Rosternomics
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Athletics OAK

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GM: Billy Beane (since 1998)

2009 roster — every player, value & surplus

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-0.1
WAB — wins above budget
+4.5
TAB — roster Talent above budget
75–87 (0.463)
record
+18M
surplus $M (value/$)
32.2
roster fWAR
$53.3M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Ryan Sweeney 24 arb 134 3.8 0.4 +8.7
Brett Anderson 21 pre-arb 30 3.7 0.4 +8.3
Rajai Davis 28 arb 125 3.5 0.4 +7.8
Matt Holliday↔ STL 29 arb 93 2.8 8.0 -1.3
Dallas Braden 25 pre-arb 22 2.8 0.4 +6.3
Michael Wuertz 30 arb 74 2.3 1.1 +4.5
Andrew Bailey 25 pre-arb 68 2.3 0.4 +5.1
Adam Kennedy 33 – 129 1.5 – –
Kurt Suzuki 25 pre-arb 147 1.5 0.4 +3.1
Brad Ziegler 29 pre-arb 69 1.1 0.4 +2.2
Mark Ellis 32 FA-elig 105 1.1 5.0 -2.4
Gio Gonzalez 23 pre-arb 20 1.1 0.4 +2.1
Josh Outman 24 pre-arb 14 0.9 0.4 +1.7
Daric Barton 23 pre-arb 54 0.8 0.4 +1.4
Craig Breslow↔ MIN 28 arb 60 0.7 0.3 +1.4
Jack Cust 30 FA-elig 149 0.7 2.8 -1.2
Russ Springer↔ TBR 40 FA-elig 48 0.6 2.1 -0.7
Cliff Pennington 25 pre-arb 60 0.6 0.4 +1.0
Vin Mazzaro 22 – 17 0.6 – –
Edgar Gonzalez 26 – 26 0.6 – –
Landon Powell 27 pre-arb 46 0.5 0.4 +0.7
Trevor Cahill 21 pre-arb 32 0.4 0.4 +0.6
Brad Kilby 26 – 11 0.4 – –
Eric Patterson 26 pre-arb 39 0.3 0.4 +0.4
Jerry Blevins 25 pre-arb 20 0.3 0.4 +0.3
Brett Tomko↔ NYY 36 – 6 0.3 – –
Orlando Cabrera↔ MIN 34 FA-elig 101 0.3 2.5 -1.9
Jack Hannahan↔ SEA 29 arb 52 0.2 0.2 +0.4
Jon Meloan 24 pre-arb 6 0.2 0.4 +0.1
Kevin Cameron 29 – 11 0.2 – –
Dana Eveland 25 arb 13 0.1 0.4 -0.1
Jeff Gray 27 pre-arb 24 0.1 0.4 -0.1
Sean Gallagher↔ SDP 23 pre-arb 6 0.1 0.2 +0.1
Henry Alberto Rodriguez 22 pre-arb 3 0.0 0.4 -0.3
Matt Carson 27 – 10 0.0 – –
Eric Munson 31 – 1 -0.0 – –
Travis Buck 25 pre-arb 36 -0.0 0.4 -0.5
Jay Marshall 26 – 10 -0.0 – –
Nomar Garciaparra 35 FA-elig 65 -0.1 1.0 -1.2
Chris Denorfia 28 – 4 -0.1 – –
Chad Reineke 27 – 1 -0.1 – –
Santiago Casilla 28 arb 46 -0.2 0.4 -0.8
Clayton Mortensen↔ STL 24 – 6 -0.2 – –
Jason Giambi↔ COL 38 FA-elig 83 -0.3 3.3 -4.0
Dan Giese 32 – 7 -0.3 – –
Gregorio Petit 24 pre-arb 11 -0.4 0.4 -1.3
Tommy Everidge 26 – 24 -0.4 – –
Eric Chavez 31 FA-elig 8 -0.4 11.5 -12.5
Scott Hairston↔ SDP 29 arb 60 -0.4 0.6 -1.7
Aaron Cunningham 23 pre-arb 23 -0.6 0.4 -1.7
Bobby Crosby 29 FA-elig 97 -0.6 5.3 -6.8

51 players appeared (WAR is complete); salary & surplus are on record for 37 of them (73%). 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.