GM: Sandy Alderson (since 1983)
| Player | Age | Service | G | fWAR | Salary $M | Surplus $M |
|---|---|---|---|---|---|---|
| Tony Phillips | 27 | arb | 118 | 4.0 | 0.3 | +0.9 |
| Dwayne Murphy | 31 | FA-elig | 98 | 3.7 | 0.9 | +0.2 |
| Mike Davis | 27 | FA-elig | 142 | 3.5 | 0.6 | +0.4 |
| Carney Lansford | 29 | FA-elig | 151 | 3.0 | 1.2 | -0.3 |
| Jose Canseco | 21 | pre-arb | 157 | 2.9 | 0.1 | +0.8 |
| Curt Young | 26 | arb | 29 | 2.8 | 0.1 | +0.8 |
| Alfredo Griffin | 28 | FA-elig | 162 | 2.4 | 0.6 | +0.1 |
| Jose Rijo | 21 | pre-arb | 39 | 1.7 | 0.1 | +0.4 |
| Moose Haas | 30 | – | 12 | 1.6 | – | – |
| Donnie Hill | 25 | arb | 108 | 1.5 | 0.2 | +0.2 |
| Dave Stewart↔ PHI | 29 | FA-elig | 29 | 1.5 | 0.0 | +0.4 |
| Mickey Tettleton | 25 | pre-arb | 90 | 1.3 | 0.1 | +0.3 |
| Jay Howell | 30 | FA-elig | 38 | 0.9 | 0.5 | -0.3 |
| Jerry Willard | 26 | pre-arb | 75 | 0.8 | 0.1 | +0.2 |
| Bruce Bochte | 35 | FA-elig | 125 | 0.8 | 0.6 | -0.3 |
| Bill Mooneyham | 25 | pre-arb | 45 | 0.7 | 0.1 | +0.2 |
| Stan Javier | 22 | – | 59 | 0.6 | – | – |
| Doug Bair | 36 | FA-elig | 31 | 0.4 | 0.1 | +0.0 |
| Mike Gallego | 25 | – | 20 | 0.4 | – | – |
| Joaquin Andujar | 33 | FA-elig | 28 | 0.3 | 1.2 | -1.1 |
| Lenn Sakata | 32 | FA-elig | 17 | 0.3 | 0.1 | +0.0 |
| Dave Vonohlen | 27 | – | 24 | 0.2 | – | – |
| Terry Steinbach | 24 | – | 6 | 0.2 | – | – |
| Steve Ontiveros | 25 | pre-arb | 47 | 0.1 | 0.1 | -0.1 |
| Fernando Arroyo | 34 | – | 1 | 0.0 | – | – |
| Wayne Gross | 34 | FA-elig | 3 | -0.0 | 0.1 | -0.1 |
| Dusty Baker Jr. | 37 | FA-elig | 83 | -0.0 | 0.5 | -0.5 |
| Rusty Tillman | 25 | arb | 22 | -0.0 | 0.1 | -0.1 |
| Tom Dozier | 24 | – | 4 | -0.1 | – | – |
| Rick Peters | 30 | – | 44 | -0.1 | – | – |
| Bill Krueger | 28 | arb | 11 | -0.1 | 0.2 | -0.2 |
| Rob Nelson | 22 | – | 5 | -0.1 | – | – |
| Chris Codiroli | 28 | arb | 16 | -0.1 | 0.3 | -0.3 |
| Tim Birtsas | 25 | – | 2 | -0.1 | – | – |
| Darrel Akerfelds | 24 | – | 2 | -0.1 | – | – |
| Keith Atherton↔ MIN | 27 | arb | 13 | -0.2 | 0.0 | -0.1 |
| Bill Bathe | 25 | – | 39 | -0.2 | – | – |
| Rick Rodriguez | 25 | – | 3 | -0.3 | – | – |
| Mark McGwire | 22 | pre-arb | 18 | -0.3 | 0.1 | -0.1 |
| Dave Leiper | 24 | pre-arb | 33 | -0.3 | 0.1 | -0.1 |
| Rick Langford | 34 | FA-elig | 17 | -0.4 | 0.5 | -0.6 |
| Eric Plunk | 22 | pre-arb | 26 | -0.5 | 0.1 | -0.2 |
| Steve Henderson | 33 | FA-elig | 11 | -0.6 | 0.2 | -0.4 |
| Dave Kingman | 37 | FA-elig | 144 | -0.8 | 0.7 | -1.0 |
44 players appeared (WAR is complete); salary & surplus are on record for 31 of them (70%). 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 |