Rosternomics
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Athletics OAK

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GM: David Forst (since 2016)

2023 roster — every player, value & surplus

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-19.9
WAB — wins above budget
-15.5
TAB — roster Talent above budget
50–112 (0.309)
record
-32M
surplus $M (value/$)
7.3
roster fWAR
$60.7M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Zack Gelof 23 – 69 2.7 0.3 +10.4
Brent Rooker 28 arb 137 2.1 0.7 +7.5
Ryan Noda 27 – 128 2.0 0.7 +7.3
Paul Blackburn 29 FA-elig 21 1.5 1.9 +4.0
Esteury Ruiz 24 pre-arb 132 1.2 0.7 +4.2
Lucas Erceg 28 – 50 0.8 0.5 +2.7
Jace Peterson↔ ARI 33 FA-elig 93 0.7 3.1 -0.2
Mason Miller 24 – 10 0.7 0.6 +2.1
Shea Langeliers 25 pre-arb 135 0.7 0.7 +1.9
Sam Moll↔ CIN 31 FA-elig 45 0.6 0.5 +1.9
JP Sears 27 pre-arb 32 0.6 0.7 +1.5
Zach Jackson 28 pre-arb 19 0.4 0.7 +1.0
Luis Medina 24 – 23 0.4 0.6 +1.2
Austin Pruitt 33 arb 38 0.4 0.6 +1.0
Joe Boyle 23 – 3 0.4 0.1 +1.5
JJ Bleday 25 pre-arb 82 0.4 0.6 +0.9
Francisco Pérez 25 pre-arb 17 0.3 0.2 +1.2
James Kaprielian 29 arb 14 0.3 0.7 +0.5
Ramón Laureano↔ CLE 28 arb 64 0.3 2.2 -1.0
Tyler Wade 28 arb 26 0.2 0.2 +0.8
Angel Felipe 25 – 14 0.2 0.3 +0.4
Sean Newcomb 30 arb 7 0.2 0.2 +0.5
Shintaro Fujinami↔ BAL 29 pre-arb 34 0.1 1.7 -1.2
Trevor May 33 FA-elig 49 0.1 7.0 -6.6
Cody Thomas 28 pre-arb 19 0.1 0.1 +0.1
Dany Jiménez 29 arb 25 0.1 0.7 -0.5
Hogan Harris 26 – 14 0.0 0.3 -0.1
Richard Lovelady 27 pre-arb 27 0.0 0.7 -0.6
Conner Capel 26 pre-arb 32 0.0 0.7 -0.7
Kirby Snead 28 pre-arb 15 -0.0 0.5 -0.6
Easton Lucas 26 pre-arb 6 -0.0 0.1 -0.1
Manny Piña 36 FA-elig 4 -0.0 4.5 -4.6
Tony Kemp 31 FA-elig 124 -0.1 3.7 -4.1
Sam Long 27 pre-arb 40 -0.1 0.4 -1.0
Domingo Acevedo 29 pre-arb 9 -0.1 0.7 -1.2
Tayler Scott↔ BOS 31 pre-arb 8 -0.1 0.0 -0.6
Adrián Martinez 26 pre-arb 22 -0.1 0.7 -1.3
Yacksel Ríos 30 pre-arb 3 -0.1 0.4 -1.0
Spenser Watkins 30 pre-arb 1 -0.1 0.0 -0.6
Lawrence Butler 22 – 42 -0.2 0.2 -0.8
Ken Waldichuk 25 pre-arb 35 -0.2 0.7 -1.4
Chad Smith 28 pre-arb 10 -0.2 0.1 -1.0
Joey Estes 21 – 2 -0.2 0.0 -1.0
Carlos Pérez 32 FA-elig 68 -0.3 0.7 -1.7
Spencer Patton 35 pre-arb 12 -0.3 0.1 -1.2
Devin Sweet↔ SEA 26 – 5 -0.3 0.1 -1.2
Jonah Bride 27 pre-arb 40 -0.3 0.3 -1.5
Jesús Aguilar 33 FA-elig 36 -0.3 3.0 -4.3
Nick Allen 24 pre-arb 106 -0.3 0.7 -2.0
Freddy Tarnok 24 pre-arb 5 -0.3 0.7 -2.1
Rico Garcia↔ WSN 29 – 7 -0.4 0.2 -1.6
Seth Brown 30 arb 112 -0.4 0.7 -2.2
Aledmys Díaz 32 FA-elig 109 -0.4 6.5 -8.1
Garrett Acton 25 – 6 -0.4 0.1 -1.7
Jeurys Familia 33 FA-elig 14 -0.4 1.5 -3.2
Kevin Smith 26 pre-arb 49 -0.5 0.4 -2.3
Adam Oller 28 pre-arb 9 -0.5 0.7 -2.6
Zach Neal 34 – 14 -0.5 0.2 -2.1
Drew Rucinski 34 FA-elig 4 -0.6 3.0 -5.2
Kyle Muller 25 pre-arb 21 -0.7 0.7 -3.4
Jordan Diaz 22 pre-arb 90 -0.7 0.5 -3.3
Tyler Soderstrom 21 – 45 -1.0 0.3 -4.2

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 OAK
Rickey Henderson198926.8
Mark Ellis200122.1
Dennis Eckersley198719.3
Carney Lansford198216.7
Josh Donaldson200813.8
Jed Lowrie201313.0
Brett Anderson200711.5
Sean Manaea201511.2
Ones that got away
PlayerYear tradedWAR elsewhere
Rickey Henderson198426.6
Carlos González200824.7
Andre Ethier200524.4
Gio Gonzalez201120.8
Josh Donaldson201420.4
Mark McGwire199719.7
Aaron Harang200319.3
Jeremy Bonderman200215.8
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.