| Jerry Nielsen | 1 | First positive recorded appearance: 1992 · Sacramento, CA, USA | Source record |
| Jerry Owens | 1 | First positive recorded appearance: 2006 · Hollywood, CA, USA | Source record |
| Jerry Priddy | 1 | First positive recorded appearance: 1941 · Los Angeles, CA, USA | Source record |
| Jerry Royster | 1 | First positive recorded appearance: 1973 · Sacramento, CA, USA | Source record |
| Jerry Spradlin | 1 | First positive recorded appearance: 1993 · Fullerton, CA, USA | Source record |
| Jerry Willard | 1 | First positive recorded appearance: 1984 · Oxnard, CA, USA | Source record |
| Jess Buckles | 1 | First positive recorded appearance: 1916 · Lordsburg, CA, USA | Source record |
| Jesse Chavez | 1 | First positive recorded appearance: 2008 · Victorville, CA, USA | Source record |
| Jesse English | 1 | First positive recorded appearance: 2010 · Oceanside, CA, USA | Source record |
| Jesse Orosco | 1 | First positive recorded appearance: 1979 · Santa Barbara, CA, USA | Source record |
| Jesse Scholtens | 1 | First positive recorded appearance: 2023 · Fairfield, CA, USA | Source record |
| Jeter Downs | 1 | First positive recorded appearance: 2022 · San Andres, CA, USA | Source record |
| Jett Bandy | 1 | First positive recorded appearance: 2015 · West Hills, CA, USA | Source record |
| Jim Anderson | 1 | First positive recorded appearance: 1978 · Los Angeles, CA, USA | Source record |
| Jim Barr | 1 | First positive recorded appearance: 1971 · Lynwood, CA, USA | Source record |
| Jim Baxes | 1 | First positive recorded appearance: 1959 · San Francisco, CA, USA | Source record |
| Jim Begley | 1 | First positive recorded appearance: 1924 · San Francisco, CA, USA | Source record |
| Jim Brenneman | 1 | First positive recorded appearance: 1965 · San Diego, CA, USA | Source record |
| Jim Brewer | 1 | First positive recorded appearance: 1960 · Merced, CA, USA | Source record |
| Jim Byrnes | 1 | First positive recorded appearance: 1906 · San Francisco, CA, USA | Source record |
| Jim Campbell | 1 | First positive recorded appearance: 1962 · Palo Alto, CA, USA | Source record |
| Jim Campbell | 1 | First positive recorded appearance: 1990 · Santa Maria, CA, USA | Source record |
| Jim Colborn | 1 | First positive recorded appearance: 1969 · Santa Paula, CA, USA | Source record |
| Jim Converse | 1 | First positive recorded appearance: 1993 · San Francisco, CA, USA | Source record |
| Jim Cronin | 1 | First positive recorded appearance: 1929 · Richmond, CA, USA | Source record |
| Jim Davis | 1 | First positive recorded appearance: 1954 · Red Bluff, CA, USA | Source record |
| Jim Dedrick | 1 | First positive recorded appearance: 1995 · Los Angeles, CA, USA | Source record |
| Jim Derrington | 1 | First positive recorded appearance: 1956 · Compton, CA, USA | Source record |
| Jim Duckworth | 1 | First positive recorded appearance: 1963 · National City, CA, USA | Source record |
| Jim Edmonds | 1 | First positive recorded appearance: 1993 · Fullerton, CA, USA | Source record |
| Jim Ellis | 1 | First positive recorded appearance: 1967 · Tulare, CA, USA | Source record |
| Jim Fogarty | 1 | First positive recorded appearance: 1884 · San Francisco, CA, USA | Source record |
| Jim Fregosi | 1 | First positive recorded appearance: 1961 · San Francisco, CA, USA | Source record |
| Jim Gentile | 1 | First positive recorded appearance: 1957 · San Francisco, CA, USA | Source record |
| Jim Gott | 1 | First positive recorded appearance: 1982 · Hollywood, CA, USA | Source record |
| Jim Hughes | 1 | First positive recorded appearance: 1974 · Los Angeles, CA, USA | Source record |
| Jim Landis | 1 | First positive recorded appearance: 1957 · Fresno, CA, USA | Source record |
| Jim Lefebvre | 1 | First positive recorded appearance: 1965 · Inglewood, CA, USA | Source record |
| Jim Lentine | 1 | First positive recorded appearance: 1978 · Los Angeles, CA, USA | Source record |
| Jim Lonborg | 1 | First positive recorded appearance: 1965 · Santa Maria, CA, USA | Source record |
| Jim Maloney | 1 | First positive recorded appearance: 1960 · Fresno, CA, USA | Source record |
| Jim Mangan | 1 | First positive recorded appearance: 1952 · San Francisco, CA, USA | Source record |
| Jim McAnany | 1 | First positive recorded appearance: 1958 · Los Angeles, CA, USA | Source record |
| Jim McDonald | 1 | First positive recorded appearance: 1884 · San Francisco, CA, USA | Source record |
| Jim McElroy | 1 | First positive recorded appearance: 1884 · Napa County, CA, USA | Source record |
| Jim McGlothlin | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Jim Merritt | 1 | First positive recorded appearance: 1965 · Altadena, CA, USA | Source record |
| Jim Neidlinger | 1 | First positive recorded appearance: 1990 · Vallejo, CA, USA | Source record |
| Jim Nettles | 1 | First positive recorded appearance: 1970 · San Diego, CA, USA | Source record |
| Jim Parque | 1 | First positive recorded appearance: 1998 · Norwalk, CA, USA | Source record |
| Jim Pena | 1 | First positive recorded appearance: 1992 · Los Angeles, CA, USA | Source record |
| Jim Qualls | 1 | First positive recorded appearance: 1969 · Exeter, CA, USA | Source record |
| Jim Roxburgh | 1 | First positive recorded appearance: 1884 · San Francisco, CA, USA | Source record |
| Jim Scranton | 1 | First positive recorded appearance: 1984 · Torrance, CA, USA | Source record |
| Jim Shellenback | 1 | First positive recorded appearance: 1966 · Riverside, CA, USA | Source record |
| Jim Slaton | 1 | First positive recorded appearance: 1971 · Long Beach, CA, USA | Source record |
| Jim Smith | 1 | First positive recorded appearance: 1982 · Santa Monica, CA, USA | Source record |
| Jim Strickland | 1 | First positive recorded appearance: 1971 · Los Angeles, CA, USA | Source record |
| Jim Tatum | 1 | First positive recorded appearance: 1992 · San Diego, CA, USA | Source record |
| Jim Tobin | 1 | First positive recorded appearance: 1937 · Oakland, CA, USA | Source record |
| Jim Umbarger | 1 | First positive recorded appearance: 1975 · Burbank, CA, USA | Source record |
| Jim Vatcher | 1 | First positive recorded appearance: 1990 · Santa Monica, CA, USA | Source record |
| Jim Westlake | 1 | First positive recorded appearance: 1955 · Sacramento, CA, USA | Source record |
| Jim Wilhelm | 1 | First positive recorded appearance: 1978 · San Rafael, CA, USA | Source record |
| Jim Willoughby | 1 | First positive recorded appearance: 1971 · Salinas, CA, USA | Source record |
| Jim Wilson | 1 | First positive recorded appearance: 1945 · San Diego, CA, USA | Source record |
| Jim Winn | 1 | First positive recorded appearance: 1983 · Stockton, CA, USA | Source record |
| Jim Wohlford | 1 | First positive recorded appearance: 1972 · Visalia, CA, USA | Source record |
| Jim York | 1 | First positive recorded appearance: 1970 · Maywood, CA, USA | Source record |
| Jimmy Direaux | 1 | First positive recorded appearance: 1937 · Pasadena, CA, USA | Source record |
| Jimmy Lambert | 1 | First positive recorded appearance: 2020 · Arcadia, CA, USA | Source record |
| Jimmy O'Connell | 1 | First positive recorded appearance: 1923 · Sacramento, CA, USA | Source record |
| Jimmy Rollins | 1 | First positive recorded appearance: 2000 · Oakland, CA, USA | Source record |
| Jimy Williams | 1 | First positive recorded appearance: 1966 · Santa Maria, CA, USA | Source record |
| Jo-Jo Reyes | 1 | First positive recorded appearance: 2007 · West Covina, CA, USA | Source record |
| Joc Pederson | 1 | First positive recorded appearance: 2014 · Palo Alto, CA, USA | Source record |
| Joe Abreu | 1 | First positive recorded appearance: 1942 · Oakland, CA, USA | Source record |
| Joe Biagini | 1 | First positive recorded appearance: 2016 · Redwood City, CA, USA | Source record |
| Joe Bitker | 1 | First positive recorded appearance: 1990 · Glendale, CA, USA | Source record |
| Joe Borchard | 1 | First positive recorded appearance: 2002 · Panorama City, CA, USA | Source record |
| Joe Brovia | 1 | First positive recorded appearance: 1955 · Davenport, CA, USA | Source record |
| Joe Chamberlain | 1 | First positive recorded appearance: 1934 · San Francisco, CA, USA | Source record |
| Joe Connolly | 1 | First positive recorded appearance: 1921 · San Francisco, CA, USA | Source record |
| Joe Corbett | 1 | First positive recorded appearance: 1895 · San Francisco, CA, USA | Source record |
| Joe Coscarart | 1 | First positive recorded appearance: 1935 · Escondido, CA, USA | Source record |
| Joe Cronin | 1 | First positive recorded appearance: 1926 · San Francisco, CA, USA | Source record |
| Joe DeMaestri | 1 | First positive recorded appearance: 1951 · San Francisco, CA, USA | Source record |
| Joe Dillon | 1 | First positive recorded appearance: 2005 · Modesto, CA, USA | Source record |
| Joe DiMaggio | 1 | First positive recorded appearance: 1936 · Martinez, CA, USA | Source record |
| Joe Ferguson | 1 | First positive recorded appearance: 1970 · San Francisco, CA, USA | Source record |
| Joe Gantenbein | 1 | First positive recorded appearance: 1939 · San Francisco, CA, USA | Source record |
| Joe Gedeon | 1 | First positive recorded appearance: 1913 · Sacramento, CA, USA | Source record |
| Joe Giannini | 1 | First positive recorded appearance: 1911 · Drytown, CA, USA | Source record |
| Joe Gonzales | 1 | First positive recorded appearance: 1937 · San Francisco, CA, USA | Source record |
| Joe Gordon | 1 | First positive recorded appearance: 1938 · Los Angeles, CA, USA | Source record |
| Joe Hoover | 1 | First positive recorded appearance: 1943 · Brawley, CA, USA | Source record |
| Joe Horgan | 1 | First positive recorded appearance: 2004 · Sacramento, CA, USA | Source record |
| Joe Inglett | 1 | First positive recorded appearance: 2006 · Sacramento, CA, USA | Source record |
| Joe Keener | 1 | First positive recorded appearance: 1976 · San Pedro, CA, USA | Source record |
| Joe Kelly | 1 | First positive recorded appearance: 2012 · Anaheim, CA, USA | Source record |
| Joe Kennedy | 1 | First positive recorded appearance: 2001 · La Mesa, CA, USA | Source record |
| Joe Keough | 1 | First positive recorded appearance: 1968 · Pomona, CA, USA | Source record |
| Joe Kirrene | 1 | First positive recorded appearance: 1950 · San Francisco, CA, USA | Source record |
| Joe Kmak | 1 | First positive recorded appearance: 1993 · Napa, CA, USA | Source record |
| Joe Lansford | 1 | First positive recorded appearance: 1982 · Santa Clara, CA, USA | Source record |
| Joe Lovitto | 1 | First positive recorded appearance: 1972 · San Pedro, CA, USA | Source record |
| Joe Marty | 1 | First positive recorded appearance: 1937 · Sacramento, CA, USA | Source record |
| Joe Mellana | 1 | First positive recorded appearance: 1927 · Oakland, CA, USA | Source record |
| Joe Millette | 1 | First positive recorded appearance: 1992 · Walnut Creek, CA, USA | Source record |
| Joe Musgrove | 1 | First positive recorded appearance: 2016 · El Cajon, CA, USA | Source record |
| Joe Nealon | 1 | First positive recorded appearance: 1906 · San Francisco, CA, USA | Source record |
| Joe Nelson | 1 | First positive recorded appearance: 2001 · Alameda, CA, USA | Source record |
| Joe Orengo | 1 | First positive recorded appearance: 1939 · San Francisco, CA, USA | Source record |
| Joe Orrell | 1 | First positive recorded appearance: 1943 · National City, CA, USA | Source record |
| Joe Paterson | 1 | First positive recorded appearance: 2011 · Oakland, CA, USA | Source record |
| Joe Price | 1 | First positive recorded appearance: 1980 · Inglewood, CA, USA | Source record |
| Joe Ross | 1 | First positive recorded appearance: 2015 · Berkeley, CA, USA | Source record |
| Joe Rosselli | 1 | First positive recorded appearance: 1995 · Burbank, CA, USA | Source record |
| Joe Rossi | 1 | First positive recorded appearance: 1952 · Oakland, CA, USA | Source record |
| Joe Rudi | 1 | First positive recorded appearance: 1967 · Modesto, CA, USA | Source record |
| Joe Ryan | 1 | First positive recorded appearance: 2021 · San Francisco, CA, USA | Source record |
| Joe Strong | 1 | First positive recorded appearance: 2000 · Fairfield, CA, USA | Source record |
| Joe Thurston | 1 | First positive recorded appearance: 2002 · Fairfield, CA, USA | Source record |
| Joel Adamson | 1 | First positive recorded appearance: 1996 · Lakewood, CA, USA | Source record |
| Joel Skinner | 1 | First positive recorded appearance: 1983 · La Jolla, CA, USA | Source record |
| Joel Zumaya | 1 | First positive recorded appearance: 2006 · Chula Vista, CA, USA | Source record |
| Joey Amalfitano | 1 | First positive recorded appearance: 1954 · San Pedro, CA, USA | Source record |
| Joey Dawley | 1 | First positive recorded appearance: 2002 · Riverside, CA, USA | Source record |
| Joey Eischen | 1 | First positive recorded appearance: 1994 · West Covina, CA, USA | Source record |
| Joey Estes | 1 | First positive recorded appearance: 2023 · Lancaster, CA, USA | Source record |
| Joey Lucchesi | 1 | First positive recorded appearance: 2018 · Newark, CA, USA | Source record |
| Joey Ortiz | 1 | First positive recorded appearance: 2023 · Garden Grove, CA, USA | Source record |
| John Andrews | 1 | First positive recorded appearance: 1973 · Monterey Park, CA, USA | Source record |
| John Baker | 1 | First positive recorded appearance: 2008 · Alameda, CA, USA | Source record |
| John Barnes | 1 | First positive recorded appearance: 2000 · San Diego, CA, USA | Source record |
| John Boccabella | 1 | First positive recorded appearance: 1963 · San Francisco, CA, USA | Source record |
| John Bohnet | 1 | First positive recorded appearance: 1982 · Pasadena, CA, USA | Source record |
| John Bottarini | 1 | First positive recorded appearance: 1937 · Crockett, CA, USA | Source record |
| John Bowker | 1 | First positive recorded appearance: 2008 · Sacramento, CA, USA | Source record |
| John Briggs | 1 | First positive recorded appearance: 1956 · Natoma, CA, USA | Source record |
| John Butcher | 1 | First positive recorded appearance: 1980 · Glendale, CA, USA | Source record |
| John Cahill | 1 | First positive recorded appearance: 1884 · San Francisco, CA, USA | Source record |
| John Christensen | 1 | First positive recorded appearance: 1984 · Downey, CA, USA | Source record |
| John Cummings | 1 | First positive recorded appearance: 1993 · Torrance, CA, USA | Source record |
| John D'Acquisto | 1 | First positive recorded appearance: 1973 · San Diego, CA, USA | Source record |
| John DeSilva | 1 | First positive recorded appearance: 1993 · Fort Bragg, CA, USA | Source record |
| John Fishel | 1 | First positive recorded appearance: 1988 · Fullerton, CA, USA | Source record |
| John Flannery | 1 | First positive recorded appearance: 1977 · Long Beach, CA, USA | Source record |
| John Flavin | 1 | First positive recorded appearance: 1964 · Albany, CA, USA | Source record |
| John Flinn | 1 | First positive recorded appearance: 1978 · Merced, CA, USA | Source record |
| John Foster | 1 | First positive recorded appearance: 2002 · Stockton, CA, USA | Source record |
| John Fuller | 1 | First positive recorded appearance: 1974 · Lynwood, CA, USA | Source record |
| John Gall | 1 | First positive recorded appearance: 2005 · Stanford, CA, USA | Source record |
| John Gillespie | 1 | First positive recorded appearance: 1922 · Oakland, CA, USA | Source record |
| John Grabow | 1 | First positive recorded appearance: 2003 · Arcadia, CA, USA | Source record |
| John Hale | 1 | First positive recorded appearance: 1974 · Fresno, CA, USA | Source record |
| John Harrell | 1 | First positive recorded appearance: 1969 · Long Beach, CA, USA | Source record |
| John Holdzkom | 1 | First positive recorded appearance: 2014 · Pasadena, CA, USA | Source record |
| John Hoover | 1 | First positive recorded appearance: 1990 · Fresno, CA, USA | Source record |
| John Jaso | 1 | First positive recorded appearance: 2008 · Chula Vista, CA, USA | Source record |
| John Kerr | 1 | First positive recorded appearance: 1923 · San Francisco, CA, USA | Source record |
| John Lamb | 1 | First positive recorded appearance: 2015 · La Palma, CA, USA | Source record |
| John Littlefield | 1 | First positive recorded appearance: 1980 · Covina, CA, USA | Source record |
| John Miller | 1 | First positive recorded appearance: 1966 · Alhambra, CA, USA | Source record |
| John Moses | 1 | First positive recorded appearance: 1982 · Los Angeles, CA, USA | Source record |
| John Oldham | 1 | First positive recorded appearance: 1956 · Salinas, CA, USA | Source record |
| John Orton | 1 | First positive recorded appearance: 1989 · Santa Cruz, CA, USA | Source record |
| John Rabb | 1 | First positive recorded appearance: 1982 · Los Angeles, CA, USA | Source record |
| John Ritchey | 1 | First positive recorded appearance: 1947 · San Diego, CA, USA | Source record |
| John Roskos | 1 | First positive recorded appearance: 1998 · Victorville, CA, USA | Source record |
| John Russell | 1 | First positive recorded appearance: 1917 · San Mateo, CA, USA | Source record |
| John Sipin | 1 | First positive recorded appearance: 1969 · Watsonville, CA, USA | Source record |
| John Urrea | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| John Van Benschoten | 1 | First positive recorded appearance: 2004 · San Diego, CA, USA | Source record |
| John Verhoeven | 1 | First positive recorded appearance: 1976 · Long Beach, CA, USA | Source record |
| John Vukovich | 1 | First positive recorded appearance: 1970 · Sacramento, CA, USA | Source record |
| John Wetteland | 1 | First positive recorded appearance: 1989 · San Mateo, CA, USA | Source record |
| John Young | 1 | First positive recorded appearance: 1971 · Los Angeles, CA, USA | Source record |
| Johnny Babich | 1 | First positive recorded appearance: 1934 · Albion, CA, USA | Source record |
| Johnny Berardino | 1 | First positive recorded appearance: 1939 · Los Angeles, CA, USA | Source record |
| Johnny Davis | 1 | First positive recorded appearance: 2019 · Compton, CA, USA | Source record |
| Johnny Estrada | 1 | First positive recorded appearance: 2001 · Hayward, CA, USA | Source record |
| Johnny Vergez | 1 | First positive recorded appearance: 1931 · Oakland, CA, USA | Source record |
| JoJo Romero | 1 | First positive recorded appearance: 2020 · Camarillo, CA, USA | Source record |
| Jon Garland | 1 | First positive recorded appearance: 2000 · Valencia, CA, USA | Source record |
| Jon Huber | 1 | First positive recorded appearance: 2006 · Sacramento, CA, USA | Source record |
| Jon Leicester | 1 | First positive recorded appearance: 2004 · Mariposa, CA, USA | Source record |
| Jon Moscot | 1 | First positive recorded appearance: 2015 · Santa Monica, CA, USA | Source record |
| Jon Singleton | 1 | First positive recorded appearance: 2014 · Harbor City, CA, USA | Source record |
| Jon Zuber | 1 | First positive recorded appearance: 1996 · Encino, CA, USA | Source record |
| Jonathan Pettibone | 1 | First positive recorded appearance: 2013 · Placentia, CA, USA | Source record |
| Jonny DeLuca | 1 | First positive recorded appearance: 2023 · Thousand Oaks, CA, USA | Source record |
| Jonny Gomes | 1 | First positive recorded appearance: 2003 · Petaluma, CA, USA | Source record |
| Jordan Brown | 1 | First positive recorded appearance: 2010 · Walnut Creek, CA, USA | Source record |
| Jordan Luplow | 1 | First positive recorded appearance: 2017 · Visalia, CA, USA | Source record |
| Jorge Pedre | 1 | First positive recorded appearance: 1991 · Culver City, CA, USA | Source record |
| Jorge Piedra | 1 | First positive recorded appearance: 2004 · Sun Valley, CA, USA | Source record |
| Jose Rojas | 1 | First positive recorded appearance: 2021 · Anaheim, CA, USA | Source record |
| Josh Butler | 1 | First positive recorded appearance: 2009 · Auburn, CA, USA | Source record |
| Josh Labandeira | 1 | First positive recorded appearance: 2004 · Tulare, CA, USA | Source record |
| Josh Ravin | 1 | First positive recorded appearance: 2015 · West Hills, CA, USA | Source record |
| Josh Reilly | 1 | First positive recorded appearance: 1896 · San Francisco, CA, USA | Source record |
| Josh Satin | 1 | First positive recorded appearance: 2011 · Los Angeles, CA, USA | Source record |
| Josh Staumont | 1 | First positive recorded appearance: 2019 · La Habra, CA, USA | Source record |
| Josh Towers | 1 | First positive recorded appearance: 2001 · Port Hueneme, CA, USA | Source record |
| Josh Vitters | 1 | First positive recorded appearance: 2012 · Anaheim, CA, USA | Source record |
| Joshua Fuentes | 1 | First positive recorded appearance: 2019 · Rancho Santa Margarita, CA, USA | Source record |
| Judge Nagle | 1 | First positive recorded appearance: 1911 · Santa Rosa, CA, USA | Source record |
| Julian Aguiar | 1 | First positive recorded appearance: 2024 · Long Beach, CA, USA | Source record |
| Julian Merryweather | 1 | First positive recorded appearance: 2020 · Berkeley, CA, USA | Source record |
| Justin Baughman | 1 | First positive recorded appearance: 1998 · Mountain View, CA, USA | Source record |
| Justin Bruihl | 1 | First positive recorded appearance: 2021 · Petaluma, CA, USA | Source record |
| Justin Brunette | 1 | First positive recorded appearance: 2000 · Los Alamitos, CA, USA | Source record |
| Justin De Fratus | 1 | First positive recorded appearance: 2011 · Ventura, CA, USA | Source record |
| Justin Fitzgerald | 1 | First positive recorded appearance: 1911 · San Mateo, CA, USA | Source record |
| Justin Garza | 1 | First positive recorded appearance: 2021 · Glendora, CA, USA | Source record |
| Justin Germano | 1 | First positive recorded appearance: 2004 · Pasadena, CA, USA | Source record |
| Justin Haley | 1 | First positive recorded appearance: 2017 · Sacramento, CA, USA | Source record |
| Justin Lehr | 1 | First positive recorded appearance: 2004 · Orange, CA, USA | Source record |
| Justin Miller | 1 | First positive recorded appearance: 2002 · Torrance, CA, USA | Source record |
| Justin Miller | 1 | First positive recorded appearance: 2014 · Bakersfield, CA, USA | Source record |
| Justin Sellers | 1 | First positive recorded appearance: 2011 · Bellflower, CA, USA | Source record |
| Justin Speier | 1 | First positive recorded appearance: 1998 · Daly City, CA, USA | Source record |
| Justin Sterner | 1 | First positive recorded appearance: 2024 · La Jolla, CA, USA | Source record |
| Justin Turner | 1 | First positive recorded appearance: 2009 · Long Beach, CA, USA | Source record |
| Justin Wilson | 1 | First positive recorded appearance: 2012 · Anaheim, CA, USA | Source record |
| Kameron Loe | 1 | First positive recorded appearance: 2004 · Simi Valley, CA, USA | Source record |
| Karl Olson | 1 | First positive recorded appearance: 1951 · Ross, CA, USA | Source record |
| Karl Schnell | 1 | First positive recorded appearance: 1922 · Los Angeles, CA, USA | Source record |
| Keith Comstock | 1 | First positive recorded appearance: 1984 · San Francisco, CA, USA | Source record |
| Keith Ginter | 1 | First positive recorded appearance: 2000 · Norwalk, CA, USA | Source record |
| Keith Hernandez | 1 | First positive recorded appearance: 1974 · San Francisco, CA, USA | Source record |
| Keith Johnson | 1 | First positive recorded appearance: 2000 · Hanford, CA, USA | Source record |
| Keith Lockhart | 1 | First positive recorded appearance: 1994 · Whittier, CA, USA | Source record |
| Keith Marshall | 1 | First positive recorded appearance: 1973 · San Francisco, CA, USA | Source record |
| Keith Mitchell | 1 | First positive recorded appearance: 1991 · San Diego, CA, USA | Source record |
| Keith Smith | 1 | First positive recorded appearance: 1984 · Los Angeles, CA, USA | Source record |
| Kelly Mann | 1 | First positive recorded appearance: 1989 · Santa Monica, CA, USA | Source record |
| Kelly Paris | 1 | First positive recorded appearance: 1982 · Encino, CA, USA | Source record |
| Kelvin Chapman | 1 | First positive recorded appearance: 1979 · Willits, CA, USA | Source record |
| Ken Caminiti | 1 | First positive recorded appearance: 1987 · Hanford, CA, USA | Source record |
| Ken Dowell | 1 | First positive recorded appearance: 1987 · Sacramento, CA, USA | Source record |
| Ken Forsch | 1 | First positive recorded appearance: 1970 · Sacramento, CA, USA | Source record |
| Ken Harvey | 1 | First positive recorded appearance: 2001 · Los Angeles, CA, USA | Source record |
| Ken Hottman | 1 | First positive recorded appearance: 1971 · Stockton, CA, USA | Source record |
| Ken Hubbs | 1 | First positive recorded appearance: 1961 · Riverside, CA, USA | Source record |
| Ken Huckaby | 1 | First positive recorded appearance: 2001 · San Leandro, CA, USA | Source record |
| Ken Landreaux | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| Ken McMullen | 1 | First positive recorded appearance: 1962 · Oxnard, CA, USA | Source record |
| Ken Patterson | 1 | First positive recorded appearance: 1988 · Costa Mesa, CA, USA | Source record |
| Ken Poulsen | 1 | First positive recorded appearance: 1967 · Van Nuys, CA, USA | Source record |
| Ken Reitz | 1 | First positive recorded appearance: 1972 · San Francisco, CA, USA | Source record |
| Ken Waldichuk | 1 | First positive recorded appearance: 2022 · San Diego, CA, USA | Source record |
| Ken Walters | 1 | First positive recorded appearance: 1960 · Fresno, CA, USA | Source record |
| Ken Williams | 1 | First positive recorded appearance: 1986 · Berkeley, CA, USA | Source record |
| Kenny Rosenberg | 1 | First positive recorded appearance: 2022 · Mill Valley, CA, USA | Source record |
| Keone Kela | 1 | First positive recorded appearance: 2015 · Los Angeles, CA, USA | Source record |
| Keston Hiura | 1 | First positive recorded appearance: 2019 · Valencia, CA, USA | Source record |
| Kettle Wirts | 1 | First positive recorded appearance: 1921 · Cosumnes, CA, USA | Source record |
| Kevin Appier | 1 | First positive recorded appearance: 1989 · Lancaster, CA, USA | Source record |
| Kevin Bass | 1 | First positive recorded appearance: 1982 · Redwood City, CA, USA | Source record |
| Kevin Bell | 1 | First positive recorded appearance: 1976 · Los Angeles, CA, USA | Source record |
| Kevin Blankenship | 1 | First positive recorded appearance: 1988 · Anaheim, CA, USA | Source record |
| Kevin Brown | 1 | First positive recorded appearance: 1990 · Oroville, CA, USA | Source record |
| Kevin Correia | 1 | First positive recorded appearance: 2003 · San Diego, CA, USA | Source record |
| Kevin Cron | 1 | First positive recorded appearance: 2019 · Placentia, CA, USA | Source record |
| Kevin Elster | 1 | First positive recorded appearance: 1986 · San Pedro, CA, USA | Source record |
| Kevin Flora | 1 | First positive recorded appearance: 1991 · Fontana, CA, USA | Source record |
| Kevin Frandsen | 1 | First positive recorded appearance: 2006 · San Jose, CA, USA | Source record |
| Kevin Ginkel | 1 | First positive recorded appearance: 2019 · San Diego, CA, USA | Source record |
| Kevin Gross | 1 | First positive recorded appearance: 1983 · Downey, CA, USA | Source record |
| Kevin Higgins | 1 | First positive recorded appearance: 1993 · San Gabriel, CA, USA | Source record |
| Kevin Jepsen | 1 | First positive recorded appearance: 2008 · Anaheim, CA, USA | Source record |
| Kevin Jordan | 1 | First positive recorded appearance: 1995 · San Francisco, CA, USA | Source record |
| Kevin King | 1 | First positive recorded appearance: 1993 · Atwater, CA, USA | Source record |
| Kevin Kouzmanoff | 1 | First positive recorded appearance: 2006 · Newport Beach, CA, USA | Source record |
| Kevin Kramer | 1 | First positive recorded appearance: 2018 · Turlock, CA, USA | Source record |
| Kevin Maas | 1 | First positive recorded appearance: 1990 · Castro Valley, CA, USA | Source record |
| Kevin Millar | 1 | First positive recorded appearance: 1998 · Los Angeles, CA, USA | Source record |
| Kevin Mitchell | 1 | First positive recorded appearance: 1984 · San Diego, CA, USA | Source record |
| Kevin Newman | 1 | First positive recorded appearance: 2018 · Poway, CA, USA | Source record |
| Kevin Olsen | 1 | First positive recorded appearance: 2001 · Covina, CA, USA | Source record |
| Kevin Padlo | 1 | First positive recorded appearance: 2021 · Murrieta, CA, USA | Source record |
| Kevin Pickford | 1 | First positive recorded appearance: 2002 · Fresno, CA, USA | Source record |
| Kevin Pillar | 1 | First positive recorded appearance: 2013 · West Hills, CA, USA | Source record |
| Kevin Reese | 1 | First positive recorded appearance: 2005 · San Diego, CA, USA | Source record |
| Khris Davis | 1 | First positive recorded appearance: 2013 · Lakewood, CA, USA | Source record |
| Kiko Garcia | 1 | First positive recorded appearance: 1976 · Martinez, CA, USA | Source record |
| Kim Allen | 1 | First positive recorded appearance: 1980 · Fontana, CA, USA | Source record |
| Kim Andrew | 1 | First positive recorded appearance: 1975 · Glendale, CA, USA | Source record |
| Kirk Nieuwenhuis | 1 | First positive recorded appearance: 2012 · Santa Monica, CA, USA | Source record |
| Kirk Saarloos | 1 | First positive recorded appearance: 2002 · Long Beach, CA, USA | Source record |
| Kit Carson | 1 | First positive recorded appearance: 1934 · Colton, CA, USA | Source record |
| Kolby Allard | 1 | First positive recorded appearance: 2018 · Anaheim, CA, USA | Source record |
| Konrad Schmidt | 1 | First positive recorded appearance: 2010 · Santa Rosa, CA, USA | Source record |
| Korey Lee | 1 | First positive recorded appearance: 2022 · Escondido, CA, USA | Source record |
| Kris Bubic | 1 | First positive recorded appearance: 2020 · Cupertino, CA, USA | Source record |
| Kris Johnson | 1 | First positive recorded appearance: 2013 · West Covina, CA, USA | Source record |
| Kris Medlen | 1 | First positive recorded appearance: 2009 · Artesia, CA, USA | Source record |
| Kurt Birkins | 1 | First positive recorded appearance: 2006 · West Hills, CA, USA | Source record |
| Kurt Stillwell | 1 | First positive recorded appearance: 1986 · Glendale, CA, USA | Source record |
| Kyle Barraclough | 1 | First positive recorded appearance: 2015 · Santa Clara, CA, USA | Source record |
| Kyle Dohy | 1 | First positive recorded appearance: 2021 · Arcadia, CA, USA | Source record |
| Kyle Dowdy | 1 | First positive recorded appearance: 2019 · Escondido, CA, USA | Source record |
| Kyle Garlick | 1 | First positive recorded appearance: 2019 · La Habra, CA, USA | Source record |
| Kyle Harrison | 1 | First positive recorded appearance: 2023 · San Jose, CA, USA | Source record |
| Kyle Hendricks | 1 | First positive recorded appearance: 2014 · Newport Beach, CA, USA | Source record |
| Kyle Higashioka | 1 | First positive recorded appearance: 2017 · Huntington Beach, CA, USA | Source record |
| Kyle Hurt | 1 | First positive recorded appearance: 2023 · Rancho Santa Fe, CA, USA | Source record |
| Kyle Isbel | 1 | First positive recorded appearance: 2021 · Fontana, CA, USA | Source record |
| Kyle Jensen | 1 | First positive recorded appearance: 2016 · Walnut Creek, CA, USA | Source record |
| Kyle Karros | 1 | First positive recorded appearance: 2025 · Los Angeles, CA, USA | Source record |
| Kyle Lloyd | 1 | First positive recorded appearance: 2017 · Sacramento, CA, USA | Source record |
| Kyle Lohse | 1 | First positive recorded appearance: 2001 · Chico, CA, USA | Source record |
| Kyle Nelson | 1 | First positive recorded appearance: 2020 · San Francisco, CA, USA | Source record |
| Kyle Phillips | 1 | First positive recorded appearance: 2009 · San Diego, CA, USA | Source record |
| Kyle Skipworth | 1 | First positive recorded appearance: 2013 · Riverside, CA, USA | Source record |
| Kyle Stowers | 1 | First positive recorded appearance: 2022 · El Cajon, CA, USA | Source record |
| Kyle Zimmer | 1 | First positive recorded appearance: 2019 · San Francisco, CA, USA | Source record |
| Kyren Paris | 1 | First positive recorded appearance: 2023 · Oakley, CA, USA | Source record |
| La Schelle Tarver | 1 | First positive recorded appearance: 1986 · Modesto, CA, USA | Source record |
| Lafayette Henion | 1 | First positive recorded appearance: 1919 · Eureka, CA, USA | Source record |
| Lance Dickson | 1 | First positive recorded appearance: 1990 · Fullerton, CA, USA | Source record |
| Larry Anderson | 1 | First positive recorded appearance: 1974 · Maywood, CA, USA | Source record |
| Larry Barnes | 1 | First positive recorded appearance: 2001 · Bakersfield, CA, USA | Source record |
| Larry Bettencourt | 1 | First positive recorded appearance: 1928 · Newark, CA, USA | Source record |
| Larry Bowa | 1 | First positive recorded appearance: 1970 · Sacramento, CA, USA | Source record |
| Larry Casian | 1 | First positive recorded appearance: 1990 · Lynwood, CA, USA | Source record |
| Larry Colton | 1 | First positive recorded appearance: 1968 · Los Angeles, CA, USA | Source record |
| Larry Demery | 1 | First positive recorded appearance: 1974 · Bakersfield, CA, USA | Source record |
| Larry Dierker | 1 | First positive recorded appearance: 1964 · Hollywood, CA, USA | Source record |
| Larry Elliot | 1 | First positive recorded appearance: 1962 · San Diego, CA, USA | Source record |
| Larry French | 1 | First positive recorded appearance: 1929 · Visalia, CA, USA | Source record |
| Larry Gonzales | 1 | First positive recorded appearance: 1993 · West Covina, CA, USA | Source record |
| Larry Lintz | 1 | First positive recorded appearance: 1973 · Martinez, CA, USA | Source record |
| Larry Maxie | 1 | First positive recorded appearance: 1969 · Upland, CA, USA | Source record |
| Larry See | 1 | First positive recorded appearance: 1986 · Norwalk, CA, USA | Source record |
| Larry Sherry | 1 | First positive recorded appearance: 1958 · Los Angeles, CA, USA | Source record |
| Larry Sutton | 1 | First positive recorded appearance: 1997 · West Covina, CA, USA | Source record |
| Larry White | 1 | First positive recorded appearance: 1983 · San Fernando, CA, USA | Source record |
| Lars Anderson | 1 | First positive recorded appearance: 2010 · Oakland, CA, USA | Source record |
| Lars Nootbaar | 1 | First positive recorded appearance: 2021 · El Segundo, CA, USA | Source record |
| LaRue Washington | 1 | First positive recorded appearance: 1978 · Long Beach, CA, USA | Source record |
| LaVel Freeman | 1 | First positive recorded appearance: 1989 · Oakland, CA, USA | Source record |
| Lee Bales | 1 | First positive recorded appearance: 1966 · Los Angeles, CA, USA | Source record |
| Lee Gregory | 1 | First positive recorded appearance: 1964 · Bakersfield, CA, USA | Source record |
| Lee Gronkiewicz | 1 | First positive recorded appearance: 2007 · Los Angeles, CA, USA | Source record |
| Lee Hancock | 1 | First positive recorded appearance: 1995 · North Hollywood, CA, USA | Source record |
| Lee McElwee | 1 | First positive recorded appearance: 1916 · La Mesa, CA, USA | Source record |
| Lee Walls | 1 | First positive recorded appearance: 1952 · San Diego, CA, USA | Source record |
| Lefty Gomez | 1 | First positive recorded appearance: 1930 · Rodeo, CA, USA | Source record |
| Lefty O'Doul | 1 | First positive recorded appearance: 1919 · San Francisco, CA, USA | Source record |
| Len Dondero | 1 | First positive recorded appearance: 1929 · Newark, CA, USA | Source record |
| Len Gabrielson | 1 | First positive recorded appearance: 1939 · Oakland, CA, USA | Source record |
| Len Gabrielson | 1 | First positive recorded appearance: 1960 · Oakland, CA, USA | Source record |
| Lenny Dykstra | 1 | First positive recorded appearance: 1985 · Santa Ana, CA, USA | Source record |
| Lenny Randle | 1 | First positive recorded appearance: 1971 · Long Beach, CA, USA | Source record |
| Leo Rosales | 1 | First positive recorded appearance: 2008 · Los Angeles, CA, USA | Source record |
| Leo Thomas | 1 | First positive recorded appearance: 1950 · Turlock, CA, USA | Source record |
| Leon Brown | 1 | First positive recorded appearance: 1976 · Sacramento, CA, USA | Source record |
| Leon Hooten | 1 | First positive recorded appearance: 1974 · Downey, CA, USA | Source record |
| Leron Lee | 1 | First positive recorded appearance: 1969 · Bakersfield, CA, USA | Source record |
| Les Cain | 1 | First positive recorded appearance: 1968 · San Luis Obispo, CA, USA | Source record |
| Les Munns | 1 | First positive recorded appearance: 1934 · Fort Bragg, CA, USA | Source record |
| Les Scarsella | 1 | First positive recorded appearance: 1935 · Santa Cruz, CA, USA | Source record |
| Les Webber | 1 | First positive recorded appearance: 1942 · Kelseyville, CA, USA | Source record |
| Lew Fonseca | 1 | First positive recorded appearance: 1921 · Oakland, CA, USA | Source record |
| Lin Storti | 1 | First positive recorded appearance: 1930 · Santa Monica, CA, USA | Source record |
| Linc Blakely | 1 | First positive recorded appearance: 1934 · Oakland, CA, USA | Source record |
| Lloyd Allen | 1 | First positive recorded appearance: 1969 · Merced, CA, USA | Source record |
| Lloyd Hittle | 1 | First positive recorded appearance: 1949 · Acampo, CA, USA | Source record |
| Lloyd Johnson | 1 | First positive recorded appearance: 1934 · Santa Rosa, CA, USA | Source record |
| Lloyd Merriman | 1 | First positive recorded appearance: 1949 · Clovis, CA, USA | Source record |
| Logan Gillaspie | 1 | First positive recorded appearance: 2022 · Bakersfield, CA, USA | Source record |
| Logan Schafer | 1 | First positive recorded appearance: 2011 · San Jose, CA, USA | Source record |
| Logan Webb | 1 | First positive recorded appearance: 2019 · Rocklin, CA, USA | Source record |
| Lou Berberet | 1 | First positive recorded appearance: 1954 · Long Beach, CA, USA | Source record |
| Lou Guisto | 1 | First positive recorded appearance: 1916 · Napa, CA, USA | Source record |
| Lou Marone | 1 | First positive recorded appearance: 1969 · San Diego, CA, USA | Source record |
| Lou Rosenberg | 1 | First positive recorded appearance: 1923 · San Francisco, CA, USA | Source record |
| Lowell Palmer | 1 | First positive recorded appearance: 1969 · Sacramento, CA, USA | Source record |
| Loyd Christopher | 1 | First positive recorded appearance: 1945 · Richmond, CA, USA | Source record |
| Lucas Duda | 1 | First positive recorded appearance: 2010 · Los Angeles, CA, USA | Source record |
| Lucas Erceg | 1 | First positive recorded appearance: 2023 · San Jose, CA, USA | Source record |
| Lucas Giolito | 1 | First positive recorded appearance: 2016 · Santa Monica, CA, USA | Source record |
| Luis Medina | 1 | First positive recorded appearance: 1988 · Santa Monica, CA, USA | Source record |
| Luis Ortiz | 1 | First positive recorded appearance: 2018 · Sanger, CA, USA | Source record |
| Luke Barker | 1 | First positive recorded appearance: 2022 · Chico, CA, USA | Source record |
| Luke Glavenich | 1 | First positive recorded appearance: 1913 · Jackson, CA, USA | Source record |
| Luke Hudson | 1 | First positive recorded appearance: 2002 · Fountain Valley, CA, USA | Source record |
| Luke Keaschall | 1 | First positive recorded appearance: 2025 · Watsonville, CA, USA | Source record |
| Lyn Lary | 1 | First positive recorded appearance: 1929 · Armona, CA, USA | Source record |
| Manny Parra | 1 | First positive recorded appearance: 2007 · Carmichael, CA, USA | Source record |
| Manny Salvo | 1 | First positive recorded appearance: 1939 · Sacramento, CA, USA | Source record |
| Marc Newfield | 1 | First positive recorded appearance: 1993 · Sacramento, CA, USA | Source record |
| Marc Rzepczynski | 1 | First positive recorded appearance: 2009 · Yorba Linda, CA, USA | Source record |
| Marcel Lachemann | 1 | First positive recorded appearance: 1969 · Los Angeles, CA, USA | Source record |
| Marcelo Mayer | 1 | First positive recorded appearance: 2025 · Chula Vista, CA, USA | Source record |
| Marcus Giles | 1 | First positive recorded appearance: 2001 · San Diego, CA, USA | Source record |
| Marcus Jensen | 1 | First positive recorded appearance: 1996 · Oakland, CA, USA | Source record |
| Marcus Jones | 1 | First positive recorded appearance: 2000 · Bellflower, CA, USA | Source record |
| Marcus Moore | 1 | First positive recorded appearance: 1993 · Oakland, CA, USA | Source record |
| Marcus Semien | 1 | First positive recorded appearance: 2013 · San Francisco, CA, USA | Source record |
| Marcus Walden | 1 | First positive recorded appearance: 2018 · Fresno, CA, USA | Source record |
| Marcus Wilson | 1 | First positive recorded appearance: 2022 · Los Angeles, CA, USA | Source record |
| Mario Hollands | 1 | First positive recorded appearance: 2014 · Oakland, CA, USA | Source record |
| Mark Acre | 1 | First positive recorded appearance: 1994 · Concord, CA, USA | Source record |
| Mark Ballinger | 1 | First positive recorded appearance: 1971 · Glendale, CA, USA | Source record |
| Mark Brouhard | 1 | First positive recorded appearance: 1980 · Burbank, CA, USA | Source record |
| Mark Canha | 1 | First positive recorded appearance: 2015 · San Jose, CA, USA | Source record |
| Mark Clear | 1 | First positive recorded appearance: 1979 · Los Angeles, CA, USA | Source record |
| Mark Contreras | 1 | First positive recorded appearance: 2022 · Moreno Valley, CA, USA | Source record |
| Mark Creegan | 1 | First positive recorded appearance: 1884 · San Francisco, CA, USA | Source record |
| Mark Davis | 1 | First positive recorded appearance: 1980 · Livermore, CA, USA | Source record |
| Mark Davis | 1 | First positive recorded appearance: 1991 · San Diego, CA, USA | Source record |
| Mark Eichhorn | 1 | First positive recorded appearance: 1982 · San Jose, CA, USA | Source record |
| Mark Gardner | 1 | First positive recorded appearance: 1989 · Los Angeles, CA, USA | Source record |
| Mark Kiefer | 1 | First positive recorded appearance: 1993 · Orange, CA, USA | Source record |
| Mark Koenig | 1 | First positive recorded appearance: 1925 · San Francisco, CA, USA | Source record |
| Mark Kotsay | 1 | First positive recorded appearance: 1997 · Whittier, CA, USA | Source record |
| Mark Langston | 1 | First positive recorded appearance: 1984 · San Diego, CA, USA | Source record |
| Mark Lee | 1 | First positive recorded appearance: 1978 · Inglewood, CA, USA | Source record |
| Mark Leonard | 1 | First positive recorded appearance: 1990 · Mountain View, CA, USA | Source record |
| Mark Loretta | 1 | First positive recorded appearance: 1995 · Santa Monica, CA, USA | Source record |
| Mark Mathias | 1 | First positive recorded appearance: 2020 · Santa Clara, CA, USA | Source record |
| Mark McGwire | 1 | First positive recorded appearance: 1986 · Pomona, CA, USA | Source record |
| Mark McLemore | 1 | First positive recorded appearance: 1986 · San Diego, CA, USA | Source record |
| Mark McLemore | 1 | First positive recorded appearance: 2007 · Sacramento, CA, USA | Source record |
| Mark Portugal | 1 | First positive recorded appearance: 1985 · Los Angeles, CA, USA | Source record |
| Mark Prior | 1 | First positive recorded appearance: 2002 · San Diego, CA, USA | Source record |
| Mark Quinn | 1 | First positive recorded appearance: 1999 · La Mirada, CA, USA | Source record |
| Mark Redman | 1 | First positive recorded appearance: 1999 · San Diego, CA, USA | Source record |
| Mark Salas | 1 | First positive recorded appearance: 1984 · Montebello, CA, USA | Source record |
| Mark Schaeffer | 1 | First positive recorded appearance: 1972 · Santa Monica, CA, USA | Source record |
| Mark Smith | 1 | First positive recorded appearance: 1994 · Pasadena, CA, USA | Source record |
| Mark Souza | 1 | First positive recorded appearance: 1980 · Redwood City, CA, USA | Source record |
| Mark Teahen | 1 | First positive recorded appearance: 2005 · Redlands, CA, USA | Source record |
| Mark Trumbo | 1 | First positive recorded appearance: 2010 · Anaheim, CA, USA | Source record |
| Mark Wasinger | 1 | First positive recorded appearance: 1986 · Monterey, CA, USA | Source record |
| Mark Wiley | 1 | First positive recorded appearance: 1975 · National City, CA, USA | Source record |
| Marlan Coughtry | 1 | First positive recorded appearance: 1960 · Hollywood, CA, USA | Source record |
| Marshall Brant | 1 | First positive recorded appearance: 1980 · Garberville, CA, USA | Source record |
| Marty Barrett | 1 | First positive recorded appearance: 1982 · Arcadia, CA, USA | Source record |
| Marty Castillo | 1 | First positive recorded appearance: 1981 · Long Beach, CA, USA | Source record |
| Marty Decker | 1 | First positive recorded appearance: 1983 · Upland, CA, USA | Source record |
| Marty Griffin | 1 | First positive recorded appearance: 1928 · San Francisco, CA, USA | Source record |
| Marty Keough | 1 | First positive recorded appearance: 1956 · Oakland, CA, USA | Source record |
| Marty Perez | 1 | First positive recorded appearance: 1969 · Visalia, CA, USA | Source record |
| Marv Grissom | 1 | First positive recorded appearance: 1946 · Los Molinos, CA, USA | Source record |
| Marv Owen | 1 | First positive recorded appearance: 1931 · Agnew, CA, USA | Source record |
| Matt Andriese | 1 | First positive recorded appearance: 2015 · Redlands, CA, USA | Source record |
| Matt Beech | 1 | First positive recorded appearance: 1996 · Oakland, CA, USA | Source record |
| Matt Bush | 1 | First positive recorded appearance: 2016 · San Diego, CA, USA | Source record |
| Matt Carson | 1 | First positive recorded appearance: 2009 · Newport Beach, CA, USA | Source record |
| Matt Chapman | 1 | First positive recorded appearance: 2017 · Victorville, CA, USA | Source record |
| Matt Chico | 1 | First positive recorded appearance: 2007 · Fullerton, CA, USA | Source record |
| Matt Clark | 1 | First positive recorded appearance: 2014 · West Covina, CA, USA | Source record |
| Matt Davidson | 1 | First positive recorded appearance: 2013 · Yucaipa, CA, USA | Source record |
| Matt DeWitt | 1 | First positive recorded appearance: 2000 · San Bernardino, CA, USA | Source record |
| Matt Dominguez | 1 | First positive recorded appearance: 2011 · Chatsworth, CA, USA | Source record |
| Matt Duffy | 1 | First positive recorded appearance: 2014 · Long Beach, CA, USA | Source record |
| Matt Franco | 1 | First positive recorded appearance: 1995 · Santa Monica, CA, USA | Source record |
| Matt Garza | 1 | First positive recorded appearance: 2006 · Selma, CA, USA | Source record |
| Matt Grace | 1 | First positive recorded appearance: 2015 · Palos Verdes Estates, CA, USA | Source record |
| Matt Hensley | 1 | First positive recorded appearance: 2004 · San Diego, CA, USA | Source record |
| Matt Keough | 1 | First positive recorded appearance: 1977 · Pomona, CA, USA | Source record |
| Matt Krook | 1 | First positive recorded appearance: 2023 · Hillsborough, CA, USA | Source record |
| Matt Luke | 1 | First positive recorded appearance: 1996 · Long Beach, CA, USA | Source record |
| Matt Magill | 1 | First positive recorded appearance: 2013 · Simi Valley, CA, USA | Source record |
| Matt Manning | 1 | First positive recorded appearance: 2021 · Sacramento, CA, USA | Source record |
| Matt McLain | 1 | First positive recorded appearance: 2023 · Orange, CA, USA | Source record |
| Matt Nokes | 1 | First positive recorded appearance: 1985 · San Diego, CA, USA | Source record |
| Matt Riley | 1 | First positive recorded appearance: 1999 · Antioch, CA, USA | Source record |
| Matt Sauer | 1 | First positive recorded appearance: 2024 · Santa Maria, CA, USA | Source record |
| Matt Stark | 1 | First positive recorded appearance: 1987 · Whittier, CA, USA | Source record |
| Matt Treanor | 1 | First positive recorded appearance: 2004 · Garden Grove, CA, USA | Source record |
| Matt Walbeck | 1 | First positive recorded appearance: 1993 · Sacramento, CA, USA | Source record |
| Matt Whisenant | 1 | First positive recorded appearance: 1997 · Los Angeles, CA, USA | Source record |
| Matt Williams | 1 | First positive recorded appearance: 1987 · Bishop, CA, USA | Source record |
| Matt Wise | 1 | First positive recorded appearance: 2000 · Montclair, CA, USA | Source record |
| Matt Young | 1 | First positive recorded appearance: 1983 · Pasadena, CA, USA | Source record |
| Max Fried | 1 | First positive recorded appearance: 2017 · Santa Monica, CA, USA | Source record |
| Max Muncy | 1 | First positive recorded appearance: 2025 · Camarillo, CA, USA | Source record |
| Max Stassi | 1 | First positive recorded appearance: 2013 · Woodland, CA, USA | Source record |
| McKay Christensen | 1 | First positive recorded appearance: 1999 · Upland, CA, USA | Source record |
| Mel Mazzera | 1 | First positive recorded appearance: 1935 · Stockton, CA, USA | Source record |
| Mel Nelson | 1 | First positive recorded appearance: 1960 · San Diego, CA, USA | Source record |
| Merl Combs | 1 | First positive recorded appearance: 1947 · Los Angeles, CA, USA | Source record |
| Merv Connors | 1 | First positive recorded appearance: 1937 · Berkeley, CA, USA | Source record |
| Merv Shea | 1 | First positive recorded appearance: 1927 · San Francisco, CA, USA | Source record |
| Micah Franklin | 1 | First positive recorded appearance: 1997 · San Francisco, CA, USA | Source record |
| Michael Brady | 1 | First positive recorded appearance: 2017 · Laguna Beach, CA, USA | Source record |
| Michael Lorenzen | 1 | First positive recorded appearance: 2015 · Anaheim, CA, USA | Source record |
| Michael Mariot | 1 | First positive recorded appearance: 2014 · West Hills, CA, USA | Source record |
| Michael McGreevy | 1 | First positive recorded appearance: 2024 · San Clemente, CA, USA | Source record |
| Michael Neu | 1 | First positive recorded appearance: 2003 · Napa, CA, USA | Source record |
| Michael Tonkin | 1 | First positive recorded appearance: 2013 · Glendale, CA, USA | Source record |
| Michael Young | 1 | First positive recorded appearance: 2000 · Covina, CA, USA | Source record |
| Mickey Klutts | 1 | First positive recorded appearance: 1976 · Montebello, CA, USA | Source record |
| Mickey McDonald | 1 | First positive recorded appearance: 2022 · San Mateo, CA, USA | Source record |
| Mickey Moniak | 1 | First positive recorded appearance: 2020 · Encinitas, CA, USA | Source record |
| Mike Adamson | 1 | First positive recorded appearance: 1967 · San Diego, CA, USA | Source record |
| Mike Aldrete | 1 | First positive recorded appearance: 1986 · Carmel, CA, USA | Source record |
| Mike Andrews | 1 | First positive recorded appearance: 1966 · Los Angeles, CA, USA | Source record |
| Mike Baxes | 1 | First positive recorded appearance: 1956 · San Francisco, CA, USA | Source record |
| Mike Bishop | 1 | First positive recorded appearance: 1983 · Santa Maria, CA, USA | Source record |
| Mike Bovee | 1 | First positive recorded appearance: 1997 · San Diego, CA, USA | Source record |
| Mike Brown | 1 | First positive recorded appearance: 1983 · San Francisco, CA, USA | Source record |
| Mike Burns | 1 | First positive recorded appearance: 2005 · Westminster, CA, USA | Source record |
| Mike Busby | 1 | First positive recorded appearance: 1996 · Lomita, CA, USA | Source record |
| Mike Buskey | 1 | First positive recorded appearance: 1977 · San Francisco, CA, USA | Source record |
| Mike Carp | 1 | First positive recorded appearance: 2009 · Long Beach, CA, USA | Source record |
| Mike Cather | 1 | First positive recorded appearance: 1997 · San Diego, CA, USA | Source record |
| Mike Chris | 1 | First positive recorded appearance: 1979 · Santa Monica, CA, USA | Source record |
| Mike Colbern | 1 | First positive recorded appearance: 1978 · Santa Monica, CA, USA | Source record |
| Mike Corkins | 1 | First positive recorded appearance: 1969 · Riverside, CA, USA | Source record |
| Mike Couchee | 1 | First positive recorded appearance: 1983 · San Jose, CA, USA | Source record |
| Mike Crudale | 1 | First positive recorded appearance: 2002 · San Diego, CA, USA | Source record |
| Mike Dalton | 1 | First positive recorded appearance: 1991 · Palo Alto, CA, USA | Source record |
| Mike Darr | 1 | First positive recorded appearance: 1977 · Pomona, CA, USA | Source record |
| Mike Darr | 1 | First positive recorded appearance: 1999 · Corona, CA, USA | Source record |
| Mike Davis | 1 | First positive recorded appearance: 1980 · San Diego, CA, USA | Source record |
| Mike DePangher | 1 | First positive recorded appearance: 1884 · Marysville, CA, USA | Source record |
| Mike Diaz | 1 | First positive recorded appearance: 1983 · San Francisco, CA, USA | Source record |
| Mike Dyer | 1 | First positive recorded appearance: 1989 · Upland, CA, USA | Source record |
| Mike Esposito | 1 | First positive recorded appearance: 2005 · Los Angeles, CA, USA | Source record |
| Mike Felder | 1 | First positive recorded appearance: 1985 · Vallejo, CA, USA | Source record |
| Mike Fetters | 1 | First positive recorded appearance: 1989 · Van Nuys, CA, USA | Source record |
| Mike Fischlin | 1 | First positive recorded appearance: 1977 · Sacramento, CA, USA | Source record |
| Mike Fitzgerald | 1 | First positive recorded appearance: 1983 · Long Beach, CA, USA | Source record |
| Mike Frank | 1 | First positive recorded appearance: 1998 · Pomona, CA, USA | Source record |
| Mike Fyhrie | 1 | First positive recorded appearance: 1996 · Long Beach, CA, USA | Source record |
| Mike Gallego | 1 | First positive recorded appearance: 1985 · Whittier, CA, USA | Source record |
| Mike Gallo | 1 | First positive recorded appearance: 2003 · Long Beach, CA, USA | Source record |
| Mike Garcia | 1 | First positive recorded appearance: 1948 · San Gabriel, CA, USA | Source record |
| Mike Garcia | 1 | First positive recorded appearance: 1999 · Riverside, CA, USA | Source record |
| Mike Gates | 1 | First positive recorded appearance: 1981 · Culver City, CA, USA | Source record |
| Mike Griffin | 1 | First positive recorded appearance: 1979 · Colusa, CA, USA | Source record |
| Mike Harkey | 1 | First positive recorded appearance: 1988 · San Diego, CA, USA | Source record |
| Mike Hartley | 1 | First positive recorded appearance: 1989 · Hawthorne, CA, USA | Source record |
| Mike Hessman | 1 | First positive recorded appearance: 2003 · Fountain Valley, CA, USA | Source record |
| Mike Jacobs | 1 | First positive recorded appearance: 2005 · Chula Vista, CA, USA | Source record |
| Mike Judd | 1 | First positive recorded appearance: 1997 · San Diego, CA, USA | Source record |
| Mike Kekich | 1 | First positive recorded appearance: 1965 · San Diego, CA, USA | Source record |
| Mike Kelly | 1 | First positive recorded appearance: 1994 · Los Angeles, CA, USA | Source record |
| Mike Krukow | 1 | First positive recorded appearance: 1976 · Long Beach, CA, USA | Source record |
| Mike LaCoss | 1 | First positive recorded appearance: 1978 · Glendale, CA, USA | Source record |
| Mike Lamb | 1 | First positive recorded appearance: 2000 · West Covina, CA, USA | Source record |
| Mike Leake | 1 | First positive recorded appearance: 2010 · San Diego, CA, USA | Source record |
| Mike Lee | 1 | First positive recorded appearance: 1960 · Bell, CA, USA | Source record |
| Mike Lieberthal | 1 | First positive recorded appearance: 1994 · Glendale, CA, USA | Source record |
| Mike Lincoln | 1 | First positive recorded appearance: 1999 · Carmichael, CA, USA | Source record |
| Mike Macfarlane | 1 | First positive recorded appearance: 1987 · Stockton, CA, USA | Source record |
| Mike Magnante | 1 | First positive recorded appearance: 1991 · Glendale, CA, USA | Source record |
| Mike Marjama | 1 | First positive recorded appearance: 2017 · Roseville, CA, USA | Source record |
| Mike McCormick | 1 | First positive recorded appearance: 1940 · Angel's Camp, CA, USA | Source record |
| Mike McCormick | 1 | First positive recorded appearance: 1956 · Pasadena, CA, USA | Source record |
| Mike McCoy | 1 | First positive recorded appearance: 2009 · San Diego, CA, USA | Source record |
| Mike Mendoza | 1 | First positive recorded appearance: 1979 · Inglewood, CA, USA | Source record |
| Mike Miller | 1 | First positive recorded appearance: 2016 · Concord, CA, USA | Source record |
| Mike Misuraca | 1 | First positive recorded appearance: 1997 · Long Beach, CA, USA | Source record |
| Mike Montgomery | 1 | First positive recorded appearance: 2015 · Mission Hills, CA, USA | Source record |
| Mike Morgan | 1 | First positive recorded appearance: 1978 · Tulare, CA, USA | Source record |
| Mike Moustakas | 1 | First positive recorded appearance: 2011 · Los Angeles, CA, USA | Source record |
| Mike Munoz | 1 | First positive recorded appearance: 1989 · Baldwin Park, CA, USA | Source record |
| Mike Norris | 1 | First positive recorded appearance: 1975 · San Francisco, CA, USA | Source record |
| Mike Parrott | 1 | First positive recorded appearance: 1977 · Oxnard, CA, USA | Source record |
| Mike Patterson | 1 | First positive recorded appearance: 1981 · Santa Monica, CA, USA | Source record |
| Mike Potter | 1 | First positive recorded appearance: 1976 · Montebello, CA, USA | Source record |
| Mike Reinbach | 1 | First positive recorded appearance: 1974 · San Diego, CA, USA | Source record |
| Mike Richardt | 1 | First positive recorded appearance: 1980 · North Hollywood, CA, USA | Source record |
| Mike Rose | 1 | First positive recorded appearance: 2004 · Sacramento, CA, USA | Source record |
| Mike Rouse | 1 | First positive recorded appearance: 2006 · San Jose, CA, USA | Source record |
| Mike Saipe | 1 | First positive recorded appearance: 1998 · San Diego, CA, USA | Source record |
| Mike Schooler | 1 | First positive recorded appearance: 1988 · Anaheim, CA, USA | Source record |
| Mike Schultz | 1 | First positive recorded appearance: 2007 · Van Nuys, CA, USA | Source record |
| Mike Scott | 1 | First positive recorded appearance: 1979 · Santa Monica, CA, USA | Source record |
| Mike Simms | 1 | First positive recorded appearance: 1990 · Orange, CA, USA | Source record |
| Mike Sweeney | 1 | First positive recorded appearance: 1995 · Orange, CA, USA | Source record |
| Mike Thomas | 1 | First positive recorded appearance: 1995 · Sacramento, CA, USA | Source record |
| Mike Tonis | 1 | First positive recorded appearance: 2004 · Sacramento, CA, USA | Source record |
| Mike Vail | 1 | First positive recorded appearance: 1975 · San Francisco, CA, USA | Source record |
| Mike Warren | 1 | First positive recorded appearance: 1983 · Inglewood, CA, USA | Source record |
| Mike Witt | 1 | First positive recorded appearance: 1981 · Fullerton, CA, USA | Source record |
| Mike Young | 1 | First positive recorded appearance: 1982 · Oakland, CA, USA | Source record |
| Miles Mastrobuoni | 1 | First positive recorded appearance: 2022 · San Ramon, CA, USA | Source record |
| Milo Candini | 1 | First positive recorded appearance: 1943 · Manteca, CA, USA | Source record |
| Milt Steengrafe | 1 | First positive recorded appearance: 1924 · San Francisco, CA, USA | Source record |
| Milton Bradley | 1 | First positive recorded appearance: 2000 · Harbor City, CA, USA | Source record |
| Mitch Haniger | 1 | First positive recorded appearance: 2016 · Mountain View, CA, USA | Source record |
| Mitch Walding | 1 | First positive recorded appearance: 2018 · Lodi, CA, USA | Source record |
| Mitch White | 1 | First positive recorded appearance: 2020 · San Jose, CA, USA | Source record |
| Mitch Williams | 1 | First positive recorded appearance: 1986 · Santa Ana, CA, USA | Source record |
| Mitchell Page | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| Monte Pearson | 1 | First positive recorded appearance: 1932 · Oakland, CA, USA | Source record |
| Morgan Ensberg | 1 | First positive recorded appearance: 2000 · Redondo Beach, CA, USA | Source record |
| Morris Nettles | 1 | First positive recorded appearance: 1974 · Los Angeles, CA, USA | Source record |
| Myles Straw | 1 | First positive recorded appearance: 2018 · Garden Grove, CA, USA | Source record |
| Myril Hoag | 1 | First positive recorded appearance: 1931 · Davis, CA, USA | Source record |
| Myron White | 1 | First positive recorded appearance: 1978 · Long Beach, CA, USA | Source record |
| Nacho Alvarez | 1 | First positive recorded appearance: 2024 · Fontana, CA, USA | Source record |
| Nanny Fernandez | 1 | First positive recorded appearance: 1942 · Wilmington, CA, USA | Source record |
| Nathan Church | 1 | First positive recorded appearance: 2025 · Newport Beach, CA, USA | Source record |
| Nathan Haynes | 1 | First positive recorded appearance: 2007 · Oakland, CA, USA | Source record |
| Ned Yost | 1 | First positive recorded appearance: 1980 · Eureka, CA, USA | Source record |
| Neil Weber | 1 | First positive recorded appearance: 1998 · Newport Beach, CA, USA | Source record |
| Neill Sheridan | 1 | First positive recorded appearance: 1948 · Sacramento, CA, USA | Source record |
| Nelson Briles | 1 | First positive recorded appearance: 1965 · Dorris, CA, USA | Source record |
| Nick Allen | 1 | First positive recorded appearance: 2022 · San Diego, CA, USA | Source record |
| Nick Avila | 1 | First positive recorded appearance: 2024 · Modesto, CA, USA | Source record |
| Nick Bierbrodt | 1 | First positive recorded appearance: 2001 · Tarzana, CA, USA | Source record |
| Nick Dumovich | 1 | First positive recorded appearance: 1923 · Sacramento, CA, USA | Source record |
| Nick Duron | 1 | First positive recorded appearance: 2022 · Salinas, CA, USA | Source record |
| Nick Johnson | 1 | First positive recorded appearance: 2001 · Sacramento, CA, USA | Source record |
| Nick Lodolo | 1 | First positive recorded appearance: 2022 · La Verne, CA, USA | Source record |
| Nick Madrigal | 1 | First positive recorded appearance: 2020 · Sacramento, CA, USA | Source record |
| Nick Mears | 1 | First positive recorded appearance: 2020 · Sacramento, CA, USA | Source record |
| Nick Nastrini | 1 | First positive recorded appearance: 2024 · San Jose, CA, USA | Source record |
| Nick Neugebauer | 1 | First positive recorded appearance: 2001 · Riverside, CA, USA | Source record |
| Nick Noonan | 1 | First positive recorded appearance: 2013 · Poway, CA, USA | Source record |
| Nick Pratto | 1 | First positive recorded appearance: 2022 · Huntington Beach, CA, USA | Source record |
| Nick Punto | 1 | First positive recorded appearance: 2001 · San Diego, CA, USA | Source record |
| Nick Ramirez | 1 | First positive recorded appearance: 2019 · Anaheim Hills, CA, USA | Source record |
| Nick Sogard | 1 | First positive recorded appearance: 2024 · Los Angeles, CA, USA | Source record |
| Nick Vincent | 1 | First positive recorded appearance: 2012 · Poway, CA, USA | Source record |
| Nick Wittgren | 1 | First positive recorded appearance: 2016 · Torrance, CA, USA | Source record |
| Nick Yorke | 1 | First positive recorded appearance: 2024 · Newport Beach, CA, USA | Source record |
| Nico Hoerner | 1 | First positive recorded appearance: 2019 · Oakland, CA, USA | Source record |
| Nik Turley | 1 | First positive recorded appearance: 2017 · La Canada, CA, USA | Source record |
| Nikco Riesgo | 1 | First positive recorded appearance: 1991 · Long Beach, CA, USA | Source record |
| Nippy Jones | 1 | First positive recorded appearance: 1946 · Los Angeles, CA, USA | Source record |
| Noah Davis | 1 | First positive recorded appearance: 2022 · Newport Beach, CA, USA | Source record |
| Noah Lowry | 1 | First positive recorded appearance: 2003 · Ventura, CA, USA | Source record |
| Noe Ramirez | 1 | First positive recorded appearance: 2015 · Los Angeles, CA, USA | Source record |
| Nolan Arenado | 1 | First positive recorded appearance: 2013 · Newport Beach, CA, USA | Source record |
| Nomar Garciaparra | 1 | First positive recorded appearance: 1996 · Whittier, CA, USA | Source record |
| Norm Angelini | 1 | First positive recorded appearance: 1972 · San Francisco, CA, USA | Source record |
| Norm Miller | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Nyjer Morgan | 1 | First positive recorded appearance: 2007 · San Francisco, CA, USA | Source record |
| O'Koyea Dickson | 1 | First positive recorded appearance: 2017 · San Francisco, CA, USA | Source record |
| Odell Jones | 1 | First positive recorded appearance: 1975 · Tulare, CA, USA | Source record |
| Orion Kerkering | 1 | First positive recorded appearance: 2023 · Huntington Beach, CA, USA | Source record |
| Orval Overall | 1 | First positive recorded appearance: 1905 · Farmersville, CA, USA | Source record |
| Oscar Brown | 1 | First positive recorded appearance: 1969 · Long Beach, CA, USA | Source record |
| Oscar Stanage | 1 | First positive recorded appearance: 1906 · Tulare, CA, USA | Source record |
| Oscar Westerberg | 1 | First positive recorded appearance: 1907 · Alameda, CA, USA | Source record |
| Ossie Vitt | 1 | First positive recorded appearance: 1912 · San Francisco, CA, USA | Source record |
| Otto Kemp | 1 | First positive recorded appearance: 2025 · Fullerton, CA, USA | Source record |
| Parker Markel | 1 | First positive recorded appearance: 2019 · Newport Beach, CA, USA | Source record |
| Pat Ahearne | 1 | First positive recorded appearance: 1995 · San Francisco, CA, USA | Source record |
| Pat Clements | 1 | First positive recorded appearance: 1985 · McCloud, CA, USA | Source record |
| Pat Corrales | 1 | First positive recorded appearance: 1964 · Los Angeles, CA, USA | Source record |
| Pat Dodson | 1 | First positive recorded appearance: 1986 · Santa Monica, CA, USA | Source record |
| Pat Gomez | 1 | First positive recorded appearance: 1993 · Roseville, CA, USA | Source record |
| Pat Jacquez | 1 | First positive recorded appearance: 1971 · Stockton, CA, USA | Source record |
| Pat Kelly | 1 | First positive recorded appearance: 1980 · Santa Maria, CA, USA | Source record |
| Pat Larkin | 1 | First positive recorded appearance: 1983 · Arcadia, CA, USA | Source record |
| Pat Valaika | 1 | First positive recorded appearance: 2016 · Valencia, CA, USA | Source record |
| Patrick Sandoval | 1 | First positive recorded appearance: 2019 · Mission Viejo, CA, USA | Source record |
| Patrick Weigel | 1 | First positive recorded appearance: 2020 · Thousand Oaks, CA, USA | Source record |
| Patrick Wisdom | 1 | First positive recorded appearance: 2018 · Murrieta, CA, USA | Source record |
| Paul Abbott | 1 | First positive recorded appearance: 1990 · Van Nuys, CA, USA | Source record |
| Paul Blackburn | 1 | First positive recorded appearance: 2017 · Antioch, CA, USA | Source record |
| Paul Faries | 1 | First positive recorded appearance: 1990 · Berkeley, CA, USA | Source record |
| Paul McAnulty | 1 | First positive recorded appearance: 2005 · Oxnard, CA, USA | Source record |
| Paul McClellan | 1 | First positive recorded appearance: 1990 · San Mateo, CA, USA | Source record |
| Paul Noce | 1 | First positive recorded appearance: 1987 · San Francisco, CA, USA | Source record |
| Paul Pettit | 1 | First positive recorded appearance: 1951 · Los Angeles, CA, USA | Source record |
| Paul Ratliff | 1 | First positive recorded appearance: 1963 · San Diego, CA, USA | Source record |
| Paul Serna | 1 | First positive recorded appearance: 1981 · El Centro, CA, USA | Source record |
| Paul Skenes | 1 | First positive recorded appearance: 2024 · Fullerton, CA, USA | Source record |
| Paul Swingle | 1 | First positive recorded appearance: 1993 · Inglewood, CA, USA | Source record |
| Paul Thormodsgard | 1 | First positive recorded appearance: 1977 · San Francisco, CA, USA | Source record |
| Paul Zuvella | 1 | First positive recorded appearance: 1982 · San Mateo, CA, USA | Source record |
| Peanuts Lowrey | 1 | First positive recorded appearance: 1942 · Culver City, CA, USA | Source record |
| Pete Coscarart | 1 | First positive recorded appearance: 1938 · Escondido, CA, USA | Source record |
| Pete Crow-Armstrong | 1 | First positive recorded appearance: 2023 · Sherman Oaks, CA, USA | Source record |
| Pete Daglia | 1 | First positive recorded appearance: 1932 · Napa, CA, USA | Source record |
| Pete Dalena | 1 | First positive recorded appearance: 1989 · Fresno, CA, USA | Source record |
| Pete Daley | 1 | First positive recorded appearance: 1955 · Grass Valley, CA, USA | Source record |
| Pete Incaviglia | 1 | First positive recorded appearance: 1986 · Pebble Beach, CA, USA | Source record |
| Pete LaCock | 1 | First positive recorded appearance: 1972 · Burbank, CA, USA | Source record |
| Pete Magrini | 1 | First positive recorded appearance: 1966 · San Francisco, CA, USA | Source record |
| Pete Meegan | 1 | First positive recorded appearance: 1884 · San Francisco, CA, USA | Source record |
| Pete O'Brien | 1 | First positive recorded appearance: 1982 · Santa Monica, CA, USA | Source record |
| Pete Redfern | 1 | First positive recorded appearance: 1976 · Glendale, CA, USA | Source record |
| Pete Schneider | 1 | First positive recorded appearance: 1914 · Los Angeles, CA, USA | Source record |
| Pete Scott | 1 | First positive recorded appearance: 1926 · Woodland, CA, USA | Source record |
| Pete Sweeney | 1 | First positive recorded appearance: 1888 · San Mateo, CA, USA | Source record |
| Peter Lambert | 1 | First positive recorded appearance: 2019 · San Dimas, CA, USA | Source record |
| Petey Halpin | 1 | First positive recorded appearance: 2025 · San Mateo, CA, USA | Source record |
| Phil Bickford | 1 | First positive recorded appearance: 2020 · Ventura, CA, USA | Source record |
| Phil Coke | 1 | First positive recorded appearance: 2008 · Sonora, CA, USA | Source record |
| Phil Dumatrait | 1 | First positive recorded appearance: 2007 · Bakersfield, CA, USA | Source record |
| Phil Hughes | 1 | First positive recorded appearance: 2007 · Mission Viejo, CA, USA | Source record |
| Phil Knell | 1 | First positive recorded appearance: 1888 · Mill Valley, CA, USA | Source record |
| Phil Nevin | 1 | First positive recorded appearance: 1995 · Fullerton, CA, USA | Source record |
| Phillip Evans | 1 | First positive recorded appearance: 2017 · Whittier, CA, USA | Source record |
| Pierson Ohl | 1 | First positive recorded appearance: 2025 · Moorpark, CA, USA | Source record |
| Ping Bodie | 1 | First positive recorded appearance: 1911 · San Francisco, CA, USA | Source record |
| Pinky Jorgensen | 1 | First positive recorded appearance: 1937 · Laton, CA, USA | Source record |
| Pop Swett | 1 | First positive recorded appearance: 1890 · San Francisco, CA, USA | Source record |
| Preston Guilmet | 1 | First positive recorded appearance: 2013 · Roseville, CA, USA | Source record |
| Prince Fielder | 1 | First positive recorded appearance: 2005 · Ontario, CA, USA | Source record |
| Quinn Mack | 1 | First positive recorded appearance: 1994 · Los Angeles, CA, USA | Source record |
| Quintin Berry | 1 | First positive recorded appearance: 2012 · San Diego, CA, USA | Source record |
| R. J. Reynolds | 1 | First positive recorded appearance: 1983 · Sacramento, CA, USA | Source record |
| Rafael Flores | 1 | First positive recorded appearance: 2025 · Anaheim, CA, USA | Source record |
| Rafael Martin | 1 | First positive recorded appearance: 2015 · San Fernando, CA, USA | Source record |
| Ralph Garcia | 1 | First positive recorded appearance: 1972 · Los Angeles, CA, USA | Source record |
| Ralph Schwamb | 1 | First positive recorded appearance: 1948 · Los Angeles, CA, USA | Source record |
| Rance Mulliniks | 1 | First positive recorded appearance: 1977 · Tulare, CA, USA | Source record |
| Randy Asadoor | 1 | First positive recorded appearance: 1986 · Fresno, CA, USA | Source record |
| Randy Bobb | 1 | First positive recorded appearance: 1968 · Los Angeles, CA, USA | Source record |
| Randy Elliott | 1 | First positive recorded appearance: 1972 · Oxnard, CA, USA | Source record |
| Randy Flores | 1 | First positive recorded appearance: 2002 · Bellflower, CA, USA | Source record |
| Randy Gomez | 1 | First positive recorded appearance: 1984 · San Mateo, CA, USA | Source record |
| Randy Hennis | 1 | First positive recorded appearance: 1990 · Clearlake, CA, USA | Source record |
| Randy Johnson | 1 | First positive recorded appearance: 1982 · Escondido, CA, USA | Source record |
| Randy Johnson | 1 | First positive recorded appearance: 1988 · Walnut Creek, CA, USA | Source record |
| Randy Jones | 1 | First positive recorded appearance: 1973 · Fullerton, CA, USA | Source record |
| Randy Knorr | 1 | First positive recorded appearance: 1991 · San Gabriel, CA, USA | Source record |
| Randy Kramer | 1 | First positive recorded appearance: 1988 · Palo Alto, CA, USA | Source record |
| Randy Lerch | 1 | First positive recorded appearance: 1975 · Sacramento, CA, USA | Source record |
| Randy Miller | 1 | First positive recorded appearance: 1977 · Oxnard, CA, USA | Source record |
| Randy Milligan | 1 | First positive recorded appearance: 1987 · San Diego, CA, USA | Source record |
| Randy Moffitt | 1 | First positive recorded appearance: 1972 · Long Beach, CA, USA | Source record |
| Randy Niemann | 1 | First positive recorded appearance: 1979 · Scotia, CA, USA | Source record |
| Randy Ready | 1 | First positive recorded appearance: 1983 · San Mateo, CA, USA | Source record |
| Randy Scarbery | 1 | First positive recorded appearance: 1979 · Fresno, CA, USA | Source record |
| Randy Schwartz | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Randy Stein | 1 | First positive recorded appearance: 1978 · Pomona, CA, USA | Source record |
| Randy Veres | 1 | First positive recorded appearance: 1989 · San Francisco, CA, USA | Source record |
| Randy Winn | 1 | First positive recorded appearance: 1998 · Los Angeles, CA, USA | Source record |
| Randy Wolf | 1 | First positive recorded appearance: 1999 · Canoga Park, CA, USA | Source record |
| Randy Wynne | 1 | First positive recorded appearance: 2023 · San Diego, CA, USA | Source record |
| Ray Boone | 1 | First positive recorded appearance: 1948 · San Diego, CA, USA | Source record |
| Ray Coleman | 1 | First positive recorded appearance: 1947 · Dunsmuir, CA, USA | Source record |
| Ray Cosey | 1 | First positive recorded appearance: 1980 · San Rafael, CA, USA | Source record |
| Ray French | 1 | First positive recorded appearance: 1920 · Alameda, CA, USA | Source record |
| Ray Holbert | 1 | First positive recorded appearance: 1994 · Torrance, CA, USA | Source record |
| Ray Kerr | 1 | First positive recorded appearance: 2022 · Sacramento, CA, USA | Source record |
| Ray Kremer | 1 | First positive recorded appearance: 1924 · Oakland, CA, USA | Source record |
| Ray Lamanno | 1 | First positive recorded appearance: 1941 · Oakland, CA, USA | Source record |
| Ray Lamb | 1 | First positive recorded appearance: 1969 · Glendale, CA, USA | Source record |
| Ray Lankford | 1 | First positive recorded appearance: 1990 · Los Angeles, CA, USA | Source record |
| Ray McDavid | 1 | First positive recorded appearance: 1994 · San Diego, CA, USA | Source record |
| Ray Medeiros | 1 | First positive recorded appearance: 1945 · Oakland, CA, USA | Source record |
| Ray Rohwer | 1 | First positive recorded appearance: 1921 · Dixon, CA, USA | Source record |
| Ray Smith | 1 | First positive recorded appearance: 1981 · Glendale, CA, USA | Source record |
| Ray Webster | 1 | First positive recorded appearance: 1959 · Grass Valley, CA, USA | Source record |
| Red Adams | 1 | First positive recorded appearance: 1946 · Parlier, CA, USA | Source record |
| Red Barrett | 1 | First positive recorded appearance: 1937 · Santa Barbara, CA, USA | Source record |
| Red Embree | 1 | First positive recorded appearance: 1941 · El Monte, CA, USA | Source record |
| Red Kress | 1 | First positive recorded appearance: 1927 · Columbia, CA, USA | Source record |
| Red Steiner | 1 | First positive recorded appearance: 1945 · Los Angeles, CA, USA | Source record |
| Red Witt | 1 | First positive recorded appearance: 1957 · Long Beach, CA, USA | Source record |
| Red Worthington | 1 | First positive recorded appearance: 1931 · Alhambra, CA, USA | Source record |
| Reed Johnson | 1 | First positive recorded appearance: 2003 · Riverside, CA, USA | Source record |
| Ren Kelly | 1 | First positive recorded appearance: 1923 · San Francisco, CA, USA | Source record |
| Rene Lachemann | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Rex Johnston | 1 | First positive recorded appearance: 1964 · Colton, CA, USA | Source record |
| Rhylan Thomas | 1 | First positive recorded appearance: 2025 · Ventura, CA, USA | Source record |
| Rhys Hoskins | 1 | First positive recorded appearance: 2017 · Sacramento, CA, USA | Source record |
| Rich Amaral | 1 | First positive recorded appearance: 1991 · Visalia, CA, USA | Source record |
| Rich Aude | 1 | First positive recorded appearance: 1993 · Van Nuys, CA, USA | Source record |
| Rich Barry | 1 | First positive recorded appearance: 1969 · Berkeley, CA, USA | Source record |
| Rich Bordi | 1 | First positive recorded appearance: 1980 · San Francisco, CA, USA | Source record |
| Rich Chiles | 1 | First positive recorded appearance: 1971 · Sacramento, CA, USA | Source record |
| Rich Dauer | 1 | First positive recorded appearance: 1976 · San Bernardino, CA, USA | Source record |
| Rich Hunter | 1 | First positive recorded appearance: 1996 · Pasadena, CA, USA | Source record |
| Rich Morales | 1 | First positive recorded appearance: 1967 · San Francisco, CA, USA | Source record |
| Rich Murray | 1 | First positive recorded appearance: 1980 · Los Angeles, CA, USA | Source record |
| Rich Nye | 1 | First positive recorded appearance: 1966 · Oakland, CA, USA | Source record |
| Rich Renteria | 1 | First positive recorded appearance: 1986 · Harbor City, CA, USA | Source record |
| Rich Robertson | 1 | First positive recorded appearance: 1966 · Albany, CA, USA | Source record |
| Rich Rodas | 1 | First positive recorded appearance: 1983 · Roseville, CA, USA | Source record |
| Rich Rodriguez | 1 | First positive recorded appearance: 1990 · Downey, CA, USA | Source record |
| Rich Rowland | 1 | First positive recorded appearance: 1990 · Cloverdale, CA, USA | Source record |
| Rich Severson | 1 | First positive recorded appearance: 1970 · Artesia, CA, USA | Source record |
| Rich Troedson | 1 | First positive recorded appearance: 1973 · Palo Alto, CA, USA | Source record |
| Rich Yett | 1 | First positive recorded appearance: 1985 · Pomona, CA, USA | Source record |
| Richie Myers | 1 | First positive recorded appearance: 1956 · Sacramento, CA, USA | Source record |
| Rick Aguilera | 1 | First positive recorded appearance: 1985 · San Gabriel, CA, USA | Source record |
| Rick Anderson | 1 | First positive recorded appearance: 1979 · Inglewood, CA, USA | Source record |
| Rick Auerbach | 1 | First positive recorded appearance: 1971 · Woodland Hills, CA, USA | Source record |
| Rick Baldwin | 1 | First positive recorded appearance: 1975 · Fresno, CA, USA | Source record |
| Rick Bauer | 1 | First positive recorded appearance: 2001 · Garden Grove, CA, USA | Source record |
| Rick Bladt | 1 | First positive recorded appearance: 1969 · Santa Cruz, CA, USA | Source record |
| Rick Bosetti | 1 | First positive recorded appearance: 1976 · Redding, CA, USA | Source record |
| Rick Burleson | 1 | First positive recorded appearance: 1974 · Lynwood, CA, USA | Source record |
| Rick Lysander | 1 | First positive recorded appearance: 1980 · Huntington Park, CA, USA | Source record |
| Rick Ownbey | 1 | First positive recorded appearance: 1982 · Corona, CA, USA | Source record |
| Rick Peters | 1 | First positive recorded appearance: 1979 · Lynwood, CA, USA | Source record |
| Rick Rodriguez | 1 | First positive recorded appearance: 1986 · Oakland, CA, USA | Source record |
| Rick Sawyer | 1 | First positive recorded appearance: 1974 · Bakersfield, CA, USA | Source record |
| Rick Williams | 1 | First positive recorded appearance: 1978 · Merced, CA, USA | Source record |
| Ricky Adams | 1 | First positive recorded appearance: 1982 · Upland, CA, USA | Source record |
| Ricky Jordan | 1 | First positive recorded appearance: 1988 · Richmond, CA, USA | Source record |
| Ricky Nolasco | 1 | First positive recorded appearance: 2006 · Corona, CA, USA | Source record |
| Ricky Romero | 1 | First positive recorded appearance: 2009 · East Los Angeles, CA, USA | Source record |
| Riley Adams | 1 | First positive recorded appearance: 2021 · Encinitas, CA, USA | Source record |
| Rinaldo Williams | 1 | First positive recorded appearance: 1914 · Santa Cruz, CA, USA | Source record |
| Rio Ruiz | 1 | First positive recorded appearance: 2016 · Covina, CA, USA | Source record |
| Rip Russell | 1 | First positive recorded appearance: 1939 · Los Angeles, CA, USA | Source record |
| Rob Andrews | 1 | First positive recorded appearance: 1975 · Santa Monica, CA, USA | Source record |
| Rob Brantly | 1 | First positive recorded appearance: 2012 · San Diego, CA, USA | Source record |
| Rob Deer | 1 | First positive recorded appearance: 1984 · Orange, CA, USA | Source record |
| Rob Nelson | 1 | First positive recorded appearance: 1986 · Pasadena, CA, USA | Source record |
| Rob Picciolo | 1 | First positive recorded appearance: 1977 · Santa Monica, CA, USA | Source record |
| Rob Rasmussen | 1 | First positive recorded appearance: 2014 · Pasadena, CA, USA | Source record |
| Rob Sperring | 1 | First positive recorded appearance: 1974 · San Francisco, CA, USA | Source record |
| Rob Wilfong | 1 | First positive recorded appearance: 1977 · Pasadena, CA, USA | Source record |
| Robb Nen | 1 | First positive recorded appearance: 1993 · San Pedro, CA, USA | Source record |
| Robbie Erlin | 1 | First positive recorded appearance: 2013 · Oakland, CA, USA | Source record |
| Robbie Grossman | 1 | First positive recorded appearance: 2013 · San Diego, CA, USA | Source record |
| Robert Fick | 1 | First positive recorded appearance: 1998 · Torrance, CA, USA | Source record |
| Robert Garcia | 1 | First positive recorded appearance: 2023 · Manteca, CA, USA | Source record |
| Robert Gasser | 1 | First positive recorded appearance: 2024 · El Dorado Hills, CA, USA | Source record |
| Robert Gsellman | 1 | First positive recorded appearance: 2016 · Santa Monica, CA, USA | Source record |
| Robert Stephenson | 1 | First positive recorded appearance: 2016 · Martinez, CA, USA | Source record |
| Robert Stevens | 1 | First positive recorded appearance: 1875 · San Francisco, CA, USA | Source record |
| Robin Ventura | 1 | First positive recorded appearance: 1989 · Santa Maria, CA, USA | Source record |
| Rocky Childress | 1 | First positive recorded appearance: 1985 · Santa Rosa, CA, USA | Source record |
| Rocky Stone | 1 | First positive recorded appearance: 1943 · Redding, CA, USA | Source record |
| Rod Allen | 1 | First positive recorded appearance: 1983 · Los Angeles, CA, USA | Source record |
| Rod Barajas | 1 | First positive recorded appearance: 1999 · Ontario, CA, USA | Source record |
| Rod Beck | 1 | First positive recorded appearance: 1991 · Burbank, CA, USA | Source record |
| Rod Booker | 1 | First positive recorded appearance: 1987 · Los Angeles, CA, USA | Source record |
| Rod Craig | 1 | First positive recorded appearance: 1979 · Los Angeles, CA, USA | Source record |
| Rod Gaspar | 1 | First positive recorded appearance: 1969 · Long Beach, CA, USA | Source record |
| Rod Scurry | 1 | First positive recorded appearance: 1980 · Sacramento, CA, USA | Source record |
| Roger Freed | 1 | First positive recorded appearance: 1970 · Los Angeles, CA, USA | Source record |
| Roger Nelson | 1 | First positive recorded appearance: 1967 · Altadena, CA, USA | Source record |
| Roger Salkeld | 1 | First positive recorded appearance: 1993 · Burbank, CA, USA | Source record |
| Roger Samuels | 1 | First positive recorded appearance: 1988 · San Jose, CA, USA | Source record |
| Roland de la Maza | 1 | First positive recorded appearance: 1997 · Granada Hills, CA, USA | Source record |
| Ron Brand | 1 | First positive recorded appearance: 1963 · Los Angeles, CA, USA | Source record |
| Ron Bryant | 1 | First positive recorded appearance: 1967 · Redlands, CA, USA | Source record |
| Ron Calloway | 1 | First positive recorded appearance: 2003 · San Jose, CA, USA | Source record |
| Ron Flores | 1 | First positive recorded appearance: 2005 · Whittier, CA, USA | Source record |
| Ron Johnson | 1 | First positive recorded appearance: 1982 · Long Beach, CA, USA | Source record |
| Ron Meridith | 1 | First positive recorded appearance: 1984 · San Pedro, CA, USA | Source record |
| Ron Robinson | 1 | First positive recorded appearance: 1984 · Exeter, CA, USA | Source record |
| Ron Roenicke | 1 | First positive recorded appearance: 1981 · Covina, CA, USA | Source record |
| Ron Slocum | 1 | First positive recorded appearance: 1969 · Modesto, CA, USA | Source record |
| Ron Stillwell | 1 | First positive recorded appearance: 1961 · Los Angeles, CA, USA | Source record |
| Ron Stone | 1 | First positive recorded appearance: 1966 · Corning, CA, USA | Source record |
| Ron Theobald | 1 | First positive recorded appearance: 1971 · Oakland, CA, USA | Source record |
| Ron Tompkins | 1 | First positive recorded appearance: 1965 · San Diego, CA, USA | Source record |
| Roric Harrison | 1 | First positive recorded appearance: 1972 · Los Angeles, CA, USA | Source record |
| Ross Moschitto | 1 | First positive recorded appearance: 1965 · Fresno, CA, USA | Source record |
| Rowdy Tellez | 1 | First positive recorded appearance: 2018 · Sacramento, CA, USA | Source record |
| Rowland Office | 1 | First positive recorded appearance: 1972 · Sacramento, CA, USA | Source record |
| Roxy Walters | 1 | First positive recorded appearance: 1915 · San Francisco, CA, USA | Source record |
| Roy Graham | 1 | First positive recorded appearance: 1922 · San Francisco, CA, USA | Source record |
| Roy Howell | 1 | First positive recorded appearance: 1974 · Lompoc, CA, USA | Source record |
| Roy Joiner | 1 | First positive recorded appearance: 1934 · Red Bluff, CA, USA | Source record |
| Roy Partee | 1 | First positive recorded appearance: 1943 · Los Angeles, CA, USA | Source record |
| Roy Smalley | 1 | First positive recorded appearance: 1975 · Los Angeles, CA, USA | Source record |
| Roy White | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Royce Clayton | 1 | First positive recorded appearance: 1991 · Burbank, CA, USA | Source record |
| Royce Lewis | 1 | First positive recorded appearance: 2022 · Aliso Viejo, CA, USA | Source record |
| Royce Ring | 1 | First positive recorded appearance: 2005 · La Mesa, CA, USA | Source record |
| Royle Stillman | 1 | First positive recorded appearance: 1975 · Santa Monica, CA, USA | Source record |
| Rube Ellis | 1 | First positive recorded appearance: 1909 · Downey, CA, USA | Source record |
| Rudy Regalado | 1 | First positive recorded appearance: 1954 · Los Angeles, CA, USA | Source record |
| Rudy Seanez | 1 | First positive recorded appearance: 1989 · Brawley, CA, USA | Source record |
| Russ Christopher | 1 | First positive recorded appearance: 1942 · Richmond, CA, USA | Source record |
| Russ Heman | 1 | First positive recorded appearance: 1961 · Olive, CA, USA | Source record |
| Russ Ortiz | 1 | First positive recorded appearance: 1998 · Van Nuys, CA, USA | Source record |
| Russ Swan | 1 | First positive recorded appearance: 1989 · Fremont, CA, USA | Source record |
| Rusty Kuntz | 1 | First positive recorded appearance: 1979 · Orange, CA, USA | Source record |
| Rusty McNealy | 1 | First positive recorded appearance: 1983 · Sacramento, CA, USA | Source record |
| Ryan Aguilar | 1 | First positive recorded appearance: 2022 · Yorba Linda, CA, USA | Source record |
| Ryan Bliss | 1 | First positive recorded appearance: 2024 · Burbank, CA, USA | Source record |
| Ryan Bowen | 1 | First positive recorded appearance: 1991 · Hanford, CA, USA | Source record |
| Ryan Bradley | 1 | First positive recorded appearance: 1998 · Covina, CA, USA | Source record |
| Ryan Braun | 1 | First positive recorded appearance: 2007 · Mission Hills, CA, USA | Source record |
| Ryan Christenson | 1 | First positive recorded appearance: 1998 · Redlands, CA, USA | Source record |
| Ryan Church | 1 | First positive recorded appearance: 2004 · Santa Barbara, CA, USA | Source record |
| Ryan Cook | 1 | First positive recorded appearance: 2011 · Clovis, CA, USA | Source record |
| Ryan Cordell | 1 | First positive recorded appearance: 2018 · San Diego, CA, USA | Source record |
| Ryan Drese | 1 | First positive recorded appearance: 2001 · San Francisco, CA, USA | Source record |
| Ryan Gusto | 1 | First positive recorded appearance: 2025 · Santa Rosa, CA, USA | Source record |
| Ryan Hancock | 1 | First positive recorded appearance: 1996 · Santa Clara, CA, USA | Source record |
| Ryan Hartman | 1 | First positive recorded appearance: 2021 · Anaheim, CA, USA | Source record |
| Ryan Kalish | 1 | First positive recorded appearance: 2010 · Northridge, CA, USA | Source record |
| Ryan Karp | 1 | First positive recorded appearance: 1995 · Los Angeles, CA, USA | Source record |
| Ryan Klesko | 1 | First positive recorded appearance: 1992 · Westminster, CA, USA | Source record |
| Ryan Kreidler | 1 | First positive recorded appearance: 2022 · Davis, CA, USA | Source record |
| Ryan Lavarnway | 1 | First positive recorded appearance: 2011 · Burbank, CA, USA | Source record |
| Ryan Madson | 1 | First positive recorded appearance: 2003 · Long Beach, CA, USA | Source record |
| Ryan Mattheus | 1 | First positive recorded appearance: 2011 · Galt, CA, USA | Source record |
| Ryan McGuire | 1 | First positive recorded appearance: 1997 · Bellflower, CA, USA | Source record |
| Ryan McMahon | 1 | First positive recorded appearance: 2017 · Yorba Linda, CA, USA | Source record |
| Ryan Perry | 1 | First positive recorded appearance: 2009 · Pomona, CA, USA | Source record |
| Ryan Sherriff | 1 | First positive recorded appearance: 2017 · Culver City, CA, USA | Source record |
| Ryan Spilborghs | 1 | First positive recorded appearance: 2005 · Santa Barbara, CA, USA | Source record |
| Ryan Tucker | 1 | First positive recorded appearance: 2008 · Burbank, CA, USA | Source record |
| Ryan Verdugo | 1 | First positive recorded appearance: 2012 · Pasadena, CA, USA | Source record |
| Ryan Wheeler | 1 | First positive recorded appearance: 2012 · Torrance, CA, USA | Source record |
| Ryon Healy | 1 | First positive recorded appearance: 2016 · West Hills, CA, USA | Source record |
| Sam Bohne | 1 | First positive recorded appearance: 1916 · San Francisco, CA, USA | Source record |
| Sam Chapman | 1 | First positive recorded appearance: 1938 · Tiburon, CA, USA | Source record |
| Sam Dungan | 1 | First positive recorded appearance: 1892 · Ferndale, CA, USA | Source record |
| Sam Khalifa | 1 | First positive recorded appearance: 1985 · Fontana, CA, USA | Source record |
| Sam Long | 1 | First positive recorded appearance: 2021 · Fair Oaks, CA, USA | Source record |
| Sam Mertes | 1 | First positive recorded appearance: 1896 · San Francisco, CA, USA | Source record |
| Sam Tuivailala | 1 | First positive recorded appearance: 2014 · San Mateo, CA, USA | Source record |
| Sam Vico | 1 | First positive recorded appearance: 1948 · San Fernando, CA, USA | Source record |
| Samad Taylor | 1 | First positive recorded appearance: 2023 · Corona, CA, USA | Source record |
| Sandy Nava | 1 | First positive recorded appearance: 1882 · San Francisco, CA, USA | Source record |
| Sandy Wihtol | 1 | First positive recorded appearance: 1979 · Palo Alto, CA, USA | Source record |
| Scott Alexander | 1 | First positive recorded appearance: 2015 · Santa Rosa, CA, USA | Source record |
| Scott Baker | 1 | First positive recorded appearance: 1995 · San Jose, CA, USA | Source record |
| Scott Chiamparino | 1 | First positive recorded appearance: 1990 · San Mateo, CA, USA | Source record |
| Scott Davison | 1 | First positive recorded appearance: 1995 · Inglewood, CA, USA | Source record |
| Scott Erickson | 1 | First positive recorded appearance: 1990 · Long Beach, CA, USA | Source record |
| Scott Eyre | 1 | First positive recorded appearance: 1997 · Inglewood, CA, USA | Source record |
| Scott Heineman | 1 | First positive recorded appearance: 2019 · Pacific Palisades, CA, USA | Source record |
| Scott Holman | 1 | First positive recorded appearance: 1980 · Santa Paula, CA, USA | Source record |
| Scott Hurst | 1 | First positive recorded appearance: 2021 · Glendora, CA, USA | Source record |
| Scott Karl | 1 | First positive recorded appearance: 1995 · Fontana, CA, USA | Source record |
| Scott Lewis | 1 | First positive recorded appearance: 2008 · West Covina, CA, USA | Source record |
| Scott McClain | 1 | First positive recorded appearance: 1998 · Simi Valley, CA, USA | Source record |
| Scott McGregor | 1 | First positive recorded appearance: 1976 · Inglewood, CA, USA | Source record |
| Scott Moore | 1 | First positive recorded appearance: 2006 · Long Beach, CA, USA | Source record |
| Scott Radinsky | 1 | First positive recorded appearance: 1990 · Glendale, CA, USA | Source record |
| Scott Randall | 1 | First positive recorded appearance: 2003 · Fullerton, CA, USA | Source record |
| Scott Rice | 1 | First positive recorded appearance: 2013 · Simi Valley, CA, USA | Source record |
| Scott Snodgress | 1 | First positive recorded appearance: 2014 · Fontana, CA, USA | Source record |
| Sean Barker | 1 | First positive recorded appearance: 2007 · Bakersfield, CA, USA | Source record |
| Sean Berry | 1 | First positive recorded appearance: 1990 · Santa Monica, CA, USA | Source record |
| Sean Bouchard | 1 | First positive recorded appearance: 2022 · San Diego, CA, USA | Source record |
| Sean Douglass | 1 | First positive recorded appearance: 2001 · Lancaster, CA, USA | Source record |
| Sean Gilmartin | 1 | First positive recorded appearance: 2015 · Thousand Oaks, CA, USA | Source record |
| Sean Halton | 1 | First positive recorded appearance: 2013 · San Francisco, CA, USA | Source record |
| Sean Mulligan | 1 | First positive recorded appearance: 1996 · Lynwood, CA, USA | Source record |
| Sean O'Sullivan | 1 | First positive recorded appearance: 2009 · San Diego, CA, USA | Source record |
| Sean Reynolds | 1 | First positive recorded appearance: 2024 · Redondo Beach, CA, USA | Source record |
| Sean Tracey | 1 | First positive recorded appearance: 2006 · Upland, CA, USA | Source record |
| Sergio Mitre | 1 | First positive recorded appearance: 2003 · Los Angeles, CA, USA | Source record |
| Sergio Romo | 1 | First positive recorded appearance: 2008 · Brawley, CA, USA | Source record |
| Sergio Santos | 1 | First positive recorded appearance: 2010 · Bellflower, CA, USA | Source record |
| Seth Etherton | 1 | First positive recorded appearance: 2000 · Laguna Beach, CA, USA | Source record |
| Shad Williams | 1 | First positive recorded appearance: 1996 · Fresno, CA, USA | Source record |
| Shane Bieber | 1 | First positive recorded appearance: 2018 · Orange, CA, USA | Source record |
| Shane Bowers | 1 | First positive recorded appearance: 1997 · Glendora, CA, USA | Source record |
| Shane Carle | 1 | First positive recorded appearance: 2017 · Santa Cruz, CA, USA | Source record |
| Shane Costa | 1 | First positive recorded appearance: 2005 · Visalia, CA, USA | Source record |
| Shane Mack | 1 | First positive recorded appearance: 1987 · Los Angeles, CA, USA | Source record |
| Shane Peterson | 1 | First positive recorded appearance: 2013 · Fallbrook, CA, USA | Source record |
| Shane Turner | 1 | First positive recorded appearance: 1988 · Los Angeles, CA, USA | Source record |
| Shawn Barton | 1 | First positive recorded appearance: 1992 · Los Angeles, CA, USA | Source record |
| Shawn Estes | 1 | First positive recorded appearance: 1995 · San Bernardino, CA, USA | Source record |
| Shawn Hillegas | 1 | First positive recorded appearance: 1987 · Dos Palos, CA, USA | Source record |
| Shawn Wooten | 1 | First positive recorded appearance: 2000 · Glendora, CA, USA | Source record |
| Shay Whitcomb | 1 | First positive recorded appearance: 2024 · Thousand Oaks, CA, USA | Source record |
| Shooty Babitt | 1 | First positive recorded appearance: 1981 · Oakland, CA, USA | Source record |
| Skip Schumaker | 1 | First positive recorded appearance: 2005 · Torrance, CA, USA | Source record |
| Spec Harkness | 1 | First positive recorded appearance: 1910 · Los Angeles, CA, USA | Source record |
| Spencer Howard | 1 | First positive recorded appearance: 2020 · San Luis Obispo, CA, USA | Source record |
| Spencer Steer | 1 | First positive recorded appearance: 2022 · Long Beach, CA, USA | Source record |
| Spencer Torkelson | 1 | First positive recorded appearance: 2022 · Petaluma, CA, USA | Source record |
| Spider Jorgensen | 1 | First positive recorded appearance: 1947 · Folsom, CA, USA | Source record |
| Stan Hack | 1 | First positive recorded appearance: 1932 · Sacramento, CA, USA | Source record |
| Stan Papi | 1 | First positive recorded appearance: 1974 · Fresno, CA, USA | Source record |
| Stan Swanson | 1 | First positive recorded appearance: 1971 · Yuba City, CA, USA | Source record |
| Stephen Gonsalves | 1 | First positive recorded appearance: 2018 · San Diego, CA, USA | Source record |
| Stephen Nogosek | 1 | First positive recorded appearance: 2019 · Roseville, CA, USA | Source record |
| Stephen Piscotty | 1 | First positive recorded appearance: 2015 · Pleasanton, CA, USA | Source record |
| Stephen Strasburg | 1 | First positive recorded appearance: 2010 · San Diego, CA, USA | Source record |
| Stephen Tarpley | 1 | First positive recorded appearance: 2018 · Los Angeles, CA, USA | Source record |
| Stephen Vogt | 1 | First positive recorded appearance: 2012 · Visalia, CA, USA | Source record |
| Steve Andrade | 1 | First positive recorded appearance: 2006 · Woodland, CA, USA | Source record |
| Steve Brown | 1 | First positive recorded appearance: 1983 · San Francisco, CA, USA | Source record |
| Steve Brye | 1 | First positive recorded appearance: 1970 · Alameda, CA, USA | Source record |
| Steve Buechele | 1 | First positive recorded appearance: 1985 · Lancaster, CA, USA | Source record |
| Steve Burke | 1 | First positive recorded appearance: 1977 · Stockton, CA, USA | Source record |
| Steve Busby | 1 | First positive recorded appearance: 1972 · Burbank, CA, USA | Source record |
| Steve Connelly | 1 | First positive recorded appearance: 1998 · Long Beach, CA, USA | Source record |
| Steve Cox | 1 | First positive recorded appearance: 1999 · Delano, CA, USA | Source record |
| Steve Davis | 1 | First positive recorded appearance: 1979 · Oakland, CA, USA | Source record |
| Steve Holm | 1 | First positive recorded appearance: 2008 · Sacramento, CA, USA | Source record |
| Steve Hosey | 1 | First positive recorded appearance: 1992 · Inglewood, CA, USA | Source record |
| Steve Hovley | 1 | First positive recorded appearance: 1969 · Ventura, CA, USA | Source record |
| Steve Howard | 1 | First positive recorded appearance: 1990 · Oakland, CA, USA | Source record |
| Steve Jones | 1 | First positive recorded appearance: 1967 · Huntington Park, CA, USA | Source record |
| Steve Kealey | 1 | First positive recorded appearance: 1968 · Torrance, CA, USA | Source record |
| Steve Lake | 1 | First positive recorded appearance: 1983 · Inglewood, CA, USA | Source record |
| Steve Lawson | 1 | First positive recorded appearance: 1972 · Oakland, CA, USA | Source record |
| Steve Lubratich | 1 | First positive recorded appearance: 1981 · Oakland, CA, USA | Source record |
| Steve Mesner | 1 | First positive recorded appearance: 1938 · Los Angeles, CA, USA | Source record |
| Steve Montgomery | 1 | First positive recorded appearance: 1996 · Westminster, CA, USA | Source record |
| Steve Ontiveros | 1 | First positive recorded appearance: 1973 · Bakersfield, CA, USA | Source record |
| Steve Rain | 1 | First positive recorded appearance: 1999 · Los Angeles, CA, USA | Source record |
| Steve Reed | 1 | First positive recorded appearance: 1992 · Los Angeles, CA, USA | Source record |
| Steve Sax | 1 | First positive recorded appearance: 1981 · Sacramento, CA, USA | Source record |
| Steve Scarsone | 1 | First positive recorded appearance: 1992 · Anaheim, CA, USA | Source record |
| Steve Selsky | 1 | First positive recorded appearance: 2016 · Manhattan Beach, CA, USA | Source record |
| Steve Shirley | 1 | First positive recorded appearance: 1982 · San Francisco, CA, USA | Source record |
| Steve Sisco | 1 | First positive recorded appearance: 2000 · Thousand Oaks, CA, USA | Source record |
| Steve Smyth | 1 | First positive recorded appearance: 2002 · Brawley, CA, USA | Source record |
| Steve Soderstrom | 1 | First positive recorded appearance: 1996 · Turlock, CA, USA | Source record |
| Steve Springer | 1 | First positive recorded appearance: 1990 · Long Beach, CA, USA | Source record |
| Steve Stroughter | 1 | First positive recorded appearance: 1982 · Visalia, CA, USA | Source record |
| Steve Susdorf | 1 | First positive recorded appearance: 2013 · Valencia, CA, USA | Source record |
| Steve Trachsel | 1 | First positive recorded appearance: 1993 · Oxnard, CA, USA | Source record |
| Steve Wapnick | 1 | First positive recorded appearance: 1990 · Panorama City, CA, USA | Source record |
| Steven Brault | 1 | First positive recorded appearance: 2016 · La Mesa, CA, USA | Source record |
| Steven Kwan | 1 | First positive recorded appearance: 2022 · Los Gatos, CA, USA | Source record |
| Steven Okert | 1 | First positive recorded appearance: 2016 · Riverside, CA, USA | Source record |
| Steven Wright | 1 | First positive recorded appearance: 2013 · Torrance, CA, USA | Source record |
| Stu Clarke | 1 | First positive recorded appearance: 1929 · San Francisco, CA, USA | Source record |
| Stu Pederson | 1 | First positive recorded appearance: 1985 · Palo Alto, CA, USA | Source record |
| Swede Risberg | 1 | First positive recorded appearance: 1917 · San Francisco, CA, USA | Source record |
| Syd O'Brien | 1 | First positive recorded appearance: 1969 · Compton, CA, USA | Source record |
| Taj Bradley | 1 | First positive recorded appearance: 2023 · Los Angeles, CA, USA | Source record |
| Tanner Bibee | 1 | First positive recorded appearance: 2023 · Mission Viejo, CA, USA | Source record |
| Tanner Scheppers | 1 | First positive recorded appearance: 2012 · Mission Viejo, CA, USA | Source record |
| Tarik Skubal | 1 | First positive recorded appearance: 2020 · Hayward, CA, USA | Source record |
| Tarrik Brock | 1 | First positive recorded appearance: 2000 · Goleta, CA, USA | Source record |
| Taylor Cole | 1 | First positive recorded appearance: 2017 · Simi Valley, CA, USA | Source record |
| Taylor Rashi | 1 | First positive recorded appearance: 2025 · Torrance, CA, USA | Source record |
| Ted Lilly | 1 | First positive recorded appearance: 1999 · Lomita, CA, USA | Source record |
| Ted Shaw | 1 | First positive recorded appearance: 1928 · Monrovia, CA, USA | Source record |
| Ted Williams | 1 | First positive recorded appearance: 1939 · San Diego, CA, USA | Source record |
| Ted Wills | 1 | First positive recorded appearance: 1959 · Fresno, CA, USA | Source record |
| Terrell Lowery | 1 | First positive recorded appearance: 1997 · Oakland, CA, USA | Source record |
| Terry Bulling | 1 | First positive recorded appearance: 1977 · Lynwood, CA, USA | Source record |
| Terry Clark | 1 | First positive recorded appearance: 1988 · Los Angeles, CA, USA | Source record |
| Terry Lee | 1 | First positive recorded appearance: 1990 · San Francisco, CA, USA | Source record |
| Terry Pendleton | 1 | First positive recorded appearance: 1984 · Los Angeles, CA, USA | Source record |
| Terry Whitfield | 1 | First positive recorded appearance: 1974 · Blythe, CA, USA | Source record |
| Terry Wilshusen | 1 | First positive recorded appearance: 1973 · Atascadero, CA, USA | Source record |
| Tex Clevenger | 1 | First positive recorded appearance: 1954 · Visalia, CA, USA | Source record |
| Thad Bosley | 1 | First positive recorded appearance: 1977 · Oceanside, CA, USA | Source record |
| Thad Tillotson | 1 | First positive recorded appearance: 1967 · Merced, CA, USA | Source record |
| Thomas Eshelman | 1 | First positive recorded appearance: 2019 · Carlsbad, CA, USA | Source record |
| Thomas Jacquez | 1 | First positive recorded appearance: 2000 · Stockton, CA, USA | Source record |
| Thomas Neal | 1 | First positive recorded appearance: 2012 · Inglewood, CA, USA | Source record |
| Thomas Saggese | 1 | First positive recorded appearance: 2024 · Carlsbad, CA, USA | Source record |
| Thornton Lee | 1 | First positive recorded appearance: 1933 · Sonoma, CA, USA | Source record |
| Tillie Shafer | 1 | First positive recorded appearance: 1909 · Los Angeles, CA, USA | Source record |
| Tim Blackwell | 1 | First positive recorded appearance: 1974 · San Diego, CA, USA | Source record |
| Tim Corcoran | 1 | First positive recorded appearance: 1977 · Glendale, CA, USA | Source record |
| Tim Cullen | 1 | First positive recorded appearance: 1966 · San Francisco, CA, USA | Source record |
| Tim Foli | 1 | First positive recorded appearance: 1970 · Culver City, CA, USA | Source record |
| Tim Hill | 1 | First positive recorded appearance: 2018 · Sylmar, CA, USA | Source record |
| Tim Ireland | 1 | First positive recorded appearance: 1981 · Oakland, CA, USA | Source record |
| Tim Laker | 1 | First positive recorded appearance: 1992 · Encino, CA, USA | Source record |
| Tim Layana | 1 | First positive recorded appearance: 1990 · Inglewood, CA, USA | Source record |
| Tim Leary | 1 | First positive recorded appearance: 1981 · Santa Monica, CA, USA | Source record |
| Tim Lopes | 1 | First positive recorded appearance: 2019 · Los Angeles, CA, USA | Source record |
| Tim Pugh | 1 | First positive recorded appearance: 1992 · South Lake Tahoe, CA, USA | Source record |
| Tim Salmon | 1 | First positive recorded appearance: 1992 · Long Beach, CA, USA | Source record |
| Tim Scott | 1 | First positive recorded appearance: 1991 · Hanford, CA, USA | Source record |
| Tim Spooneybarger | 1 | First positive recorded appearance: 2001 · San Diego, CA, USA | Source record |
| Tim Tolman | 1 | First positive recorded appearance: 1981 · Santa Monica, CA, USA | Source record |
| Tim Wallach | 1 | First positive recorded appearance: 1980 · Huntington Beach, CA, USA | Source record |
| Tim Worrell | 1 | First positive recorded appearance: 1993 · Pasadena, CA, USA | Source record |
| Timothy Jones | 1 | First positive recorded appearance: 1977 · Sacramento, CA, USA | Source record |
| Tiny Bonham | 1 | First positive recorded appearance: 1940 · Ione, CA, USA | Source record |
| Tiny Chaplin | 1 | First positive recorded appearance: 1928 · Los Angeles, CA, USA | Source record |
| Tod Davis | 1 | First positive recorded appearance: 1949 · Los Angeles, CA, USA | Source record |
| Todd Burns | 1 | First positive recorded appearance: 1988 · Maywood, CA, USA | Source record |
| Todd Steverson | 1 | First positive recorded appearance: 1995 · Los Angeles, CA, USA | Source record |
| Todd Walker | 1 | First positive recorded appearance: 1996 · Bakersfield, CA, USA | Source record |
| Todd Worrell | 1 | First positive recorded appearance: 1985 · Arcadia, CA, USA | Source record |
| Todd Zeile | 1 | First positive recorded appearance: 1989 · Van Nuys, CA, USA | Source record |
| Tom Brunansky | 1 | First positive recorded appearance: 1981 · Covina, CA, USA | Source record |
| Tom Candiotti | 1 | First positive recorded appearance: 1983 · Walnut Creek, CA, USA | Source record |
| Tom Dozier | 1 | First positive recorded appearance: 1986 · San Pablo, CA, USA | Source record |
| Tom Egan | 1 | First positive recorded appearance: 1965 · Los Angeles, CA, USA | Source record |
| Tom Fitzsimmons | 1 | First positive recorded appearance: 1919 · Oakland, CA, USA | Source record |
| Tom Fordham | 1 | First positive recorded appearance: 1997 · San Diego, CA, USA | Source record |
| Tom Goodwin | 1 | First positive recorded appearance: 1991 · Fresno, CA, USA | Source record |
| Tom Griffin | 1 | First positive recorded appearance: 1969 · Los Angeles, CA, USA | Source record |
| Tom Hafey | 1 | First positive recorded appearance: 1939 · Berkeley, CA, USA | Source record |
| Tom Hutton | 1 | First positive recorded appearance: 1966 · Los Angeles, CA, USA | Source record |
| Tom Morgan | 1 | First positive recorded appearance: 1951 · El Monte, CA, USA | Source record |
| Tom Newell | 1 | First positive recorded appearance: 1987 · Monrovia, CA, USA | Source record |
| Tom Nieto | 1 | First positive recorded appearance: 1984 · Downey, CA, USA | Source record |
| Tom Oran | 1 | First positive recorded appearance: 1875 · CA, USA | Source record |
| Tom Power | 1 | First positive recorded appearance: 1890 · San Francisco, CA, USA | Source record |
| Tom Seaver | 1 | First positive recorded appearance: 1967 · Fresno, CA, USA | Source record |
| Tom Urbani | 1 | First positive recorded appearance: 1993 · Santa Cruz, CA, USA | Source record |
| Tom Wilson | 1 | First positive recorded appearance: 2001 · Fullerton, CA, USA | Source record |
| Tommy Barrett | 1 | First positive recorded appearance: 1988 · San Fernando, CA, USA | Source record |
| Tommy Everidge | 1 | First positive recorded appearance: 2009 · Santa Rosa, CA, USA | Source record |
| Tommy Glaviano | 1 | First positive recorded appearance: 1949 · Sacramento, CA, USA | Source record |
| Tommy Hinzo | 1 | First positive recorded appearance: 1987 · San Diego, CA, USA | Source record |
| Tommy Medica | 1 | First positive recorded appearance: 2013 · San Jose, CA, USA | Source record |
| Tommy Milone | 1 | First positive recorded appearance: 2011 · Saugus, CA, USA | Source record |
| Tommy Moore | 1 | First positive recorded appearance: 1972 · Lynwood, CA, USA | Source record |
| Tommy Nance | 1 | First positive recorded appearance: 2021 · Long Beach, CA, USA | Source record |
| Tommy Sheehan | 1 | First positive recorded appearance: 1900 · Sacramento, CA, USA | Source record |
| Tony Boeckel | 1 | First positive recorded appearance: 1917 · Los Angeles, CA, USA | Source record |
| Tony Brizzolara | 1 | First positive recorded appearance: 1979 · Santa Monica, CA, USA | Source record |
| Tony Castillo | 1 | First positive recorded appearance: 1978 · San Jose, CA, USA | Source record |
| Tony Ferreira | 1 | First positive recorded appearance: 1985 · Riverside, CA, USA | Source record |
| Tony Freitas | 1 | First positive recorded appearance: 1932 · Mill Valley, CA, USA | Source record |
| Tony Gonsolin | 1 | First positive recorded appearance: 2019 · Vacaville, CA, USA | Source record |
| Tony Gwynn | 1 | First positive recorded appearance: 1982 · Los Angeles, CA, USA | Source record |
| Tony Gwynn | 1 | First positive recorded appearance: 2006 · Long Beach, CA, USA | Source record |
| Tony Horton | 1 | First positive recorded appearance: 1964 · Santa Monica, CA, USA | Source record |
| Tony Lazzeri | 1 | First positive recorded appearance: 1926 · San Francisco, CA, USA | Source record |
| Tony Longmire | 1 | First positive recorded appearance: 1993 · Vallejo, CA, USA | Source record |
| Tony Mounce | 1 | First positive recorded appearance: 2003 · Sacramento, CA, USA | Source record |
| Tony Muser | 1 | First positive recorded appearance: 1969 · Van Nuys, CA, USA | Source record |
| Tony Renda | 1 | First positive recorded appearance: 2016 · Santa Rosa, CA, USA | Source record |
| Tony Scruggs | 1 | First positive recorded appearance: 1991 · Riverside, CA, USA | Source record |
| Tony Torcato | 1 | First positive recorded appearance: 2002 · Woodland, CA, USA | Source record |
| Tony Walker | 1 | First positive recorded appearance: 1986 · San Diego, CA, USA | Source record |
| Tony Wolters | 1 | First positive recorded appearance: 2016 · Vista, CA, USA | Source record |
| Torey Lovullo | 1 | First positive recorded appearance: 1988 · Santa Monica, CA, USA | Source record |
| Trace Coquillette | 1 | First positive recorded appearance: 1999 · Carmichael, CA, USA | Source record |
| Tracy Jones | 1 | First positive recorded appearance: 1986 · Hawthorne, CA, USA | Source record |
| Travis Adams | 1 | First positive recorded appearance: 2025 · Palm Springs, CA, USA | Source record |
| Travis d'Arnaud | 1 | First positive recorded appearance: 2013 · Long Beach, CA, USA | Source record |
| Travis Denker | 1 | First positive recorded appearance: 2008 · Fountain Valley, CA, USA | Source record |
| Travis Lee | 1 | First positive recorded appearance: 1998 · San Diego, CA, USA | Source record |
| Travis Taijeron | 1 | First positive recorded appearance: 2017 · La Mesa, CA, USA | Source record |
| Travis Tartamella | 1 | First positive recorded appearance: 2015 · Fontana, CA, USA | Source record |
| Trayce Thompson | 1 | First positive recorded appearance: 2015 · Los Angeles, CA, USA | Source record |
| Trayvon Robinson | 1 | First positive recorded appearance: 2011 · Los Angeles, CA, USA | Source record |
| Trenton Brooks | 1 | First positive recorded appearance: 2024 · Alpine, CA, USA | Source record |
| Trevor Bauer | 1 | First positive recorded appearance: 2012 · North Hollywood, CA, USA | Source record |
| Trevor Bell | 1 | First positive recorded appearance: 2009 · North Hollywood, CA, USA | Source record |
| Trevor Brown | 1 | First positive recorded appearance: 2015 · Newhall, CA, USA | Source record |
| Trevor Cahill | 1 | First positive recorded appearance: 2009 · Oceanside, CA, USA | Source record |
| Trevor Hildenberger | 1 | First positive recorded appearance: 2017 · San Jose, CA, USA | Source record |
| Trevor Hoffman | 1 | First positive recorded appearance: 1993 · Bellflower, CA, USA | Source record |
| Trevor Larnach | 1 | First positive recorded appearance: 2021 · Walnut Creek, CA, USA | Source record |
| Trevor Megill | 1 | First positive recorded appearance: 2021 · Long Beach, CA, USA | Source record |
| Trevor Oaks | 1 | First positive recorded appearance: 2018 · Riverside, CA, USA | Source record |
| Trevor Plouffe | 1 | First positive recorded appearance: 2010 · West Hills, CA, USA | Source record |
| Trevor Williams | 1 | First positive recorded appearance: 2016 · San Diego, CA, USA | Source record |
| Trevor Wilson | 1 | First positive recorded appearance: 1988 · Torrance, CA, USA | Source record |
| Tristan Beck | 1 | First positive recorded appearance: 2023 · Corona, CA, USA | Source record |
| Troy Afenir | 1 | First positive recorded appearance: 1987 · Escondido, CA, USA | Source record |
| Troy Cate | 1 | First positive recorded appearance: 2007 · Fallbrook, CA, USA | Source record |
| Troy Glaus | 1 | First positive recorded appearance: 1998 · Tarzana, CA, USA | Source record |
| Troy Melton | 1 | First positive recorded appearance: 2025 · Newport Beach, CA, USA | Source record |
| Troy O'Leary | 1 | First positive recorded appearance: 1993 · Compton, CA, USA | Source record |
| Troy Percival | 1 | First positive recorded appearance: 1995 · Fontana, CA, USA | Source record |
| Troy Taylor | 1 | First positive recorded appearance: 2024 · Fontana, CA, USA | Source record |
| Troy Tulowitzki | 1 | First positive recorded appearance: 2006 · Santa Clara, CA, USA | Source record |
| Truck Eagan | 1 | First positive recorded appearance: 1901 · San Francisco, CA, USA | Source record |
| Tuck Stainback | 1 | First positive recorded appearance: 1934 · Los Angeles, CA, USA | Source record |
| Tug McGraw | 1 | First positive recorded appearance: 1965 · Martinez, CA, USA | Source record |
| Ty France | 1 | First positive recorded appearance: 2019 · Downey, CA, USA | Source record |
| Ty Van Burkleo | 1 | First positive recorded appearance: 1993 · Oakland, CA, USA | Source record |
| Ty Waller | 1 | First positive recorded appearance: 1980 · Fresno, CA, USA | Source record |
| Ty Wigginton | 1 | First positive recorded appearance: 2002 · San Diego, CA, USA | Source record |
| Tyler Chatwood | 1 | First positive recorded appearance: 2011 · Fontana, CA, USA | Source record |
| Tyler Cravy | 1 | First positive recorded appearance: 2015 · Martinez, CA, USA | Source record |
| Tyler Cyr | 1 | First positive recorded appearance: 2022 · Fremont, CA, USA | Source record |
| Tyler Ferguson | 1 | First positive recorded appearance: 2024 · Fresno, CA, USA | Source record |
| Tyler Freeman | 1 | First positive recorded appearance: 2022 · Rancho Cucamonga, CA, USA | Source record |
| Tyler Gilbert | 1 | First positive recorded appearance: 2021 · Santa Cruz, CA, USA | Source record |
| Tyler Glasnow | 1 | First positive recorded appearance: 2016 · Newhall, CA, USA | Source record |
| Tyler Goeddel | 1 | First positive recorded appearance: 2016 · San Mateo, CA, USA | Source record |
| Tyler Heineman | 1 | First positive recorded appearance: 2019 · Pacific Palisades, CA, USA | Source record |
| Tyler Mahle | 1 | First positive recorded appearance: 2017 · Newport Beach, CA, USA | Source record |
| Tyler Matzek | 1 | First positive recorded appearance: 2014 · Mission Viejo, CA, USA | Source record |
| Tyler Nevin | 1 | First positive recorded appearance: 2021 · Poway, CA, USA | Source record |
| Tyler Pill | 1 | First positive recorded appearance: 2017 · San Dimas, CA, USA | Source record |
| Tyler Robertson | 1 | First positive recorded appearance: 2012 · Simi Valley, CA, USA | Source record |
| Tyler Saladino | 1 | First positive recorded appearance: 2015 · San Diego, CA, USA | Source record |
| Tyler Skaggs | 1 | First positive recorded appearance: 2012 · Woodland Hills, CA, USA | Source record |
| Tyler Smith | 1 | First positive recorded appearance: 2017 · Long Beach, CA, USA | Source record |
| Tyler Soderstrom | 1 | First positive recorded appearance: 2023 · Turlock, CA, USA | Source record |
| Tyler Wade | 1 | First positive recorded appearance: 2017 · Murrieta, CA, USA | Source record |
| Tyler Walker | 1 | First positive recorded appearance: 2002 · San Francisco, CA, USA | Source record |
| Tyler Wells | 1 | First positive recorded appearance: 2021 · Yucaipa, CA, USA | Source record |
| Tylor Megill | 1 | First positive recorded appearance: 2021 · Long Beach, CA, USA | Source record |
| Tyrone Taylor | 1 | First positive recorded appearance: 2019 · Torrance, CA, USA | Source record |
| Tyson Miller | 1 | First positive recorded appearance: 2020 · Fairfield, CA, USA | Source record |
| Tyson Ross | 1 | First positive recorded appearance: 2010 · Berkeley, CA, USA | Source record |
| Val Pascucci | 1 | First positive recorded appearance: 2004 · Bellflower, CA, USA | Source record |
| Vance McHenry | 1 | First positive recorded appearance: 1981 · Chico, CA, USA | Source record |
| Vance Worley | 1 | First positive recorded appearance: 2010 · Sacramento, CA, USA | Source record |
| Vic Darensbourg | 1 | First positive recorded appearance: 1998 · Los Angeles, CA, USA | Source record |
| Vic Harris | 1 | First positive recorded appearance: 1972 · Los Angeles, CA, USA | Source record |
| Vic LaRose | 1 | First positive recorded appearance: 1968 · Los Angeles, CA, USA | Source record |
| Vic Lombardi | 1 | First positive recorded appearance: 1945 · Reedley, CA, USA | Source record |
| Victor Bernal | 1 | First positive recorded appearance: 1977 · Los Angeles, CA, USA | Source record |
| Victor Vodnik | 1 | First positive recorded appearance: 2023 · Whittier, CA, USA | Source record |
| Vidal Nuno | 1 | First positive recorded appearance: 2013 · National City, CA, USA | Source record |
| Vince DiMaggio | 1 | First positive recorded appearance: 1937 · Martinez, CA, USA | Source record |
| Vince Velasquez | 1 | First positive recorded appearance: 2015 · Montclair, CA, USA | Source record |
| Vinnie Pestano | 1 | First positive recorded appearance: 2010 · Huntington Beach, CA, USA | Source record |
| Virgil Vasquez | 1 | First positive recorded appearance: 2007 · Santa Barbara, CA, USA | Source record |
| Von Hayes | 1 | First positive recorded appearance: 1981 · Stockton, CA, USA | Source record |
| Von Joshua | 1 | First positive recorded appearance: 1969 · Oakland, CA, USA | Source record |
| Wade Meckler | 1 | First positive recorded appearance: 2023 · Anaheim, CA, USA | Source record |
| Wally Hood | 1 | First positive recorded appearance: 1920 · Whittier, CA, USA | Source record |
| Wally Hood | 1 | First positive recorded appearance: 1949 · Los Angeles, CA, USA | Source record |
| Wally Judnich | 1 | First positive recorded appearance: 1940 · San Francisco, CA, USA | Source record |
| Wally Ritchie | 1 | First positive recorded appearance: 1987 · Glendale, CA, USA | Source record |
| Wally Westlake | 1 | First positive recorded appearance: 1947 · Gridley, CA, USA | Source record |
| Wally Wolf | 1 | First positive recorded appearance: 1969 · South Gate, CA, USA | Source record |
| Walt Kuhn | 1 | First positive recorded appearance: 1912 · Fresno, CA, USA | Source record |
| Walter Christensen | 1 | First positive recorded appearance: 1926 · San Francisco, CA, USA | Source record |
| Warren Brusstar | 1 | First positive recorded appearance: 1977 · Oakland, CA, USA | Source record |
| Wayne Belardi | 1 | First positive recorded appearance: 1950 · St. Helena, CA, USA | Source record |
| Wayne Edwards | 1 | First positive recorded appearance: 1989 · Burbank, CA, USA | Source record |
| Wayne Gross | 1 | First positive recorded appearance: 1976 · Riverside, CA, USA | Source record |
| Wayne Osborne | 1 | First positive recorded appearance: 1935 · Watsonville, CA, USA | Source record |
| Wayne Simpson | 1 | First positive recorded appearance: 1970 · Los Angeles, CA, USA | Source record |
| Wes Kingdon | 1 | First positive recorded appearance: 1932 · Los Angeles, CA, USA | Source record |
| Wes Littleton | 1 | First positive recorded appearance: 2006 · Hayward, CA, USA | Source record |
| Will Smalley | 1 | First positive recorded appearance: 1890 · Oakland, CA, USA | Source record |
| Will Venable | 1 | First positive recorded appearance: 2008 · Greenbrae, CA, USA | Source record |
| Willard Hershberger | 1 | First positive recorded appearance: 1938 · Lemoncove, CA, USA | Source record |
| William Brown | 1 | First positive recorded appearance: 1887 · San Francisco, CA, USA | Source record |
| William McLaughlin | 1 | First positive recorded appearance: 1884 · Sacramento County, CA, USA | Source record |
| Willie Calhoun | 1 | First positive recorded appearance: 2017 · Vallejo, CA, USA | Source record |
| Willie Crawford | 1 | First positive recorded appearance: 1964 · Los Angeles, CA, USA | Source record |
| Willie Eyre | 1 | First positive recorded appearance: 2006 · Fountain Valley, CA, USA | Source record |
| Willie Hogan | 1 | First positive recorded appearance: 1911 · North San Juan, CA, USA | Source record |
| Willie Kamm | 1 | First positive recorded appearance: 1923 · San Francisco, CA, USA | Source record |
| Willie Ludolph | 1 | First positive recorded appearance: 1924 · San Francisco, CA, USA | Source record |
| Willie MacIver | 1 | First positive recorded appearance: 2025 · Pleasant Hill, CA, USA | Source record |
| Willie McGee | 1 | First positive recorded appearance: 1982 · San Francisco, CA, USA | Source record |
| Windy McCall | 1 | First positive recorded appearance: 1948 · San Francisco, CA, USA | Source record |
| Woodie Held | 1 | First positive recorded appearance: 1954 · Sacramento, CA, USA | Source record |
| Woody Main | 1 | First positive recorded appearance: 1948 · Delano, CA, USA | Source record |
| Wynton Bernard | 1 | First positive recorded appearance: 2022 · San Diego, CA, USA | Source record |
| Xavier Nady | 1 | First positive recorded appearance: 2000 · Salinas, CA, USA | Source record |
| Xavier Scruggs | 1 | First positive recorded appearance: 2014 · Diamond Bar, CA, USA | Source record |
| Youngy Johnson | 1 | First positive recorded appearance: 1897 · San Francisco, CA, USA | Source record |
| Zac Grotz | 1 | First positive recorded appearance: 2019 · San Mateo, CA, USA | Source record |
| Zach Crouch | 1 | First positive recorded appearance: 1988 · Folsom, CA, USA | Source record |
| Zach Green | 1 | First positive recorded appearance: 2019 · Carmichael, CA, USA | Source record |
| Zach Phillips | 1 | First positive recorded appearance: 2011 · Sacramento, CA, USA | Source record |
| Zach Vincej | 1 | First positive recorded appearance: 2017 · San Diego, CA, USA | Source record |
| Zack Britton | 1 | First positive recorded appearance: 2011 · Panorama City, CA, USA | Source record |
| Zack Weiss | 1 | First positive recorded appearance: 2018 · Irvine, CA, USA | Source record |
| Zaza Harvey | 1 | First positive recorded appearance: 1900 · Saratoga, CA, USA | Source record |