Rosternomics
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Mariners SEA

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

2023 roster — every player, value & surplus

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+7.8
WAB — wins above budget
+13.3
TAB — roster Talent above budget
88–74 (0.543)
record
+48M
surplus $M (value/$)
45.8
roster fWAR
$133.5M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Julio Rodríguez 22 pre-arb 155 5.8 6.2 +16.9
J.P. Crawford 28 FA-elig 145 4.8 11.0 +8.2
Cal Raleigh 26 pre-arb 145 4.3 0.8 +16.4
George Kirby 25 pre-arb 31 4.2 0.8 +16.0
Eugenio Suárez 31 FA-elig 162 3.5 11.3 +2.5
Luis Castillo 30 FA-elig 33 3.3 11.4 +1.6
Logan Gilbert 26 pre-arb 32 3.0 0.8 +11.2
Matt Brash 25 pre-arb 78 2.0 0.7 +7.3
Teoscar Hernández 30 FA-elig 160 1.9 14.0 -6.5
José Caballero 26 – 104 1.9 0.7 +6.8
Bryce Miller 24 – 25 1.8 0.6 +6.7
Jarred Kelenic 23 pre-arb 105 1.5 0.7 +5.3
Ty France 28 arb 158 1.3 4.1 +0.9
Andrés Muñoz 24 arb 52 1.2 1.7 +3.1
Josh Rojas↔ ARI 29 arb 46 1.1 1.1 +3.1
Justin Topa 32 pre-arb 75 1.0 0.7 +3.5
Paul Sewald↔ ARI 33 FA-elig 45 1.0 2.8 +1.0
Bryan Woo 23 – 18 0.9 0.5 +3.1
Cade Marlowe 26 – 34 0.9 0.2 +3.2
Tom Murphy 32 FA-elig 47 0.8 1.6 +1.7
Mike Ford 30 pre-arb 84 0.6 0.5 +2.0
Trevor Gott↔ NYM 30 FA-elig 30 0.6 0.6 +1.8
Marco Gonzales 31 FA-elig 10 0.6 6.8 -4.5
Gabe Speier 28 pre-arb 69 0.6 0.7 +1.5
Dylan Moore 30 arb 67 0.5 2.1 +0.0
Isaiah Campbell 25 – 27 0.3 0.3 +0.8
Tayler Saucedo 30 pre-arb 52 0.2 0.6 +0.1
Easton McGee 25 pre-arb 1 0.2 0.6 +0.1
Emerson Hancock 24 – 3 0.1 0.2 +0.4
Sam Haggerty 29 arb 52 0.1 0.7 -0.2
Eduard Bazardo↔ BAL 27 pre-arb 9 0.0 0.1 +0.1
Penn Murfee 29 pre-arb 16 0.0 0.7 -0.6
Darren McCaughan 27 pre-arb 3 0.0 0.0 +0.1
Luis Torrens↔ CHC 27 FA-elig 5 0.0 0.3 -0.3
José Rodríguez 27 pre-arb 1 0.0 0.0 +0.0
Ryder Ryan 28 – 1 0.0 0.0 +0.0
Prelander Berroa 23 – 2 -0.0 0.0 -0.1
Luke Weaver↔ CIN 29 FA-elig 5 -0.0 0.3 -0.4
Robbie Ray 31 FA-elig 1 -0.0 21.0 -21.1
Trent Thornton↔ TOR 29 arb 23 -0.1 0.9 -1.1
Tommy Milone 36 FA-elig 2 -0.1 0.1 -0.4
J.B. Bukauskas↔ MIL 26 – 1 -0.1 0.0 -0.3
Devin Sweet↔ OAK 26 – 2 -0.1 0.0 -0.4
Ty Adcock 26 – 12 -0.1 0.1 -0.6
Matt Festa 30 arb 8 -0.1 0.7 -1.2
Tommy La Stella 34 FA-elig 12 -0.1 0.7 -1.2
Taylor Trammell 25 pre-arb 22 -0.1 0.7 -1.3
Juan Then 23 – 9 -0.2 0.1 -0.8
Brian O'Keefe 29 pre-arb 8 -0.2 0.1 -0.9
Diego Castillo 29 arb 8 -0.2 3.0 -3.8
Dominic Canzone↔ ARI 25 – 44 -0.3 0.2 -1.2
Cooper Hummel 28 pre-arb 10 -0.3 0.7 -1.8
Dominic Leone↔ ANA 31 FA-elig 9 -0.4 0.1 -1.8
AJ Pollock↔ SFG 35 FA-elig 49 -0.5 6.4 -8.3
Chris Flexen↔ COL 28 FA-elig 17 -0.7 4.7 -7.3
Kolten Wong↔ LAD 32 FA-elig 67 -0.9 7.7 -11.2

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.

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. Crawford201817.8
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.