GM: Jerry Dipoto (since 2016)
| Player | Age | Service | G | fWAR | Salary $M | Surplus $M |
|---|---|---|---|---|---|---|
| Kyle Lewis | 24 | pre-arb | 58 | 2.1 | 0.2 | +15.0 |
| Marco Gonzales | 28 | FA-elig | 11 | 2.0 | 1.0 | +13.3 |
| Kyle Seager | 32 | FA-elig | 60 | 1.8 | 19.5 | -6.6 |
| Justus Sheffield | 24 | pre-arb | 10 | 1.6 | 0.2 | +11.2 |
| J.P. Crawford | 25 | pre-arb | 53 | 1.4 | 0.2 | +10.3 |
| Austin Nola↔ SDP | 30 | – | 29 | 1.3 | 0.1 | +9.6 |
| Dylan Moore | 27 | pre-arb | 38 | 1.2 | 0.2 | +8.9 |
| Yusei Kikuchi | 29 | pre-arb | 9 | 1.1 | 16.0 | -7.9 |
| Nick Margevicius | 24 | pre-arb | 10 | 0.6 | 0.2 | +4.1 |
| Ty France↔ SDP | 25 | pre-arb | 23 | 0.6 | 0.1 | +4.2 |
| Anthony Misiewicz | 25 | – | 21 | 0.4 | 0.2 | +3.1 |
| Kendall Graveman | 29 | FA-elig | 11 | 0.3 | 1.5 | +0.4 |
| Phillip Ervin↔ CIN | 27 | pre-arb | 18 | 0.2 | 0.1 | +1.6 |
| Carl Edwards Jr. | 28 | arb | 5 | 0.2 | 0.9 | +0.5 |
| Casey Sadler↔ CHC | 29 | pre-arb | 7 | 0.2 | 0.1 | +1.3 |
| Taylor Williams↔ SDP | 28 | – | 14 | 0.2 | 0.1 | +1.0 |
| Taijuan Walker↔ TOR | 27 | FA-elig | 5 | 0.1 | 0.9 | +0.1 |
| Sam Haggerty | 26 | pre-arb | 13 | 0.1 | 0.1 | +0.6 |
| Joey Gerber | 23 | – | 17 | 0.0 | 0.2 | +0.1 |
| Walker Lockett↔ NYM | 26 | pre-arb | 5 | 0.0 | 0.1 | +0.2 |
| Taylor Guilbeau | 27 | pre-arb | 8 | -0.0 | 0.2 | -0.2 |
| Ljay Newsome | 23 | – | 5 | -0.0 | 0.1 | -0.2 |
| Seth Frankoff | 31 | pre-arb | 2 | -0.0 | 0.1 | -0.3 |
| Jimmy Yacabonis | 28 | pre-arb | 2 | -0.1 | 0.1 | -0.5 |
| Evan White | 24 | – | 54 | -0.1 | 0.5 | -0.9 |
| Luis Torrens↔ SDP | 24 | pre-arb | 18 | -0.1 | 0.1 | -0.6 |
| Donovan Walton | 26 | – | 5 | -0.1 | – | – |
| Braden Bishop | 26 | pre-arb | 12 | -0.1 | 0.1 | -1.0 |
| Aaron Fletcher | 24 | – | 6 | -0.1 | 0.1 | -1.0 |
| Brandon Brennan | 28 | pre-arb | 5 | -0.1 | 0.2 | -1.1 |
| Dan Altavilla↔ SDP | 27 | – | 13 | -0.1 | 0.1 | -1.1 |
| Joe Hudson | 29 | pre-arb | 9 | -0.2 | 0.1 | -1.2 |
| Jake Fraley | 25 | pre-arb | 7 | -0.2 | 0.1 | -1.3 |
| Yoshihisa Hirano | 36 | pre-arb | 13 | -0.2 | 1.6 | -2.9 |
| Bryan Shaw | 32 | FA-elig | 6 | -0.2 | 0.0 | -1.3 |
| Matt Magill | 30 | pre-arb | 11 | -0.2 | 0.2 | -1.7 |
| Yohan Ramírez | 25 | – | 16 | -0.2 | 0.2 | -1.8 |
| Erik Swanson | 26 | pre-arb | 9 | -0.3 | 0.2 | -2.2 |
| Brady Lail↔ CHW | 26 | pre-arb | 7 | -0.3 | 0.1 | -2.2 |
| José Marmolejos | 27 | pre-arb | 35 | -0.3 | 0.1 | -2.3 |
| Justin Dunn | 24 | pre-arb | 10 | -0.3 | 0.2 | -2.6 |
| Shed Long Jr. | 24 | – | 34 | -0.3 | – | – |
| Tim Lopes | 26 | – | 46 | -0.4 | – | – |
| Daniel Vogelbach↔ MIL | 27 | – | 18 | -0.4 | – | – |
| Joseph Odom | 28 | – | 18 | -0.4 | – | – |
| Dee Strange-Gordon | 32 | FA-elig | 33 | -0.5 | 13.8 | -17.2 |
| Nestor Cortes | 25 | pre-arb | 5 | -0.6 | 0.2 | -4.5 |
| Zac Grotz | 27 | pre-arb | 5 | -0.7 | 0.0 | -5.2 |
| Mallex Smith | 27 | arb | 14 | -0.7 | 2.4 | -7.7 |
49 players appeared (WAR is complete); salary & surplus are on record for 44 of them (90%). 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 |