Rosternomics
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Athletics OAK

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GM: David Forst (since 2016)

2019 roster — every player, value & surplus

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+18.6
WAB — wins above budget
+13.1
TAB — roster Talent above budget
97–65 (0.599)
record · made playoffs
+46M
surplus $M (value/$)
44.0
roster fWAR
$98.2M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Marcus Semien 28 FA-elig 162 6.5 5.9 +15.4
Matt Chapman 26 pre-arb 156 5.4 0.6 +17.3
Mark Canha 30 arb 126 3.9 2.0 +10.8
Ramón Laureano 24 pre-arb 123 3.9 0.6 +12.1
Liam Hendriks 30 FA-elig 75 3.9 2.1 +10.5
Matt Olson 25 arb 127 3.8 0.6 +11.9
Frankie Montas 26 arb 16 3.0 0.6 +9.2
Brett Anderson 31 FA-elig 31 2.2 1.5 +5.6
Chris Bassitt 30 arb 28 2.0 0.6 +6.1
Homer Bailey↔ KCR 33 FA-elig 13 1.8 0.1 +5.8
Mike Fiers 34 FA-elig 33 1.7 6.0 -0.4
Yusmeiro Petit 34 FA-elig 80 1.4 5.5 -0.9
Jurickson Profar 26 FA-elig 139 1.0 3.6 -0.3
Joakim Soria 35 FA-elig 71 1.0 6.5 -3.4
Robbie Grossman 29 FA-elig 138 0.8 2.0 +0.7
Sean Manaea 27 arb 5 0.8 3.1 -0.7
Stephen Piscotty 28 arb 93 0.7 7.3 -5.1
J.B. Wendelken 26 arb 27 0.6 0.6 +1.5
Daniel Mengden 26 pre-arb 13 0.6 0.2 +1.8
Seth Brown 26 – 26 0.6 0.1 +1.8
Sean Murphy 24 – 20 0.4 0.1 +1.2
Chad Pinder 27 arb 124 0.4 0.6 +0.6
Jesús Luzardo 21 – 6 0.3 0.1 +1.0
Lou Trivino 27 pre-arb 61 0.3 0.6 +0.3
Dustin Garneau↔ ANA 31 pre-arb 7 0.2 0.0 +0.8
A.J. Puk 24 – 10 0.2 0.1 +0.7
Tanner Anderson 26 pre-arb 6 0.2 0.1 +0.7
Jake Diekman↔ KCR 32 FA-elig 28 0.2 0.8 -0.1
Brian Schlitter 33 pre-arb 6 0.1 0.1 +0.3
Josh Phegley 31 FA-elig 106 0.1 1.1 -0.8
Beau Taylor↔ TOR 29 – 10 0.1 0.1 +0.1
Tanner Roark↔ CIN 32 FA-elig 10 0.1 3.2 -3.1
Sheldon Neuse 24 – 25 0.0 0.1 +0.0
Nick Martini↔ SDP 29 pre-arb 6 -0.0 0.1 -0.2
Ryan Buchter 32 arb 64 -0.1 1.4 -1.6
Wei-Chung Wang↔ PIT 27 – 20 -0.1 0.2 -0.5
Fernando Rodney↔ WSN 42 FA-elig 17 -0.1 1.6 -1.9
Skye Bolt 25 – 5 -0.1 0.0 -0.4
Aaron Brooks↔ BAL 29 arb 15 -0.2 0.3 -0.8
Marco Estrada 35 FA-elig 5 -0.2 4.0 -4.6
Nick Hundley 35 FA-elig 31 -0.2 1.2 -1.9
Chris Herrmann 31 FA-elig 30 -0.2 1.0 -1.6
Paul Blackburn 25 pre-arb 4 -0.2 0.1 -0.7
Ryan Dull↔ NYY 29 arb 7 -0.3 0.5 -1.4
Blake Treinen 31 arb 57 -0.3 6.4 -7.3
Corban Joseph↔ PIT 30 – 11 -0.3 0.0 -1.1
Kendrys Morales↔ NYY 36 FA-elig 34 -0.4 7.7 -9.1
Franklin Barreto 23 pre-arb 23 -0.6 0.6 -2.7
Khris Davis 31 FA-elig 133 -1.0 16.5 -19.6

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.