Rosternomics
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Mariners SEA

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President of baseball ops: Jerry Dipoto (since 2022) · GM: Justin Hollander (since 2023)

2026 roster — every player, value & surplus

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+1.8 pace
WAB — wins above budget (162-game pace)
+8.4 pace
TAB — roster Talent above budget (162-game pace)
34–31 (0.523)
record
+219M
surplus $M (value/$)
43.6
roster fWAR
$158.6M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Bryan Woo 26 pre-arb 13 5.3 0.8 +46.7
Randy Arozarena 31 arb 65 5.3 15.7 +31.5
George Kirby 28 arb 13 3.7 6.5 +26.1
Julio Rodríguez 25 arb 65 3.3 20.2 +9.1
Emerson Hancock 27 pre-arb 12 2.6 0.8 +22.8
J.P. Crawford 31 FA-elig 55 2.6 12.0 +11.1
Cole Young 22 pre-arb 65 2.5 0.8 +21.7
Luke Raley 31 arb 59 2.5 2.0 +20.2
Bryce Miller 27 pre-arb 5 2.1 2.4 +16.4
Dominic Canzone 28 pre-arb 56 2.1 0.8 +17.6
Logan Gilbert 29 arb 13 2.0 10.9 +7.3
José A. Ferrer 26 – 31 1.7 – –
Brendan Donovan 29 arb 25 1.5 5.8 +7.5
Luis Castillo 33 FA-elig 12 1.4 24.1 -11.7
Colt Emerson 20 – 18 1.4 2.0 +10.2
Jhonny Pereda 30 pre-arb 14 1.2 0.6 +10.4
Cal Raleigh 29 arb 41 0.9 12.7 -4.3
Matt Brash 28 arb 19 0.9 1.6 +6.4
Eduard Bazardo 30 pre-arb 30 0.8 0.9 +5.9
Andrés Muñoz 27 FA-elig 24 0.7 7.0 -0.8
Mitch Garver 35 FA-elig 31 0.6 2.2 +3.0
Gabe Speier 31 arb 19 0.4 2.1 +1.4
Casey Legumina↔ TBR 29 – 8 0.3 0.3 +2.7
Cooper Criswell 29 pre-arb 24 0.3 0.8 +2.1
Alex Hoppe 27 – 13 0.3 0.7 +2.1
Will Wilson 27 pre-arb 2 0.3 0.7 +1.7
Connor Joe 33 arb 18 0.2 0.2 +1.9
Victor Robles 29 FA-elig 13 0.1 5.1 -3.9
Josh Naylor 29 FA-elig 60 0.1 11.3 -10.3
Domingo Gonzalez 26 – 4 0.1 0.0 +0.9
José Suarez↔ ATL 28 – 1 -0.0 0.0 -0.2
Nick Davila 27 – 7 -0.1 0.1 -0.9
Ryan Bliss 26 pre-arb 1 -0.1 0.0 -1.2
Cole Wilcox 26 pre-arb 11 -0.3 0.2 -2.7
Patrick Wisdom 34 arb 9 -0.4 0.9 -4.2
Josh Simpson 28 pre-arb 3 -0.4 0.0 -3.7
Leo Rivas 28 – 38 -0.5 – –
Rob Refsnyder 35 FA-elig 39 -2.0 6.2 -23.9

38 players appeared (WAR is complete); salary & surplus are on record for 36 of them (95%). Players without a salary show "–" — no single historical salary source is fully complete (especially 2020–2022).

WAR = FanGraphs (fWAR), annualized to full-season pace. 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.

History: front-office performance & develop-vs-buy (1985–2024)

Trade ledger (realized WAR, all-time)

Best acquisitions
PlayerYearWAR for SEA
Jamie Moyer199628.0
Mike Cameron200019.8
J. P. Crawford201818.1
Freddy García199815.6
Franklin Gutiérrez200813.4
Mitch Haniger201611.1
Marco Gonzales201710.1
Luis Castillo20228.7
Ones that got away
PlayerYear tradedWAR elsewhere
Adam Jones200829.6
Jason Varitek199721.2
Shin-Soo Choo200619.2
Mike Hampton199319.2
Carlos Guillén200418.3
Derek Lowe199718.0
Freddy Peralta201517.3
Chris Taylor201616.9
Rosternomics — quantifying front-office skill, attribution-clean. Follow @rosternomics on X. Decision-makers on record back to 1933; resource-controlled metrics (WAR & payroll) cover 1985–2026.
Data: FanGraphs (WAR), Baseball-Reference & the Chadwick Bureau register (rosters, IDs), the Lahman Database, Baseball America prospect rankings (via The Baseball Cube), and public payroll records. Transaction and trade data was obtained free of charge from and is copyrighted by Retrosheet. Executive birth/death data via Wikidata (CC0); bios are original. Emoji graphics by OpenMoji (CC BY-SA 4.0).
All figures are franchise-level outcomes credited to the decision-maker in the acquisition year — not solely attributable to one executive.