Rosternomics
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Mariners SEA

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GM: Jack Zduriencik (since 2009)

2013 roster — every player, value & surplus

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-7.4
WAB — wins above budget
-5.0
TAB — roster Talent above budget
71–91 (0.438)
record
-9M
surplus $M (value/$)
25.9
roster fWAR
$78.7M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Félix Hernández 27 FA-elig 31 6.1 19.9 -3.6
Kyle Seager 25 pre-arb 160 4.2 0.5 +10.8
Hisashi Iwakuma 32 pre-arb 33 4.1 6.5 +4.4
Brad Miller 23 – 76 2.2 0.3 +5.6
Danny Farquhar 26 pre-arb 46 1.9 0.4 +4.7
Michael Saunders 26 arb 132 1.7 0.5 +4.0
Nick Franklin 22 – 102 1.4 0.3 +3.5
Kendrys Morales 30 FA-elig 156 1.2 5.2 -2.0
Dustin Ackley 25 pre-arb 113 1.2 1.5 +1.6
Charlie Furbush 27 pre-arb 71 1.1 0.5 +2.5
Mike Zunino 22 – 52 1.0 0.3 +2.4
Oliver Pérez 31 FA-elig 61 0.8 1.5 +0.5
Raul Ibanez 41 FA-elig 124 0.8 2.8 -0.7
Franklin Gutierrez 30 FA-elig 41 0.7 7.0 -5.1
Justin Smoak 26 arb 131 0.7 0.5 +1.4
Taijuan Walker 20 – 3 0.5 0.2 +1.2
Aaron Harang↔ NYM 35 FA-elig 22 0.5 5.9 -4.6
James Paxton 24 – 4 0.4 0.0 +1.2
Stephen Pryor 23 pre-arb 7 0.4 0.5 +0.7
Joe Saunders 32 FA-elig 33 0.4 6.5 -5.4
Yoervis Medina 24 – 63 0.3 0.0 +0.9
Humberto Quintero↔ PHI 33 FA-elig 22 0.3 0.4 +0.4
Tom Wilhelmsen 29 pre-arb 59 0.3 0.5 +0.2
Jason Bay 34 FA-elig 68 0.2 1.0 -0.4
Bobby LaFromboise 27 pre-arb 10 0.2 0.1 +0.4
Lucas Luetge 26 pre-arb 35 0.2 0.5 -0.0
Carlos Peguero 26 pre-arb 2 0.1 0.0 +0.2
Hector Noesí 26 pre-arb 12 0.1 0.2 -0.1
Erasmo Ramírez 23 pre-arb 14 0.0 0.2 -0.1
Brendan Ryan↔ NYY 31 FA-elig 87 0.0 2.7 -2.7
Jesús Sucre 25 – 8 0.0 0.2 -0.2
Abraham Almonte 24 – 25 0.0 0.1 -0.1
Brandon Bantz 26 – 1 -0.1 0.0 -0.2
Brandon Maurer 22 pre-arb 22 -0.1 0.5 -0.7
Jeremy Bonderman↔ DET 30 – 7 -0.1 – –
Blake Beavan 24 pre-arb 12 -0.2 0.5 -0.9
Robert Andino 29 – 29 -0.2 1.1 -1.6
Alex Liddi 24 – 8 -0.3 0.1 -0.8
Carter Capps 22 pre-arb 53 -0.3 0.5 -1.3
Chance Ruffin 24 pre-arb 9 -0.3 0.1 -0.9
Carlos Triunfel 23 pre-arb 17 -0.6 0.2 -1.8
Kelly Shoppach↔ CLE 33 FA-elig 35 -0.6 1.5 -3.2
Michael Morse↔ BAL 31 FA-elig 76 -0.7 5.8 -7.7
Kameron Loe↔ ATL 31 FA-elig 4 -0.8 0.2 -2.4
Henry Blanco↔ TOR 41 FA-elig 35 -0.9 0.5 -3.0
Endy Chavez 35 FA-elig 97 -1.0 0.5 -3.1
Jesus Montero 23 pre-arb 29 -1.1 0.5 -3.3

47 players appeared (WAR is complete); salary & surplus are on record for 46 of them (98%). 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.

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.