GM: Jerry Dipoto (since 2016)
| Player | Age | Service | G | fWAR | Salary $M | Surplus $M |
|---|---|---|---|---|---|---|
| Ty France | 26 | pre-arb | 152 | 3.2 | 0.6 | +9.8 |
| J.P. Crawford | 26 | arb | 160 | 3.1 | 2.0 | +7.9 |
| Chris Flexen | 26 | arb | 31 | 3.0 | 1.7 | +7.9 |
| Kyle Seager | 33 | FA-elig | 159 | 2.3 | 18.5 | -11.2 |
| Logan Gilbert | 24 | – | 24 | 2.2 | 0.4 | +6.7 |
| Mitch Haniger | 30 | arb | 157 | 2.1 | 3.0 | +3.9 |
| Paul Sewald | 31 | pre-arb | 62 | 1.4 | 0.4 | +4.2 |
| Drew Steckenrider | 30 | arb | 62 | 1.3 | 0.8 | +3.4 |
| Jake Fraley | 26 | pre-arb | 78 | 1.1 | 0.6 | +3.0 |
| Casey Sadler | 30 | pre-arb | 42 | 1.1 | 0.6 | +3.0 |
| Dylan Moore | 28 | pre-arb | 126 | 1.1 | 0.6 | +2.9 |
| Yusei Kikuchi | 30 | pre-arb | 29 | 1.1 | 17.0 | -13.6 |
| Kendall Graveman↔ HOU | 30 | FA-elig | 30 | 0.8 | 0.7 | +1.9 |
| Tyler Anderson↔ PIT | 31 | arb | 13 | 0.7 | 1.0 | +1.3 |
| Tom Murphy | 30 | FA-elig | 97 | 0.6 | 0.9 | +1.1 |
| Kyle Lewis | 25 | pre-arb | 36 | 0.6 | 0.6 | +1.2 |
| Justin Dunn | 25 | pre-arb | 11 | 0.5 | 0.6 | +1.1 |
| JT Chargois↔ TBR | 30 | arb | 31 | 0.5 | 0.3 | +1.3 |
| Marco Gonzales | 29 | FA-elig | 25 | 0.5 | 5.2 | -3.6 |
| Joe Smith↔ HOU | 37 | FA-elig | 23 | 0.4 | 1.8 | -0.4 |
| Anthony Misiewicz | 26 | pre-arb | 66 | 0.4 | 0.6 | +0.9 |
| Erik Swanson | 27 | pre-arb | 33 | 0.4 | 0.5 | +0.9 |
| Héctor Santiago | 33 | FA-elig | 13 | 0.3 | 0.6 | +0.5 |
| Rafael Montero↔ HOU | 30 | FA-elig | 40 | 0.3 | 2.0 | -1.2 |
| Luis Torrens | 25 | pre-arb | 108 | 0.2 | 0.5 | +0.3 |
| Matt Andriese↔ BOS | 31 | FA-elig | 8 | 0.2 | 0.4 | +0.3 |
| Abraham Toro↔ HOU | 24 | pre-arb | 60 | 0.2 | 0.2 | +0.4 |
| Sean Doolittle↔ CIN | 34 | FA-elig | 11 | 0.1 | 0.3 | +0.1 |
| Will Vest | 26 | – | 32 | 0.1 | 0.3 | +0.0 |
| James Paxton | 32 | FA-elig | 1 | 0.0 | 8.5 | -8.4 |
| Domingo Tapia↔ KCR | 29 | – | 2 | 0.0 | 0.0 | +0.0 |
| Wyatt Mills | 26 | – | 11 | 0.0 | 0.2 | -0.2 |
| Taylor Trammell | 23 | – | 51 | 0.0 | 0.3 | -0.3 |
| Yacksel Ríos↔ BOS | 28 | – | 3 | 0.0 | 0.0 | -0.0 |
| Keynan Middleton | 27 | arb | 32 | -0.0 | 0.8 | -0.8 |
| Nick Margevicius | 25 | pre-arb | 5 | -0.0 | 0.6 | -0.6 |
| Eric Campbell | 34 | pre-arb | 4 | -0.0 | 0.0 | -0.1 |
| Andrés Muñoz | 22 | pre-arb | 1 | -0.0 | 0.6 | -0.6 |
| Kevin Padlo↔ TBR | 24 | – | 1 | -0.0 | 0.0 | -0.1 |
| Jake Bauers↔ CLE | 25 | pre-arb | 72 | -0.0 | 0.2 | -0.3 |
| Braden Bishop | 27 | – | 8 | -0.0 | 0.1 | -0.2 |
| Brady Lail | 27 | pre-arb | 2 | -0.0 | 0.1 | -0.2 |
| Aaron Fletcher | 25 | pre-arb | 4 | -0.1 | 0.0 | -0.2 |
| Cal Raleigh | 24 | – | 47 | -0.1 | 0.3 | -0.5 |
| Diego Castillo↔ TBR | 27 | pre-arb | 24 | -0.1 | 0.1 | -0.4 |
| Ryan Weber↔ BOS | 30 | pre-arb | 2 | -0.1 | 0.3 | -0.6 |
| Daniel Zamora | 28 | pre-arb | 4 | -0.1 | 0.0 | -0.3 |
| Yohan Ramírez | 26 | pre-arb | 25 | -0.1 | 0.3 | -0.6 |
| Vinny Nittoli | 30 | – | 1 | -0.1 | 0.0 | -0.4 |
| Dillon Thomas | 28 | – | 4 | -0.1 | 0.0 | -0.4 |
| Robert Dugger | 25 | pre-arb | 12 | -0.1 | 0.1 | -0.6 |
| Ljay Newsome | 24 | pre-arb | 7 | -0.1 | 0.5 | -1.0 |
| Jack Mayfield↔ ANA | 30 | – | 12 | -0.2 | 0.0 | -0.5 |
| Jacob Nottingham↔ MIL | 26 | pre-arb | 10 | -0.2 | 0.4 | -1.0 |
| Justus Sheffield | 25 | pre-arb | 21 | -0.3 | 0.6 | -1.4 |
| Sam Haggerty | 27 | pre-arb | 35 | -0.3 | 0.6 | -1.5 |
| José Godoy | 26 | – | 16 | -0.3 | 0.1 | -1.0 |
| Darren McCaughan | 25 | – | 2 | -0.3 | 0.0 | -1.1 |
| Shed Long Jr. | 25 | – | 34 | -0.3 | – | – |
| Donovan Walton | 27 | – | 24 | -0.4 | – | – |
| Jarred Kelenic | 21 | – | 93 | -0.5 | 0.3 | -1.9 |
| José Marmolejos | 28 | pre-arb | 41 | -0.5 | 0.2 | -2.0 |
| Evan White | 25 | pre-arb | 30 | -0.7 | 1.3 | -3.7 |
63 players appeared (WAR is complete); salary & surplus are on record for 61 of them (97%). 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 |