RRosternomics
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Athletics OAK

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President of baseball ops: Billy Beane · GM: David Forst

Overview

WINDOW ↘ cooling
cheap & winning · year 4 in this regime · payroll 0.74× league · TAB +7.7
+7.7TAB — talent above budget8th/30
+7.9WAB — realized wins (TAB + luck)10th/30
10.0depth — 2+ WAR regulars3rd/30
-4.1dead WAR — sub-replacement drag8th/30
39%dead money %20th/30
0.531win %13th/30
38.3roster fWAR11th/30
+31surplus $M (value vs cost)4th/30
$94Mpayroll $M19th/30

Roster

CFStarling Marte 119GRamón Laureano 75GMark Canha 23G
LFMark Canha 106GTony Kemp 49GJosh Harrison 19G
RFSeth Brown 75GStephen Piscotty 67GChad Pinder 39G
SSElvis Andrus 143GChad Pinder 8GVimael Machín 8G
2BJosh Harrison 102GTony Kemp 89GJed Lowrie 71G
3BMatt Chapman 150GJosh Harrison 23GChad Pinder 6G
1BMatt Olson 152GMitch Moreland 7GSeth Brown 6G
STARTERSFrankie Montas 4.0WARSean Manaea 3.4WARChris Bassitt 3.3WARCole Irvin 2.0WARJames Kaprielian 1.3WAR
CSean Murphy 112GYan Gomes 92GAramis Garcia 30G
DHMitch Moreland 60GJed Lowrie 58GKhris Davis 31G
BULLPEN★ Lou Trivino 22svYusmeiro Petit 22hAndrew Chafin 22hJake Diekman 14hSergio Romo 12hBurch Smith 4hDeolis Guerra 3hMichael Feliz 0h
CSean Murphy 112 · Yan Gomes 92 · Aramis Garcia 30
1BMatt Olson 152 · Mitch Moreland 7 · Seth Brown 6
2BJosh Harrison 102 · Tony Kemp 89 · Jed Lowrie 71
3BMatt Chapman 150 · Josh Harrison 23 · Chad Pinder 6
SSElvis Andrus 143 · Chad Pinder 8 · Vimael Machín 8
LFMark Canha 106 · Tony Kemp 49 · Josh Harrison 19
CFStarling Marte 119 · Ramón Laureano 75 · Mark Canha 23
RFSeth Brown 75 · Stephen Piscotty 67 · Chad Pinder 39
DHMitch Moreland 60 · Jed Lowrie 58 · Khris Davis 31
SPFrankie Montas 4.0 · Sean Manaea 3.4 · Chris Bassitt 3.3 · Cole Irvin 2.0 · James Kaprielian 1.3
BP★ Lou Trivino 22 · Yusmeiro Petit 22 · Andrew Chafin 22 · Jake Diekman 14 · Sergio Romo 12 · Burch Smith 4 · Deolis Guerra 3 · Michael Feliz 0

Each position lists its starter then backups by games (so platoons & bench show). Starters (mound) & bullpen (left, foul territory) are ranked by WAR; ★ marks the closer (most save chances). MLB Stats API.

2021 roster — value & surplus

PlayerAgeServiceGfWARSalary $MSurplus $M
Matt Olson 27 arb 1565.0 5.0 +11.1
Frankie Montas 28 FA-elig 324.0 1.8 +11.1
Matt Chapman 28 arb 1513.7 6.5 +5.5
Sean Manaea 29 arb 323.4 6.0 +5.2
Chris Bassitt 32 FA-elig 273.3 4.9 +5.8
Sean Murphy 26 pre-arb 1193.3 0.6 +10.0
Tony Kemp 29 arb 1313.0 1.1 +8.6
Mark Canha 32 FA-elig 1412.9 6.9 +2.5
Cole Irvin 27 pre-arb 322.0 0.6 +6.0
Starling Marte↔ MIA 32 FA-elig 562.0 5.8 +0.8
Ramón Laureano 26 pre-arb 881.8 0.6 +5.3
Elvis Andrus 32 FA-elig 1461.6 14.2 -8.9
James Kaprielian 27 pre-arb 241.3 0.4 +3.7
Seth Brown 28 pre-arb 1111.1 0.5 +3.1
Jed Lowrie 37 FA-elig 1390.9 1.5 +1.3
Lou Trivino 29 arb 710.6 0.9 +1.0
Andrew Chafin↔ CHC 31 FA-elig 280.5 0.9 +0.6
Deolis Guerra 32 FA-elig 530.4 0.6 +0.7
Josh Harrison↔ WSN 33 FA-elig 480.3 0.3 +0.5
Yan Gomes↔ WSN 33 FA-elig 400.3 2.3 -1.5
J.B. Wendelken↔ ARI 28 – 260.2 0.3 +0.5
Sergio Romo 38 FA-elig 660.2 2.2 -1.6
Chad Pinder 29 arb 750.2 2.3 -1.8
A.J. Puk 26 pre-arb 120.1 0.3 +0.2
Austin Allen 27 pre-arb 40.1 0.1 +0.3
Daulton Jefferies 25 pre-arb 50.1 0.1 +0.1
Burch Smith 31 FA-elig 310.1 0.7 -0.4
Luis Barrera 25 pre-arb 60.1 0.0 +0.2
Reymin Guduan 29 pre-arb 110.0 0.2 -0.2
Michael Feliz↔ BOS 28 FA-elig 1-0.0 0.0 -0.1
Yusmeiro Petit 36 FA-elig 78-0.0 2.5 -2.7
Pete Kozma 33 arb 3-0.0 0.0 -0.2
Cam Bedrosian↔ CIN 29 FA-elig 9-0.1 0.5 -0.7
Paul Blackburn 27 pre-arb 9-0.1 0.1 -0.3
Sam Moll 29 pre-arb 8-0.1 0.1 -0.3
Jordan Weems↔ ARI 28 – 5-0.1 0.1 -0.3
Jacob Wilson↔ HOU 30 – 6-0.1 0.0 -0.3
Jake Diekman 34 FA-elig 67-0.1 4.0 -4.3
Mitch Moreland 35 FA-elig 81-0.1 2.2 -2.6
Domingo Acevedo 27 pre-arb 10-0.1 0.1 -0.5
Frank Schwindel↔ CHC 29 – 8-0.2 0.0 -0.5
Khris Davis↔ TEX 33 FA-elig 20-0.2 8.0 -8.6
Adam Kolarek 32 pre-arb 12-0.2 0.1 -0.9
Mike Fiers 36 – 2-0.3 – –
Ka'ai Tom↔ PIT 27 – 9-0.3 0.1 -1.1
Jesús Luzardo↔ MIA 23 – 13-0.3 0.1 -1.2
Vimael Machín 27 pre-arb 15-0.4 0.1 -1.5
Aramis Garcia 28 pre-arb 32-0.4 0.4 -1.8
Stephen Piscotty 30 FA-elig 72-0.4 7.6 -9.0
Skye Bolt↔ SFG 27 pre-arb 32-0.6 0.2 -2.0

Key additions (new vs 2020)

PlayerfWAR
Cole Irvin2.0
Starling Marte2.0
Elvis Andrus1.6
Jed Lowrie0.9
Andrew Chafin0.5
Deolis Guerra0.4

Key subtractions (gone from 2020)

Player2020 fWAR
Robbie Grossman1.5
Liam Hendriks1.4
Tommy La Stella0.7
Joakim Soria0.5
Mike Minor0.5
Jake Lamb0.3

Current & Historical Payroll

2021 payroll
$94.2M
2022 guaranteed
$0M

What the front office was committed to as of 2021, 2021–2027. Guaranteed $ are contract commitments signed by 2021; arbitration & free-agent years are projected from service time. Hover a figure for its luxury-tax (CBT) & actual-cash values.

current $ guaranteed $ arbitration (proj) pre-arb (proj) free agent club option player option mutual option vesting option

Guaranteed / signed (13)

PlayerAgeSvc2021202220232024202520262027
Elvis Andrus3212.000$14.2MFREE AGENT
Khris Davis337.104$8.0MFREE AGENT
Starling Marte327.162$5.8MCLUBFREE AGENT
Jake Diekman348.050$4.0MFREE AGENT
Yusmeiro Petit3610.016$2.5MFREE AGENT
Yan Gomes338.083$2.3MFREE AGENT
Mitch Moreland3510.067$2.2MFREE AGENT
Sergio Romo3812.097$2.2MFREE AGENT
Jed Lowrie3712.111$1.5MFREE AGENT
Andrew Chafin316.020$887kFREE AGENT
Josh Harrison338.168$348kFREE AGENT
Michael Feliz286.000$48kFREE AGENT
Mike Fiers3610.000—FREE AGENT

Arbitration-eligible (12)

PlayerAgeSvc2021202220232024202520262027
Stephen Piscotty305.076$7.6MFREE AGENT
Mark Canha325.092$6.9MFREE AGENT
Matt Chapman283.109$6.5MARB 2ARB 3FREE AGENT
Sean Manaea294.157$6.0MARB 3FREE AGENT
Matt Olson273.103$5.0MARB 2ARB 3FREE AGENT
Chris Bassitt324.130$4.9MARB 3FREE AGENT
Chad Pinder294.047$2.3MARB 3FREE AGENT
Frankie Montas283.015$1.8MARB 2ARB 3FREE AGENT
Tony Kemp293.098$1.1MARB 2ARB 3FREE AGENT
Burch Smith313.095$705kARB 2ARB 3FREE AGENT
Cam Bedrosian295.153$519kFREE AGENT
Pete Kozma333.094$6kARB 2ARB 3FREE AGENT

Pre-arbitration (25)

PlayerAgeSvc2021202220232024202520262027
Lou Trivino292.163$912kARB 1ARB 2ARB 3FREE AGENT
Ramón Laureano262.059$580kARB 1ARB 2ARB 3FREE AGENT
Sean Murphy261.029$576kPre-ArbARB 1ARB 2ARB 3FREE AGENT
Cole Irvin270.120$573kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Deolis Guerra322.071$570kARB 1ARB 2ARB 3FREE AGENT
Seth Brown280.104$540kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
James Kaprielian270.031$442kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Aramis Garcia281.086$377kPre-ArbARB 1ARB 2ARB 3FREE AGENT
J.B. Wendelken282.028$328kARB 1ARB 2ARB 3FREE AGENT
A.J. Puk261.041$251kPre-ArbARB 1ARB 2ARB 3FREE AGENT
Skye Bolt270.018$225kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Reymin Guduan290.104$212kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Paul Blackburn271.143$144kPre-ArbARB 1ARB 2ARB 3FREE AGENT
Adam Kolarek322.122$144kARB 1ARB 2ARB 3FREE AGENT
Daulton Jefferies250.003$138kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Jesús Luzardo231.021$132kPre-ArbARB 1ARB 2ARB 3FREE AGENT
Sam Moll290.031$129kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Vimael Machín271.000$126kPre-ArbARB 1ARB 2ARB 3FREE AGENT
Domingo Acevedo270.001$95kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Ka'ai Tom27–$68k
Jordan Weems280.161$59kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Austin Allen270.171$55kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Luis Barrera250.021$46kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT
Jacob Wilson30–$32k
Frank Schwindel290.015$25kPre-ArbPre-ArbARB 1ARB 2ARB 3FREE AGENT

Graphs

Every roster slot ranked best→worst by WAR. Bars = Athletics 2021; the black line = the league-average player at each slot that season. Staying above the line deep into the roster is the depth edge; dropping below it = holes & dead weight.

What each regime is worth — every settled team-season since 1985

RegimeSeasonsWin %Playoff %Pennant %WS %
WINDOW 28152.131.05.01.1
CONTEND 30056.964.719.710.3
FORCED-SPEND 25648.09.81.61.6
REBUILD 32143.31.20.30.3
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.