GM: Jerry Dipoto (since 2016)
| Player | Age | Service | G | fWAR | Salary $M | Surplus $M |
|---|---|---|---|---|---|---|
| Marco Gonzales | 27 | arb | 34 | 3.7 | 0.9 | +11.1 |
| Tom Murphy | 28 | pre-arb | 76 | 3.1 | 0.6 | +9.7 |
| Kyle Seager | 31 | FA-elig | 106 | 2.4 | 19.5 | -11.5 |
| Edwin Encarnación↔ NYY | 36 | – | 65 | 1.5 | 5.2 | -0.1 |
| Mallex Smith | 26 | arb | 134 | 1.4 | 0.6 | +4.0 |
| Mike Leake↔ ARI | 31 | FA-elig | 22 | 1.3 | 11.0 | -6.8 |
| Mitch Haniger | 28 | arb | 63 | 1.2 | 0.6 | +3.3 |
| Omar Narváez | 27 | arb | 132 | 1.2 | 0.6 | +3.3 |
| Austin Nola | 29 | – | 79 | 1.1 | 0.3 | +3.2 |
| J.P. Crawford | 24 | pre-arb | 93 | 1.1 | 0.4 | +3.0 |
| Daniel Vogelbach | 26 | arb | 144 | 1.0 | 0.6 | +2.8 |
| Dylan Moore | 26 | pre-arb | 113 | 0.9 | 0.6 | +2.3 |
| Austin Adams↔ WSN | 28 | pre-arb | 29 | 0.7 | 0.4 | +2.0 |
| Dee Strange-Gordon | 31 | FA-elig | 117 | 0.7 | 13.3 | -10.9 |
| Kyle Lewis | 23 | – | 18 | 0.6 | 0.1 | +2.1 |
| Anthony Bass | 31 | arb | 44 | 0.6 | 0.4 | +1.4 |
| Shed Long Jr. | 23 | – | 42 | 0.5 | – | – |
| Jay Bruce↔ PHI | 32 | FA-elig | 47 | 0.5 | 6.7 | -5.1 |
| Tim Lopes | 25 | – | 41 | 0.5 | – | – |
| Matt Magill↔ MIN | 29 | FA-elig | 22 | 0.5 | 0.2 | +1.3 |
| Sam Tuivailala | 26 | arb | 23 | 0.5 | 0.6 | +1.0 |
| Zac Grotz | 26 | – | 14 | 0.4 | 0.2 | +1.1 |
| Justus Sheffield | 23 | pre-arb | 8 | 0.3 | 0.1 | +0.8 |
| Matt Wisler↔ SDP | 26 | arb | 23 | 0.3 | 0.3 | +0.6 |
| Cory Gearrin↔ NYY | 33 | FA-elig | 48 | 0.3 | 1.1 | -0.2 |
| Roenis Elías↔ WSN | 30 | arb | 44 | 0.2 | 0.8 | -0.3 |
| Yusei Kikuchi | 28 | pre-arb | 32 | 0.2 | 10.0 | -9.5 |
| Mike Wright Jr.↔ BAL | 29 | arb | 9 | 0.1 | 0.3 | +0.2 |
| Domingo Santana | 26 | arb | 121 | 0.1 | 1.9 | -1.5 |
| Brandon Brennan | 27 | pre-arb | 44 | 0.1 | 0.6 | -0.2 |
| Dan Altavilla | 26 | pre-arb | 17 | 0.1 | 0.3 | +0.0 |
| Art Warren | 26 | – | 6 | 0.1 | 0.1 | +0.3 |
| Tim Beckham | 29 | FA-elig | 88 | 0.1 | 1.8 | -1.5 |
| Connor Sadzeck | 27 | pre-arb | 20 | 0.1 | 0.5 | -0.3 |
| Zac Rosscup↔ LAD | 31 | FA-elig | 19 | 0.1 | 0.4 | -0.1 |
| Justin Dunn | 23 | – | 4 | 0.1 | 0.1 | +0.1 |
| Tommy Milone | 32 | arb | 23 | 0.0 | 0.4 | -0.4 |
| Ryon Healy | 27 | arb | 47 | 0.0 | 0.6 | -0.6 |
| Ryan Court | 31 | – | 12 | -0.0 | 0.1 | -0.1 |
| Kristopher Negrón↔ LAD | 33 | – | 10 | -0.0 | – | – |
| David Freitas↔ MIL | 30 | pre-arb | 1 | -0.0 | 0.0 | -0.1 |
| Hunter Strickland↔ WSN | 30 | arb | 4 | -0.1 | 0.2 | -0.4 |
| Matt Carasiti | 27 | pre-arb | 11 | -0.1 | 0.1 | -0.3 |
| Tayler Scott↔ BAL | 27 | – | 5 | -0.1 | 0.0 | -0.3 |
| Ichiro Suzuki | 45 | FA-elig | 2 | -0.1 | 0.1 | -0.4 |
| Taylor Guilbeau | 26 | – | 17 | -0.1 | 0.1 | -0.4 |
| Donovan Walton | 25 | – | 7 | -0.1 | – | – |
| David McKay↔ DET | 24 | – | 7 | -0.1 | 0.0 | -0.4 |
| Reggie McClain | 26 | – | 14 | -0.1 | 0.2 | -0.5 |
| Ryan Garton | 29 | pre-arb | 2 | -0.1 | 0.0 | -0.4 |
| Andrew Moore | 25 | pre-arb | 1 | -0.1 | 0.0 | -0.4 |
| Shawn Armstrong↔ BAL | 28 | arb | 4 | -0.1 | 0.0 | -0.5 |
| Jesse Biddle↔ ATL | 27 | pre-arb | 11 | -0.2 | 0.2 | -0.8 |
| Félix Hernández | 33 | FA-elig | 15 | -0.2 | 27.9 | -28.4 |
| Gerson Bautista | 24 | pre-arb | 8 | -0.2 | 0.6 | -1.2 |
| R.J. Alaniz↔ CIN | 28 | – | 4 | -0.2 | 0.0 | -0.7 |
| Parker Markel↔ PIT | 28 | – | 5 | -0.2 | 0.0 | -0.8 |
| Mac Williamson↔ SFG | 28 | arb | 25 | -0.2 | 0.4 | -1.2 |
| Keon Broxton↔ BAL | 29 | arb | 29 | -0.2 | 0.2 | -1.0 |
| Matt Festa | 26 | pre-arb | 20 | -0.3 | 0.6 | -1.4 |
| Nick Rumbelow | 27 | arb | 3 | -0.3 | 0.6 | -1.4 |
| Wade LeBlanc | 34 | FA-elig | 26 | -0.3 | 0.5 | -1.4 |
| Erik Swanson | 25 | – | 27 | -0.3 | 0.3 | -1.4 |
| Chasen Bradford | 29 | pre-arb | 12 | -0.4 | 0.6 | -1.8 |
| Jake Fraley | 24 | – | 12 | -0.4 | 0.1 | -1.4 |
| Anthony Swarzak↔ ATL | 33 | FA-elig | 15 | -0.6 | 2.2 | -4.2 |
| Braden Bishop | 25 | – | 27 | -0.7 | 0.4 | -2.7 |
67 players appeared (WAR is complete); salary & surplus are on record for 63 of them (94%). 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 |