Rosternomics
𝕏

Athletics OAK

Switch team:

GM: Billy Beane (since 1998)

1999 roster — every player, value & surplus

‹ Prev Next ›
+14.0
WAB — wins above budget
+12.5
TAB — roster Talent above budget
87–75 (0.537)
record
+24M
surplus $M (value/$)
38.2
roster fWAR
$24.4M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Jason Giambi 28 arb 158 5.2 2.1 +4.4
Gil Heredia 33 FA-elig 33 4.1 0.5 +4.7
John Jaha 33 FA-elig 142 4.1 0.5 +4.6
Tim Hudson 23 pre-arb 24 3.9 0.2 +4.6
Miguel Tejada 25 pre-arb 159 2.8 0.2 +3.2
Randy Velarde↔ ANA 36 FA-elig 61 2.5 0.6 +2.6
Kenny Rogers↔ NYM 34 FA-elig 19 2.3 3.1 -0.2
Tony Phillips 40 FA-elig 106 1.5 0.7 +1.2
Doug Jones 42 FA-elig 70 1.4 0.4 +1.4
Mike Oquist 31 FA-elig 28 1.4 0.5 +1.3
Olmedo Saenz 28 arb 97 1.2 0.2 +1.3
Eric Chavez 21 pre-arb 115 1.2 0.2 +1.3
Buddy Groom 33 FA-elig 76 1.1 0.8 +0.5
Billy Taylor↔ NYM 37 arb 43 1.1 1.8 -0.4
Jimmy Haynes 26 arb 30 0.9 0.3 +0.9
Kevin Appier↔ KCR 31 FA-elig 12 0.9 1.7 -0.6
Omar Olivares↔ ANA 31 FA-elig 12 0.8 0.7 +0.3
Matt Stairs 31 FA-elig 146 0.8 1.9 -1.0
Tim Worrell 31 FA-elig 53 0.7 0.9 +0.0
Ramon Hernandez 23 pre-arb 40 0.7 0.2 +0.6
Ben Grieve 23 pre-arb 148 0.5 0.3 +0.3
Ron Mahay 28 – 6 0.4 – –
Rich Becker↔ MIL 27 FA-elig 40 0.4 0.1 +0.3
Mike Macfarlane 35 FA-elig 81 0.3 0.6 -0.2
Jason Isringhausen↔ NYM 26 arb 20 0.3 0.3 +0.0
T.J. Mathews 29 arb 50 0.2 0.8 -0.5
Brad Rigby↔ KCR 26 pre-arb 29 0.1 0.1 +0.1
Tim Raines Sr. 39 FA-elig 58 0.1 0.6 -0.5
Scott Spiezio 26 arb 89 0.1 0.3 -0.1
Tom Candiotti↔ CLE 41 FA-elig 11 0.1 1.8 -1.7
Brett Laxton 25 – 3 0.1 – –
Frank Menechino 28 pre-arb 9 0.0 0.2 -0.2
Chad Harville 22 – 15 0.0 – –
Luis Vizcaino 24 – 1 -0.1 – –
Jorge Velandia 24 pre-arb 63 -0.1 0.2 -0.3
Blake Stein↔ KCR 25 pre-arb 1 -0.1 0.0 -0.2
Jason McDonald 27 pre-arb 100 -0.2 0.2 -0.4
Tim Kubinski 27 – 14 -0.2 – –
Kevin Jarvis 29 – 4 -0.4 – –
Greg McMichael↔ NYM 32 FA-elig 17 -0.5 0.9 -1.6
A.J. Hinch 25 pre-arb 76 -0.6 0.2 -1.0
Ryan Christenson 25 pre-arb 106 -0.6 0.2 -1.0

42 players appeared (WAR is complete); salary & surplus are on record for 36 of them (86%). 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.