GM: Billy Beane (since 1998)
| Player | Age | Service | G | fWAR | Salary $M | Surplus $M |
|---|---|---|---|---|---|---|
| Josh Donaldson | 28 | arb | 158 | 5.7 | 0.5 | +16.1 |
| Sonny Gray | 24 | pre-arb | 33 | 3.4 | 0.5 | +9.5 |
| Scott Kazmir | 30 | FA-elig | 32 | 3.3 | 7.0 | +2.8 |
| Brandon Moss | 30 | FA-elig | 147 | 2.7 | 4.1 | +3.7 |
| Yoenis Cespedes↔ BOS | 28 | pre-arb | 101 | 2.5 | 7.0 | +0.4 |
| Sean Doolittle | 27 | pre-arb | 62 | 2.5 | 0.6 | +6.5 |
| Derek Norris | 25 | pre-arb | 127 | 2.2 | 0.5 | +5.8 |
| Jeff Samardzija↔ CHC | 29 | FA-elig | 16 | 2.2 | 2.6 | +3.7 |
| Josh Reddick | 27 | arb | 109 | 2.1 | 2.7 | +3.6 |
| Jed Lowrie | 30 | FA-elig | 136 | 1.7 | 5.2 | -0.2 |
| Coco Crisp | 34 | FA-elig | 126 | 1.7 | 7.5 | -2.7 |
| Jon Lester↔ BOS | 30 | FA-elig | 11 | 1.6 | 4.5 | +0.1 |
| Jesse Chavez | 30 | FA-elig | 32 | 1.5 | 0.8 | +3.7 |
| Stephen Vogt | 29 | pre-arb | 84 | 1.5 | 0.5 | +3.8 |
| Craig Gentry | 30 | arb | 94 | 1.3 | 1.1 | +2.6 |
| Sam Fuld↔ MIN | 32 | FA-elig | 60 | 1.1 | 0.4 | +2.9 |
| Luke Gregerson | 30 | arb | 72 | 0.9 | 5.1 | -2.4 |
| Drew Pomeranz | 25 | pre-arb | 20 | 0.7 | 0.4 | +1.8 |
| Dan Otero | 29 | pre-arb | 72 | 0.7 | 0.5 | +1.5 |
| Fernando Abad | 28 | arb | 69 | 0.6 | 0.5 | +1.4 |
| Tommy Milone↔ MIN | 27 | arb | 17 | 0.6 | 0.4 | +1.4 |
| John Jaso | 30 | FA-elig | 99 | 0.6 | 2.3 | -0.7 |
| Kyle Blanks↔ SDP | 27 | arb | 21 | 0.5 | 0.8 | +0.8 |
| Geovany Soto↔ TEX | 31 | FA-elig | 14 | 0.4 | 1.8 | -0.7 |
| Ryan Cook | 27 | arb | 54 | 0.3 | 0.5 | +0.4 |
| Nick Punto | 36 | FA-elig | 73 | 0.2 | 2.8 | -2.2 |
| Eric Sogard | 28 | arb | 117 | 0.1 | 0.5 | -0.2 |
| Fernando Rodriguez Jr. | 30 | arb | 7 | 0.1 | 0.6 | -0.3 |
| Jeff Francis↔ CIN | 33 | – | 9 | 0.0 | – | – |
| Nate Freiman | 27 | pre-arb | 36 | 0.0 | 0.2 | -0.2 |
| Brad Mills↔ TOR | 29 | – | 3 | 0.0 | – | – |
| Adam Dunn↔ CHW | 34 | FA-elig | 25 | -0.0 | 2.9 | -2.9 |
| Joe Savery | 28 | pre-arb | 3 | -0.0 | 0.5 | -0.5 |
| Andy Parrino | 28 | – | 21 | -0.0 | – | – |
| Bryan Anderson | 27 | – | 1 | -0.0 | – | – |
| Eric O'Flaherty | 29 | FA-elig | 21 | -0.1 | 1.5 | -1.7 |
| Josh Lindblom | 27 | – | 1 | -0.1 | – | – |
| Evan Scribner | 28 | arb | 13 | -0.2 | 0.5 | -1.0 |
| Billy Burns | 24 | – | 13 | -0.2 | 0.2 | -0.8 |
| Dan Straily↔ CHC | 25 | pre-arb | 7 | -0.2 | 0.3 | -0.9 |
| Jonny Gomes↔ BOS | 33 | FA-elig | 34 | -0.3 | 1.5 | -2.3 |
| Jason Hammel↔ CHC | 31 | FA-elig | 13 | -0.3 | 2.6 | -3.5 |
| Daric Barton | 28 | FA-elig | 30 | -0.5 | 1.2 | -2.7 |
| Jim Johnson↔ DET | 31 | FA-elig | 38 | -0.6 | 7.0 | -8.8 |
| Alberto Callaspo | 31 | FA-elig | 127 | -1.3 | 4.9 | -8.6 |
45 players appeared (WAR is complete); salary & surplus are on record for 40 of them (89%). Players without a salary show "–" — no single historical salary source is fully complete (especially 2020–2022).
WAR = FanGraphs (fWAR). Green = produced more value than paid (bargain); red = paid more than produced. Service: pre-arb (<3 yr) / arb (3–6) / FA-eligible (6+). Click headers to sort.
| Player | Year | WAR for OAK |
|---|---|---|
| Rickey Henderson | 1989 | 26.8 |
| Mark Ellis | 2001 | 22.1 |
| Dennis Eckersley | 1987 | 19.3 |
| Carney Lansford | 1982 | 16.7 |
| Josh Donaldson | 2008 | 13.8 |
| Jed Lowrie | 2013 | 13.0 |
| Brett Anderson | 2007 | 11.5 |
| Sean Manaea | 2015 | 11.2 |
| Player | Year traded | WAR elsewhere |
|---|---|---|
| Rickey Henderson | 1984 | 26.6 |
| Carlos González | 2008 | 24.7 |
| Andre Ethier | 2005 | 24.4 |
| Gio Gonzalez | 2011 | 20.8 |
| Josh Donaldson | 2014 | 20.4 |
| Mark McGwire | 1997 | 19.7 |
| Aaron Harang | 2003 | 19.3 |
| Jeremy Bonderman | 2002 | 15.8 |