Rosternomics
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Mariners SEA

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GM: Woody Woodward (since 1989)

1993 roster — every player, value & surplus

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-0.6
WAB — wins above budget
+4.9
TAB — roster Talent above budget
82–80 (0.506)
record
-0M
surplus $M (value/$)
39.8
roster fWAR
$33.4M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Ken Griffey Jr. 23 arb 156 8.4 4.2 +2.8
Randy Johnson 29 arb 35 7.0 2.6 +3.1
Erik Hanson 28 arb 33 4.9 1.2 +2.8
Dave Valle 32 FA-elig 135 3.3 2.4 +0.4
Mike Blowers 28 arb 127 3.0 0.2 +2.3
Chris Bosio 30 FA-elig 29 2.8 2.8 -0.4
Rich Amaral 31 pre-arb 110 2.5 0.1 +2.0
Tino Martinez 25 arb 109 2.4 0.3 +1.7
Jay Buhner 28 FA-elig 158 2.3 2.8 -0.9
Omar Vizquel 26 arb 158 1.7 1.1 +0.3
Dave Fleming 23 pre-arb 26 1.6 0.3 +1.0
Greg Litton 28 arb 72 1.2 0.2 +0.8
Tim Leary 34 FA-elig 33 0.8 1.8 -1.1
Norm Charlton 30 arb 34 0.8 2.3 -1.7
Ted Power↔ CLE 38 FA-elig 25 0.5 0.2 +0.2
Roger Salkeld 22 – 3 0.5 – –
Bret Boone 24 – 76 0.5 – –
Rich DeLucia 28 arb 30 0.4 0.3 +0.1
Jeff Nelson 26 pre-arb 71 0.4 0.2 +0.1
Steve Ontiveros 32 FA-elig 14 0.4 0.1 +0.2
Jim Converse 21 pre-arb 4 0.3 0.1 +0.1
Fernando Viña 24 pre-arb 24 0.3 0.1 +0.1
Brad Holman 25 pre-arb 19 0.3 0.9 -0.7
Pete O'Brien 35 FA-elig 72 0.2 2.2 -2.0
Edgar Martinez 30 FA-elig 42 0.2 3.0 -2.9
Bob Ayrault↔ PHI 27 pre-arb 14 0.2 0.1 +0.1
John Cummings 24 pre-arb 10 0.2 0.1 +0.0
Bill Haselman 27 arb 58 0.1 0.1 -0.0
Dann Howitt 29 – 32 0.0 – –
Brian Turang 26 – 40 0.0 – –
Dave Magadan↔ MIA 30 FA-elig 71 0.0 0.5 -0.4
Chris Howard 27 – 4 -0.0 – –
Lee Tinsley 24 pre-arb 11 -0.1 0.1 -0.2
Zak Shinall 24 – 1 -0.1 – –
Larry Sheets 33 – 11 -0.2 – –
Dennis Powell 29 FA-elig 33 -0.2 0.2 -0.3
Wally Backman 33 – 10 -0.3 – –
Erik Plantenberg 24 – 20 -0.3 – –
David Wainhouse 25 – 3 -0.3 – –
Dwayne Henry↔ CIN 31 FA-elig 31 -0.3 0.4 -0.7
Greg Pirkl 22 pre-arb 7 -0.3 0.1 -0.4
Kevin King 24 – 13 -0.3 – –
Mike Hampton 20 pre-arb 13 -0.4 0.1 -0.4
Marc Newfield 20 pre-arb 22 -0.4 0.1 -0.5
Russ Swan 29 arb 23 -0.5 0.4 -0.8
Henry Cotto↔ MIA 32 FA-elig 54 -0.7 0.5 -1.0
Mackey Sasser 30 FA-elig 83 -1.4 0.5 -1.7
Mike Felder 31 FA-elig 109 -1.8 0.8 -2.3

48 players appeared (WAR is complete); salary & surplus are on record for 37 of them (77%). 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.