Rosternomics
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Athletics OAK

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GM: Billy Beane (since 1998)

2013 roster — every player, value & surplus

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+20.5
WAB — wins above budget
+14.3
TAB — roster Talent above budget
96–66 (0.593)
record · made playoffs
+52M
surplus $M (value/$)
42.4
roster fWAR
$63.1M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Josh Donaldson 27 arb 158 7.2 0.5 +18.9
Bartolo Colon 40 FA-elig 30 3.9 3.0 +7.5
Coco Crisp 33 FA-elig 131 3.7 7.0 +2.9
Jed Lowrie 29 arb 154 3.4 2.4 +6.7
Derek Norris 24 pre-arb 98 2.9 0.5 +7.2
Brandon Moss 29 FA-elig 145 2.4 1.6 +4.9
Josh Reddick 26 arb 114 2.3 0.5 +5.5
Dan Straily 24 pre-arb 27 1.9 0.5 +4.7
Yoenis Cespedes 27 pre-arb 135 1.9 8.5 -3.4
Sean Doolittle 26 pre-arb 70 1.6 0.5 +3.9
Ryan Cook 26 pre-arb 71 1.6 0.5 +3.7
Sonny Gray 23 – 12 1.5 0.2 +4.0
A.J. Griffin 25 pre-arb 32 1.5 0.5 +3.5
Eric Sogard 27 arb 130 1.5 0.5 +3.4
Jarrod Parker 24 pre-arb 32 1.3 0.5 +3.0
Tommy Milone 26 pre-arb 28 1.2 0.5 +2.8
Dan Otero 28 pre-arb 33 0.8 0.3 +1.9
Jesse Chavez 29 pre-arb 35 0.7 0.4 +1.5
Seth Smith 30 FA-elig 117 0.7 3.7 -1.8
Daric Barton 27 FA-elig 37 0.6 1.1 +0.5
John Jaso 29 arb 70 0.6 1.8 -0.2
Grant Balfour 35 FA-elig 65 0.6 4.5 -3.0
Stephen Vogt 28 pre-arb 47 0.5 0.2 +1.1
Chris Young 29 FA-elig 107 0.4 8.5 -7.4
Jerry Blevins 29 FA-elig 67 0.3 1.1 -0.2
Brett Anderson 25 arb 16 0.3 5.8 -4.9
Alberto Callaspo↔ ANA 30 FA-elig 50 0.2 1.5 -0.9
Kurt Suzuki↔ WSN 29 FA-elig 15 0.1 1.0 -0.8
Evan Scribner 27 pre-arb 18 0.0 0.5 -0.4
Michael Choice 23 – 9 0.0 0.1 -0.0
Casper Wells↔ CHW 28 arb 3 -0.0 0.0 -0.1
Adam Rosales↔ TEX 30 arb 51 -0.1 0.5 -0.7
Scott Sizemore 28 arb 2 -0.1 0.5 -0.7
Shane Peterson 25 pre-arb 2 -0.1 0.0 -0.3
Nate Freiman 26 pre-arb 80 -0.1 0.5 -0.9
Hideki Okajima 37 – 5 -0.2 – –
Luke Montz 29 – 13 -0.2 0.1 -0.5
Pedro Figueroa 27 pre-arb 5 -0.2 0.5 -0.9
Pat Neshek 32 FA-elig 45 -0.2 1.0 -1.5
Jemile Weeks 26 pre-arb 8 -0.2 0.1 -0.6
Chris Resop 30 FA-elig 18 -0.3 1.4 -2.2
Andy Parrino 27 pre-arb 14 -0.5 0.5 -1.8
Michael Taylor 27 – 9 -0.5 – –
Grant Green↔ ANA 25 – 5 -0.7 0.0 -2.0

44 players appeared (WAR is complete); salary & surplus are on record for 42 of them (95%). 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 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.