Players who played for the Athletics and San Francisco Giants
125 players
125 players have played for both the Athletics and the San Francisco Giants. Harry Davis spent the most seasons with the two: 16 with the Athletics and 1 with the San Francisco Giants. On a roster now: Sean Manaea, Brett Harris, Donovan Walton, Joel Kuhnel, and Rico Garcia. Every season since 1876 is on file.
| Player | Pos | ATH | SF |
|---|---|---|---|
| Harry Davis | — | 1901–1917 · 16 seasons | 1895 · 1 season |
| Santiago Casilla | RP | 2004–2018 · 8 seasons | 2010–2016 · 7 seasons |
| Barry Zito | SP | 2000–2015 · 8 seasons | 2007–2013 · 7 seasons |
| Vida Blue | SP | 1969–1977 · 9 seasons | 1978–1986 · 6 seasons |
| Danny Murphy | — | 1902–1913 · 12 seasons | 1900–1901 · 2 seasons |
| Johnnie LeMaster | 3B | 1987 · 1 season | 1975–1984 · 10 seasons |
| Sergio Romo | RP | 2021 · 1 season | 2008–2016 · 9 seasons |
| Tito Fuentes | — | 1978 · 1 season | 1965–1974 · 9 seasons |
| Stan Javier | LF | 1986–1995 · 6 seasons | 1996–1998 · 3 seasons |
| Matt Chapman | 3B | 2017–2021 · 5 seasons | 2024–2026 · 3 seasons |
| Mark Canha | LF | 2015–2021 · 7 seasons | 2024 · 1 season |
| Yusmeiro Petit | P | 2018–2021 · 4 seasons | 2012–2015 · 4 seasons |
| Tim Hudson | SP | 1999–2004 · 6 seasons | 2014–2015 · 2 seasons |
| Miguel Tejada | 2B | 1997–2003 · 7 seasons | 2011 · 1 season |
| Bill North | CF | 1973–1977 · 5 seasons | 1979–1981 · 3 seasons |
| Roy Parmelee | P | 1939 · 1 season | 1929–1935 · 7 seasons |
| Sean Manaea | RP | 2016–2021 · 6 seasons | 2023 · 1 season |
| Stephen Vogt | DH | 2013–2022 · 6 seasons | 2019 · 1 season |
| Marco Scutaro | 2B | 2004–2007 · 4 seasons | 2012–2014 · 3 seasons |
| Jay Witasick | RP | 1996–2007 · 6 seasons | 2002 · 1 season |
| Kelly Downs | RP | 1993 · 1 season | 1986–1991 · 6 seasons |
| Dave Kingman | DH | 1984–1986 · 3 seasons | 1971–1974 · 4 seasons |
| Jesus Alou | — | 1974 · 1 season | 1963–1968 · 6 seasons |
| Felipe Alou | — | 1970 · 1 season | 1958–1963 · 6 seasons |
| Lou Trivino | RP | 2018–2022 · 5 seasons | 2025 · 1 season |
| Jeff Samardzija | SP | 2014 · 1 season | 2016–2020 · 5 seasons |
| Rajai Davis | CF | 2008–2017 · 4 seasons | 2007–2008 · 2 seasons |
| Dave Heaverlo | RP | 1978–1981 · 3 seasons | 1975–1977 · 3 seasons |
| Trevor Cahill | SP | 2009–2018 · 4 seasons | 2020 · 1 season |
| Cory Gearrin | RP | 2018 · 1 season | 2015–2018 · 4 seasons |
| Chad Gaudin | RP | 2006–2010 · 4 seasons | 2013 · 1 season |
| Tim Worrell | RP | 1999 · 1 season | 2001–2006 · 4 seasons |
| Gil Heredia | SP | 1998–2001 · 4 seasons | 1991 · 1 season |
| Kevin Mitchell | DH | 1998 · 1 season | 1988–1991 · 4 seasons |
| Darren Lewis | LF | 1990 · 1 season | 1991–1994 · 4 seasons |
| Phil Garner | 3B | 1973–1976 · 4 seasons | 1988 · 1 season |
| Bob Lacey | RP | 1977–1980 · 4 seasons | 1984 · 1 season |
| Brian Kingman | RP | 1979–1982 · 4 seasons | 1983 · 1 season |
| John D'Acquisto | RP | 1982 · 1 season | 1973–1976 · 4 seasons |
| Bill Shores | P | 1928–1931 · 4 seasons | 1933 · 1 season |
| Rube Schauer | P | 1917 · 1 season | 1913–1916 · 4 seasons |
| Brett Harris | 3B | 2024–2026 · 3 seasons | 2026 · 1 season |
| Scott Alexander | RP | 2024 · 1 season | 2022–2025 · 3 seasons |
| Alex Wood | SP | 2024 · 1 season | 2021–2023 · 3 seasons |
| Dan Otero | RP | 2013–2015 · 3 seasons | 2012 · 1 season |
| Alan Embree | RP | 2007–2008 · 2 seasons | 1999–2000 · 2 seasons |
| Manny Trillo | 2B | 1973–1974 · 2 seasons | 1984–1985 · 2 seasons |
| Elias Sosa | RP | 1978 · 1 season | 1972–1974 · 3 seasons |
| Gordon Jones | P | 1962 · 1 season | 1957–1959 · 3 seasons |
| Wayne Terwilliger | — | 1959–1960 · 2 seasons | 1955–1956 · 2 seasons |
| Jim Finigan | — | 1954–1956 · 3 seasons | 1958 · 1 season |
| Bobo Newsom | P | 1944–1953 · 3 seasons | 1948 · 1 season |
| Jimmy Ripple | — | 1943 · 1 season | 1936–1938 · 3 seasons |
| Babe Barna | — | 1937–1938 · 2 seasons | 1941–1942 · 2 seasons |
| Chick Davies | P | 1914–1915 · 2 seasons | 1925–1926 · 2 seasons |
| Donovan Walton | 2B | 2026 · 1 season | 2022–2024 · 2 seasons |
| J.D. Davis | 3B | 2024 · 1 season | 2022–2023 · 2 seasons |
| Jharel Cotton | RP | 2016–2017 · 2 seasons | 2022 · 1 season |
| Tommy La Stella | DH | 2020 · 1 season | 2021–2022 · 2 seasons |
| Scott Kazmir | SP | 2014–2015 · 2 seasons | 2021 · 1 season |
| Drew Pomeranz | RP | 2014–2015 · 2 seasons | 2019 · 1 season |
| Fernando Abad | RP | 2014–2015 · 2 seasons | 2019 · 1 season |
| Nick Hundley | C | 2019 · 1 season | 2017–2018 · 2 seasons |
| Eric Surkamp | SP | 2016 · 1 season | 2011–2013 · 2 seasons |
| Vin Mazzaro | RP | 2009–2010 · 2 seasons | 2016 · 1 season |
| Cody Ross | RF | 2015 · 1 season | 2010–2011 · 2 seasons |
| Jeremy Accardo | RP | 2012 · 1 season | 2005–2006 · 2 seasons |
| Travis Blackley | SP | 2012 · 1 season | 2007–2012 · 2 seasons |
| Brett Tomko | SP | 2009 · 1 season | 2004–2005 · 2 seasons |
| Brent Mayne | C | 1997 · 1 season | 1998–1999 · 2 seasons |
| Mike Kingery | CF | 1992 · 1 season | 1990–1991 · 2 seasons |
| Ernest Riles | 2B | 1991 · 1 season | 1989–1990 · 2 seasons |
| Bill Bathe | C | 1986 · 1 season | 1989–1990 · 2 seasons |
| Rick Rodriguez | RP | 1986–1987 · 2 seasons | 1990 · 1 season |
| Dusty Baker | DH | 1985–1986 · 2 seasons | 1984 · 1 season |
| Joe Morgan | 2B | 1984 · 1 season | 1981–1982 · 2 seasons |
| Bob Kearney | C | 1982–1983 · 2 seasons | 1979 · 1 season |
| Champ Summers | 1B | 1974 · 1 season | 1982–1983 · 2 seasons |
| Don Larsen | P | 1960 · 1 season | 1962–1963 · 2 seasons |
| Ray Jablonski | — | 1960 · 1 season | 1957–1958 · 2 seasons |
| Bill Connelly | P | 1945 · 1 season | 1952–1953 · 2 seasons |
| Herman Franks | — | 1947–1948 · 2 seasons | 1949 · 1 season |
| Billy Werber | — | 1937–1938 · 2 seasons | 1942 · 1 season |
| Ed Madjeski | — | 1932–1933 · 2 seasons | 1937 · 1 season |
| Frank Walker | — | 1920–1921 · 2 seasons | 1925 · 1 season |
| Mule Watson | P | 1918–1919 · 2 seasons | 1924 · 1 season |
| Red Shea | P | 1918 · 1 season | 1921–1922 · 2 seasons |
| Bill Bartley | P | 1906–1907 · 2 seasons | 1903 · 1 season |
| Billy Lauder | — | 1901 · 1 season | 1902–1903 · 2 seasons |
| Joel Kuhnel | RP | 2026 · 1 season | 2026 · 1 season |
| Rico Garcia | RP | 2023 · 1 season | 2020 · 1 season |
| Corban Joseph | 2B | 2019 · 1 season | 2019 · 1 season |
| Pat Venditte | RP | 2015 · 1 season | 2019 · 1 season |
| Grant Green | 2B | 2013 · 1 season | 2016 · 1 season |
| Brandon Hicks | SS | 2012 · 1 season | 2014 · 1 season |
| Guillermo Moscoso | RP | 2011 · 1 season | 2013 · 1 season |
| Orlando Cabrera | SS | 2009 · 1 season | 2011 · 1 season |
| Jose Guillen | RF | 2003 · 1 season | 2010 · 1 season |
| Dan Giese | SP | 2009 · 1 season | 2007 · 1 season |
| Keiichi Yabu | RP | 2005 · 1 season | 2008 · 1 season |
| Doug Clark | OF | 2006 · 1 season | 2005 · 1 season |
| Alberto Castillo | C | 2005 · 1 season | 2003 · 1 season |
| Dave McCarty | 1B | 2003 · 1 season | 1996 · 1 season |
| F.P. Santangelo | 2B | 2001 · 1 season | 1999 · 1 season |
| Scott Service | RP | 2000 · 1 season | 1995 · 1 season |
| Ed Vosberg | RP | 1994 · 1 season | 1990 · 1 season |
| Ed Jurak | SS | 1988 · 1 season | 1989 · 1 season |
| Ernie Camacho | RP | 1980 · 1 season | 1989 · 1 season |
| Lary Sorensen | RP | 1984 · 1 season | 1988 · 1 season |
| Rusty Tillman | LF | 1986 · 1 season | 1988 · 1 season |
| Alejandro Sanchez | RF | 1987 · 1 season | 1984 · 1 season |
| Luis Quinones | SS | 1983 · 1 season | 1986 · 1 season |
| Randy Elliott | DH | 1980 · 1 season | 1977 · 1 season |
| Dick Culler | — | 1936 · 1 season | 1949 · 1 season |
| Bob Joyce | P | 1939 · 1 season | 1946 · 1 season |
| Hal Luby | — | 1936 · 1 season | 1944 · 1 season |
| Bobby Coombs | P | 1933 · 1 season | 1943 · 1 season |
| Eddie Mayo | — | 1943 · 1 season | 1936 · 1 season |
| Bill Cissell | — | 1937 · 1 season | 1938 · 1 season |
| Joe Bowman | P | 1932 · 1 season | 1934 · 1 season |
| Bill Haeffner | — | 1915 · 1 season | 1928 · 1 season |
| Fred Lear | — | 1915 · 1 season | 1920 · 1 season |
| Pug Griffin | — | 1917 · 1 season | 1920 · 1 season |
| Bert Maxwell | P | 1908 · 1 season | 1911 · 1 season |
| Billy Milligan | P | 1901 · 1 season | 1904 · 1 season |
Regular season, under every name each club has played as. A season split by a trade counts for both clubs where the game logs reach it (NBA from 1993-94, NFL 1994, NHL 1996, MLB 2001). Longest stay with the two first.