GM: Woody Woodward (since 1989)
| Player | Age | Service | G | fWAR | Salary $M | Surplus $M |
|---|---|---|---|---|---|---|
| Harold Reynolds | 28 | FA-elig | 153 | 4.2 | 0.6 | +0.9 |
| Alvin Davis | 28 | arb | 142 | 4.1 | 1.4 | +0.1 |
| Scott Bankhead | 25 | arb | 33 | 3.5 | 0.2 | +1.0 |
| Mike Schooler | 26 | pre-arb | 67 | 2.7 | 0.1 | +0.8 |
| Ken Griffey Jr. | 19 | pre-arb | 127 | 2.5 | 0.1 | +0.8 |
| Erik Hanson | 24 | pre-arb | 17 | 2.4 | 0.1 | +0.8 |
| Brian Holman↔ WSN | 24 | – | 23 | 2.3 | – | – |
| Dave Valle | 28 | arb | 94 | 2.2 | 0.3 | +0.5 |
| Greg Briley | 24 | pre-arb | 115 | 2.1 | 0.1 | +0.7 |
| Mark Langston↔ WSN | 28 | arb | 10 | 2.1 | 0.4 | +0.4 |
| Randy Johnson↔ WSN | 25 | pre-arb | 22 | 1.6 | 0.1 | +0.5 |
| Bill Swift | 27 | arb | 37 | 1.5 | 0.2 | +0.3 |
| Jay Buhner | 24 | pre-arb | 58 | 1.3 | 0.1 | +0.4 |
| Jeffrey Leonard | 33 | FA-elig | 150 | 0.8 | 1.0 | -0.7 |
| Mike Dunne↔ PIT | 26 | pre-arb | 15 | 0.7 | 0.2 | +0.1 |
| Mike Jackson | 24 | arb | 65 | 0.6 | 0.3 | -0.1 |
| Henry Cotto | 28 | arb | 100 | 0.5 | 0.2 | -0.1 |
| Edgar Martinez | 26 | – | 65 | 0.5 | – | – |
| Clint Zavaras | 22 | – | 10 | 0.4 | – | – |
| Keith Comstock | 33 | arb | 31 | 0.3 | 0.1 | +0.0 |
| Scott Bradley | 29 | arb | 103 | 0.2 | 0.3 | -0.2 |
| Mike Kingery | 28 | – | 31 | 0.1 | – | – |
| Gene Harris↔ WSN | 24 | pre-arb | 11 | 0.1 | 0.0 | +0.0 |
| Omar Vizquel | 22 | pre-arb | 143 | 0.1 | 0.1 | -0.0 |
| Bruce Fields | 28 | – | 3 | 0.0 | – | – |
| Dave Cochrane | 26 | – | 54 | -0.0 | – | – |
| Julio Solano | 29 | – | 7 | -0.0 | – | – |
| Steve Trout | 31 | FA-elig | 19 | -0.0 | 0.1 | -0.1 |
| Bill McGuire | 25 | – | 14 | -0.0 | – | – |
| Luis DeLeon | 30 | – | 1 | -0.1 | – | – |
| Darnell Coles | 27 | FA-elig | 146 | -0.1 | 0.6 | -0.6 |
| Jerry Reed | 33 | FA-elig | 52 | -0.2 | 0.3 | -0.3 |
| Mike Campbell | 25 | – | 5 | -0.2 | – | – |
| Jim Wilson | 28 | – | 5 | -0.2 | – | – |
| Dennis Powell | 25 | – | 43 | -0.3 | – | – |
| Jim Presley | 27 | arb | 117 | -0.5 | 0.6 | -0.8 |
| Tom Niedenfuer | 29 | FA-elig | 25 | -0.5 | 0.8 | -1.0 |
| Rey Quinones↔ PIT | 25 | arb | 7 | -0.5 | 0.0 | -0.2 |
| Mickey Brantley Sr. | 28 | – | 34 | -0.7 | – | – |
| Mario Diaz | 27 | pre-arb | 52 | -0.7 | 0.1 | -0.3 |
40 players appeared (WAR is complete); salary & surplus are on record for 27 of them (68%). 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 SEA |
|---|---|---|
| Jamie Moyer | 1996 | 28.0 |
| Mike Cameron | 2000 | 19.8 |
| J. P. Crawford | 2018 | 17.8 |
| Freddy García | 1998 | 15.6 |
| Franklin Gutiérrez | 2008 | 13.4 |
| Mitch Haniger | 2016 | 11.1 |
| Marco Gonzales | 2017 | 10.1 |
| Luis Castillo | 2022 | 8.7 |
| Player | Year traded | WAR elsewhere |
|---|---|---|
| Adam Jones | 2008 | 29.6 |
| Jason Varitek | 1997 | 21.2 |
| Shin-Soo Choo | 2006 | 19.2 |
| Mike Hampton | 1993 | 19.2 |
| Carlos Guillén | 2004 | 18.3 |
| Derek Lowe | 1997 | 18.0 |
| Freddy Peralta | 2015 | 17.3 |
| Chris Taylor | 2016 | 16.9 |