Rosternomics
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Mariners SEA

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GM: Woody Woodward (since 1989)

1998 roster — every player, value & surplus

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-8.2
WAB — wins above budget
+5.2
TAB — roster Talent above budget
76–85 (0.472)
record
-6M
surplus $M (value/$)
41.8
roster fWAR
$51.6M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Alex Rodriguez 22 arb 161 7.9 2.2 +6.3
Ken Griffey Jr. 28 FA-elig 161 6.6 8.2 -1.1
Edgar Martinez 35 FA-elig 154 5.5 3.5 +2.4
Jamie Moyer 35 FA-elig 34 5.2 2.0 +3.6
Randy Johnson↔ HOU 34 FA-elig 23 4.2 4.1 +0.5
Jeff Fassero 35 FA-elig 32 3.0 5.0 -1.7
David Segui 31 FA-elig 143 2.9 2.4 +0.8
Joey Cora↔ CLE 33 FA-elig 131 2.0 1.4 +0.7
Mike Timlin 32 FA-elig 70 1.8 3.0 -1.1
Rob Ducey 33 FA-elig 97 1.0 0.4 +0.7
Glenallen Hill↔ CHC 33 FA-elig 74 0.9 0.2 +0.8
Bill Swift 36 FA-elig 29 0.8 0.4 +0.4
Bobby Ayala 28 FA-elig 62 0.8 1.5 -0.6
Dan Wilson 29 FA-elig 96 0.7 2.5 -1.8
Paul Abbott 30 FA-elig 4 0.6 0.2 +0.4
Carlos Guillén 22 pre-arb 10 0.4 0.2 +0.3
David Bell↔ CLE 25 arb 21 0.4 0.0 +0.4
Mac Suzuki 23 pre-arb 6 0.3 0.2 +0.2
Dave McCarty 28 arb 8 0.3 0.2 +0.1
John Marzano 35 FA-elig 50 0.2 0.3 -0.1
Jay Buhner 33 FA-elig 72 0.2 5.4 -5.2
Rico Rossy 34 FA-elig 37 0.2 0.2 +0.0
Ken Cloude 23 pre-arb 30 0.2 0.2 +0.0
Heathcliff Slocumb 32 FA-elig 57 0.2 3.0 -2.8
Giomar Guevara 25 pre-arb 11 0.1 0.2 -0.0
Tony Fossas↔ CHC 40 FA-elig 23 0.1 0.4 -0.2
Jose Paniagua 24 pre-arb 18 0.1 0.2 -0.1
David Holdridge 29 pre-arb 7 0.1 0.2 -0.1
Rick Wilkins↔ NYM 31 FA-elig 19 0.1 0.3 -0.3
Raul Chavez 25 – 1 -0.0 – –
Paul Spoljaric 27 arb 53 -0.0 0.3 -0.3
Rich Amaral 36 FA-elig 73 -0.0 0.6 -0.6
Rickey Cradle 25 – 5 -0.0 – –
Andrew Lorraine 25 – 4 -0.0 – –
Felipe Lira 26 – 7 -0.2 – –
Raul Ibanez 26 pre-arb 37 -0.2 0.2 -0.4
Joe Oliver↔ DET 32 FA-elig 29 -0.2 0.3 -0.5
Jim Bullinger 32 FA-elig 2 -0.2 0.4 -0.6
Steve Gajkowski 28 – 9 -0.3 – –
Charles Gipson 25 pre-arb 44 -0.3 0.2 -0.5
Robert Perez↔ WSN 29 arb 17 -0.3 0.1 -0.4
Ryan Radmanovich 26 – 25 -0.4 – –
Russ Davis 28 arb 141 -0.4 1.0 -1.5
Jeff Huson 33 FA-elig 31 -0.5 0.2 -0.7
Greg McCarthy 29 pre-arb 29 -0.5 0.2 -0.7
Bob Wells 31 arb 30 -0.6 0.5 -1.1
Shane Monahan 23 pre-arb 62 -0.6 0.2 -0.8

47 players appeared (WAR is complete); salary & surplus are on record for 41 of them (87%). 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.