Players who played for the Kansas City Royals and San Francisco Giants
77 players
77 players have played for both the Kansas City Royals and the San Francisco Giants. Jeremy Affeldt spent the most seasons with the two: 5 with the Kansas City Royals and 7 with the San Francisco Giants. On a roster now: Mike Yastrzemski, Jakob Junis, and Spencer Bivens. Every season since 1876 is on file.
| Player | Pos | KC | SF |
|---|---|---|---|
| Jeremy Affeldt | RP | 2002–2006 · 5 seasons | 2009–2015 · 7 seasons |
| Mike McCormick | P | 1971 · 1 season | 1956–1969 · 10 seasons |
| Brent Mayne | C | 1990–2003 · 8 seasons | 1998–1999 · 2 seasons |
| Bud Black | SP | 1982–1987 · 6 seasons | 1991–1994 · 4 seasons |
| Dan Quisenberry | RP | 1979–1987 · 9 seasons | 1990 · 1 season |
| Orlando Cepeda | — | 1974 · 1 season | 1958–1965 · 8 seasons |
| Mike Yastrzemski | LF | 2025 · 1 season | 2019–2025 · 7 seasons |
| Carlos Ivan Beltran | OF | 1998–2004 · 7 seasons | 2011 · 1 season |
| Chili Davis | DH | 1997 · 1 season | 1981–1987 · 7 seasons |
| Atlee Hammaker | RP | 1981 · 1 season | 1982–1989 · 7 seasons |
| Vida Blue | SP | 1982–1983 · 2 seasons | 1978–1986 · 6 seasons |
| Jim Wohlford | 3B | 1972–1976 · 5 seasons | 1980–1982 · 3 seasons |
| Jakob Junis | RP | 2017–2021 · 5 seasons | 2022–2023 · 2 seasons |
| Johnny Cueto | SP | 2015 · 1 season | 2016–2021 · 6 seasons |
| Gregor Blanco | LF | 2010 · 1 season | 2012–2018 · 6 seasons |
| Jonathan Sanchez | SP | 2012 · 1 season | 2006–2011 · 6 seasons |
| Mark Gardner | SP | 1993 · 1 season | 1996–2001 · 6 seasons |
| Mike LaCoss | RP | 1985 · 1 season | 1986–1991 · 6 seasons |
| Brad Wellman | 2B | 1988–1989 · 2 seasons | 1982–1986 · 5 seasons |
| Scott Alexander | RP | 2015–2017 · 3 seasons | 2022–2025 · 3 seasons |
| Will Smith | RP | 2012–2024 · 3 seasons | 2016–2019 · 3 seasons |
| Michael Tucker | RF | 1995–2003 · 4 seasons | 2004–2005 · 2 seasons |
| Mark W. Davis | RP | 1990–1991 · 2 seasons | 1983–1986 · 4 seasons |
| Fran Healy | — | 1969–1975 · 4 seasons | 1971–1972 · 2 seasons |
| Jorge Soler | DH | 2017–2020 · 4 seasons | 2024 · 1 season |
| Wilson Delgado | SS | 2001 · 1 season | 1996–1999 · 4 seasons |
| Steve Scarsone | SS | 1999 · 1 season | 1993–1996 · 4 seasons |
| Renie Martin | RP | 1979–1981 · 3 seasons | 1982–1983 · 2 seasons |
| Rich Gale | RP | 1978–1981 · 4 seasons | 1982 · 1 season |
| Spencer Bivens | RP | 2026 · 1 season | 2024–2026 · 3 seasons |
| Matt Duffy | 3B | 2023 · 1 season | 2014–2016 · 3 seasons |
| Jeff Francoeur | LF | 2011–2013 · 3 seasons | 2013 · 1 season |
| Ramon Ramirez | RP | 2008 · 1 season | 2010–2013 · 3 seasons |
| Denny Bautista | SP | 2004–2006 · 3 seasons | 2010 · 1 season |
| Jose Guillen | RF | 2008–2010 · 3 seasons | 2010 · 1 season |
| Ryan Jensen | SP | 2005 · 1 season | 2001–2003 · 3 seasons |
| Benito Santiago | C | 2004 · 1 season | 2001–2003 · 3 seasons |
| Cory Bailey | RP | 2001–2002 · 2 seasons | 1997–1998 · 2 seasons |
| Tom Goodwin | LF | 1994–1996 · 3 seasons | 2002 · 1 season |
| Bob Melvin | C | 1992 · 1 season | 1986–1988 · 3 seasons |
| Lindy McDaniel | P | 1974–1975 · 2 seasons | 1966–1967 · 2 seasons |
| Mason Black | RP | 2026 · 1 season | 2024–2025 · 2 seasons |
| Erik Kratz | C | 2014–2015 · 2 seasons | 2019 · 1 season |
| Melky Cabrera | RF | 2011–2017 · 2 seasons | 2012 · 1 season |
| Vin Mazzaro | RP | 2011–2012 · 2 seasons | 2016 · 1 season |
| Justin Maxwell | CF | 2013–2014 · 2 seasons | 2015 · 1 season |
| Tony Abreu | 2B | 2012 · 1 season | 2013–2014 · 2 seasons |
| Jose Mijares | RP | 2012 · 1 season | 2012–2013 · 2 seasons |
| Todd Wellemeyer | RP | 2006–2007 · 2 seasons | 2010 · 1 season |
| Jamey Wright | RP | 2003–2009 · 2 seasons | 2006 · 1 season |
| Brett Tomko | SP | 2008 · 1 season | 2004–2005 · 2 seasons |
| Reggie Sanders | RF | 2006–2007 · 2 seasons | 2002 · 1 season |
| Alberto Castillo | C | 2004–2005 · 2 seasons | 2003 · 1 season |
| Neifi Perez | SS | 2002 · 1 season | 2003–2004 · 2 seasons |
| Dave McCarty | 1B | 2000–2001 · 2 seasons | 1996 · 1 season |
| Rey Sanchez | 2B | 1999–2000 · 2 seasons | 1998 · 1 season |
| Scott Service | RP | 1998–1999 · 2 seasons | 1995 · 1 season |
| Andy McGaffigan | RP | 1991 · 1 season | 1982–1983 · 2 seasons |
| Mike Kingery | CF | 1986 · 1 season | 1990–1991 · 2 seasons |
| Alan Hargesheimer | RP | 1986 · 1 season | 1980–1981 · 2 seasons |
| Bob Tufts | RP | 1982–1983 · 2 seasons | 1981 · 1 season |
| Jerry Martin | 1B | 1982–1983 · 2 seasons | 1981 · 1 season |
| Mark Canha | LF | 2025 · 1 season | 2024 · 1 season |
| Trevor Cahill | SP | 2017 · 1 season | 2020 · 1 season |
| Norichika Aoki | RF | 2014 · 1 season | 2015 · 1 season |
| Juan Gutierrez | RP | 2013 · 1 season | 2014 · 1 season |
| Miguel Tejada | 2B | 2013 · 1 season | 2011 · 1 season |
| Jeff Keppinger | 2B | 2006 · 1 season | 2011 · 1 season |
| Sidney Ponson | SP | 2009 · 1 season | 2003 · 1 season |
| Al Levine | RP | 2003 · 1 season | 2005 · 1 season |
| Matt Kinney | P | 2004 · 1 season | 2005 · 1 season |
| Jay Witasick | RP | 1999 · 1 season | 2002 · 1 season |
| Doug Henry | RP | 2001 · 1 season | 1997 · 1 season |
| Pat Rapp | SP | 1998 · 1 season | 1992 · 1 season |
| Enrique Burgos | RP | 1993 · 1 season | 1995 · 1 season |
| Bob Heise | — | 1977 · 1 season | 1970 · 1 season |
| Bill Sorrell | — | 1970 · 1 season | 1967 · 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.
Kansas City Royals vs San Francisco Giants: head-to-head record →