GM: Woody Woodward (since 1989)
| Player | Age | Service | G | fWAR | Salary $M | Surplus $M |
|---|---|---|---|---|---|---|
| Ken Griffey Jr. | 24 | arb | 111 | 6.8 | 5.1 | +2.8 |
| Randy Johnson | 30 | FA-elig | 23 | 5.2 | 3.3 | +2.7 |
| Edgar Martinez | 31 | FA-elig | 89 | 3.0 | 3.3 | +0.2 |
| Jay Buhner | 29 | FA-elig | 101 | 2.5 | 4.3 | -1.5 |
| Bobby Ayala | 24 | pre-arb | 46 | 2.2 | 0.2 | +2.3 |
| Chris Bosio | 31 | FA-elig | 19 | 1.7 | 4.0 | -2.0 |
| Tino Martinez | 26 | arb | 97 | 1.3 | 0.5 | +1.0 |
| Reggie Jefferson | 25 | arb | 63 | 1.2 | 0.2 | +1.2 |
| Luis Sojo | 29 | arb | 63 | 0.9 | 0.2 | +0.8 |
| Bill Risley | 27 | pre-arb | 37 | 0.9 | 0.1 | +1.0 |
| Mike Blowers | 29 | arb | 85 | 0.8 | 0.3 | +0.7 |
| Greg Hibbard | 29 | arb | 15 | 0.6 | 1.2 | -0.5 |
| Dave Fleming | 24 | arb | 23 | 0.5 | 0.5 | +0.0 |
| Jeff Nelson | 27 | pre-arb | 28 | 0.4 | 0.2 | +0.2 |
| Greg Pirkl | 23 | pre-arb | 19 | 0.3 | 0.1 | +0.3 |
| Roger Salkeld | 23 | – | 13 | 0.3 | – | – |
| Tim Davis | 23 | pre-arb | 42 | 0.3 | 0.1 | +0.2 |
| John Cummings | 25 | pre-arb | 17 | 0.3 | 0.1 | +0.2 |
| Jim Converse | 22 | pre-arb | 13 | 0.2 | 0.1 | +0.2 |
| Bob Wells↔ PHI | 27 | pre-arb | 1 | 0.2 | 0.0 | +0.2 |
| Rich Gossage | 42 | – | 36 | 0.1 | – | – |
| Keith Mitchell | 24 | arb | 46 | 0.1 | 0.1 | +0.0 |
| Torey Lovullo | 28 | FA-elig | 36 | 0.1 | 0.2 | -0.0 |
| Jerry Willard | 34 | – | 6 | 0.1 | – | – |
| Chris Howard | 28 | – | 9 | -0.0 | – | – |
| Dale Sveum | 30 | – | 10 | -0.1 | – | – |
| Erik Plantenberg | 25 | – | 6 | -0.1 | – | – |
| Milt Hill↔ ATL | 28 | arb | 13 | -0.1 | 0.1 | -0.2 |
| Shawn Boskie↔ CHC | 27 | arb | 2 | -0.1 | 0.0 | -0.1 |
| Jeff Darwin | 24 | pre-arb | 2 | -0.1 | 0.1 | -0.2 |
| Mackey Sasser | 31 | FA-elig | 3 | -0.1 | 0.6 | -0.7 |
| Quinn Mack | 28 | – | 5 | -0.1 | – | – |
| Felix Fermin | 30 | FA-elig | 101 | -0.2 | 1.0 | -1.2 |
| Kevin King | 25 | pre-arb | 19 | -0.2 | 0.1 | -0.3 |
| Darren Bragg | 24 | – | 8 | -0.2 | – | – |
| George Glinatsis | 25 | – | 2 | -0.2 | – | – |
| Alex Rodriguez | 18 | pre-arb | 17 | -0.3 | 0.4 | -0.8 |
| Bobby Thigpen | 30 | FA-elig | 7 | -0.3 | 0.2 | -0.5 |
| Bill Haselman | 28 | arb | 38 | -0.4 | 0.2 | -0.6 |
| Rich Amaral | 32 | arb | 77 | -0.4 | 0.2 | -0.7 |
| Marc Newfield | 21 | pre-arb | 12 | -0.4 | 0.1 | -0.6 |
| Brian Turang | 27 | pre-arb | 38 | -0.5 | 0.1 | -0.7 |
| Dan Wilson | 25 | pre-arb | 91 | -0.5 | 0.1 | -0.8 |
| Eric Anthony | 26 | arb | 79 | -0.7 | 1.1 | -1.9 |
44 players appeared (WAR is complete); salary & surplus are on record for 35 of them (80%). 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 |