GM: Pat Gillick (since 2000)
| Player | Age | Service | G | fWAR | Salary $M | Surplus $M |
|---|---|---|---|---|---|---|
| Bret Boone | 32 | FA-elig | 158 | 7.8 | 3.2 | +9.3 |
| Ichiro Suzuki | 27 | pre-arb | 157 | 6.0 | 5.7 | +4.0 |
| Mike Cameron | 28 | FA-elig | 150 | 5.5 | 3.4 | +5.4 |
| Freddy Garcia | 24 | pre-arb | 34 | 5.3 | 0.4 | +8.1 |
| Edgar Martinez | 38 | FA-elig | 132 | 4.7 | 5.5 | +2.1 |
| John Olerud | 32 | FA-elig | 159 | 4.6 | 6.7 | +0.7 |
| Mark McLemore | 36 | FA-elig | 125 | 3.5 | 2.0 | +3.6 |
| David Bell | 28 | FA-elig | 135 | 3.2 | 2.2 | +2.9 |
| Jamie Moyer | 38 | FA-elig | 33 | 3.0 | 6.5 | -1.7 |
| Aaron Sele | 31 | FA-elig | 34 | 2.7 | 7.0 | -2.7 |
| Carlos Guillén | 25 | arb | 140 | 2.6 | 0.3 | +3.9 |
| Stan Javier | 37 | FA-elig | 89 | 2.6 | 1.5 | +2.6 |
| Arthur Rhodes | 31 | FA-elig | 72 | 2.5 | 3.2 | +0.7 |
| Dan Wilson | 32 | FA-elig | 123 | 2.2 | 4.4 | -0.9 |
| Joel Pineiro | 22 | – | 17 | 2.0 | – | – |
| Kazuhiro Sasaki | 33 | pre-arb | 69 | 1.6 | 4.7 | -2.0 |
| Jeff Nelson | 34 | FA-elig | 69 | 1.1 | 3.3 | -1.5 |
| Norm Charlton | 38 | – | 44 | 0.9 | – | – |
| Paul Abbott | 33 | FA-elig | 28 | 0.9 | 1.7 | -0.3 |
| Al Martin | 33 | FA-elig | 100 | 0.9 | 5.0 | -3.6 |
| Tom Lampkin | 37 | FA-elig | 79 | 0.7 | 1.1 | +0.0 |
| Ed Sprague Jr. | 33 | – | 45 | 0.4 | – | – |
| Gene Kingsale↔ BAL | 24 | – | 10 | 0.2 | – | – |
| Pat Borders | 38 | – | 5 | 0.1 | – | – |
| John Halama | 29 | arb | 31 | 0.1 | 0.4 | -0.3 |
| Jay Buhner | 36 | FA-elig | 19 | 0.0 | 1.9 | -1.8 |
| Scott Podsednik | 25 | – | 5 | -0.0 | – | – |
| Charles Gipson | 28 | arb | 94 | -0.1 | 0.2 | -0.4 |
| Anthony Sanders | 27 | pre-arb | 9 | -0.1 | 0.2 | -0.3 |
| Denny Stark | 26 | – | 4 | -0.1 | – | – |
| Ryan Franklin | 28 | pre-arb | 38 | -0.1 | 0.2 | -0.4 |
| Brian Fuentes | 25 | – | 10 | -0.2 | – | – |
| Jose Paniagua | 27 | arb | 60 | -0.3 | 0.8 | -1.4 |
| Ramón Vázquez | 24 | – | 17 | -0.3 | – | – |
| Brett Tomko | 28 | arb | 11 | -0.5 | 1.1 | -1.9 |
35 players appeared (WAR is complete); salary & surplus are on record for 26 of them (74%). 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 |