DataBaseball
2026
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American League West · 2021

Oakland Athletics

Team WAR
30.0
16.3 bat / 13.7 pitch
Win %
.531
pyth .536
Run diff
+56
4.59 / 4.24 per g
wRC+
104
ERA
4.22
FIP 4.16
Home runs
185

The Oakland Athletics went 86-76 in 2021, a .531 winning percentage — 13th of 30 record in baseball. They scored 743 runs and allowed 687, a run differential of +56. The offence ranked 10th of 30 in MLB for runs scored, while their 4.22 staff ERA was 14th of 30. Their 104 team wRC+ was 4% above league average — 8th of 30 in MLB. Matt Olson led the position players at 4.4 WAR, and Frankie Montas the rotation at a 3.37 ERA.

Where the offence comes from

Roster contribution by share of the team total.

1,116 team hits
Matt Olson153Matt Olson — 153 hits (13.7%)Elvis Andrus121Elvis Andrus — 121 hits (10.8%)Mark Canha120Mark Canha — 120 hits (10.8%)Jed Lowrie112Jed Lowrie — 112 hits (10.0%)Matt Chapman111Matt Chapman — 111 hits (9.9%)Tony Kemp92Tony Kemp — 92 hits (8.2%)Sean Murphy85Sean Murphy — 85 hits (7.6%)Ramón Laureano84Ramón Laureano — 84 hits (7.5%)Seth Brown60Seth Brown — 60 hits (5.4%)Chad Pinder52Chad Pinder — 52 hits (4.7%)Mitch Moreland52Mitch Moreland — 52 hits (4.7%)Piscotty38Stephen Piscotty — 38 hits (3.4%)Garcia18Aramis Garcia — 18 hits (1.6%)Skye Bolt — 5 hits (0.4%)Vimael Machín — 4 hits (0.4%)Sean Manaea — 2 hits (0.2%)Austin Allen — 2 hits (0.2%)Luis Barrera — 2 hits (0.2%)James Kaprielian — 1 hits (0.1%)Cole Irvin — 1 hits (0.1%)Pete Kozma — 1 hits (0.1%)
Each rectangle is a player, sized by his share of the team's hits; darker means a larger share. Top 30 contributors. Select a different statistic above, or click a player for his page.

Batting

24 players, ranked by dbWAR.

Matt Olson1B156673153391114.271.371.540.3821504.4
Tony Kemp2B119397928378.279.382.418.3561312.6
Mark CanhaLF141625120176112.231.358.387.3381192.6
Matt Chapman3B15162211127723.210.314.403.3151022.2
Sean MurphyC1174488517590.216.306.405.3131002.1
Ramón LaureanoCF8837884143912.246.317.443.3301131.7
Jed Lowrie2B13951211214690.245.318.398.3141011.0
Seth BrownRF1043076020484.214.274.480.3161030.6
Elvis AndrusSS14354112133712.243.294.320.272710.5
Chad PinderRF73233526271.243.300.411.309980.4
Sean ManaeaP252000.500.500.750.5322580.1
Austin AllenC482110.250.250.625.3581330.1
James KaprielianP241000.333.333.333.292860.0
Jake DiekmanP110000.000.000.000.000-124-0.0
Chris BassittP120000.000.000.000.000-124-0.0
Luis BarreraLF482000.250.250.250.21933-0.0
Cole IrvinP271010.200.200.200.1752-0.1
Aramis GarciaC319418370.205.239.318.24451-0.1
Frankie MontasP240000.000.000.000.000-124-0.1
Pete KozmaSS3121000.091.167.091.133-28-0.1
Stephen PiscottyRF67188385161.220.282.353.28177-0.2
Mitch MorelandDH802525210300.227.286.415.30293-0.2
Vimael MachínSS14374010.125.200.125.162-8-0.3
Skye BoltCF27605142.088.103.158.114-43-0.8

Pitching

24 pitchers, ranked by dbWAR.

Frankie Montas3232187.013902073.373.371.1810.03.7
Chris Bassitt2727157.112401593.153.341.069.13.2
Sean Manaea3232179.1111001943.913.661.239.73.0
Cole Irvin3232178.1101501254.244.301.336.31.7
James Kaprielian2421119.18501234.074.331.229.31.0
Lou Trivino III71073.27822673.183.781.258.20.8
Deolis Guerra53065.2410624.113.961.118.50.5
Sergio Romo66061.2113604.674.241.258.80.3
J.B. Wendelken46043.2432394.334.091.518.00.3
Burch Smith31043.1110285.404.211.385.80.2
A.J. Puk12013.1030166.073.321.8010.80.2
Jake Diekman67060.2337833.864.461.3412.30.2
Daulton Jefferies5115.010083.603.971.004.80.1
Reymin Guduan11014.100056.284.431.673.10.0
Mitch Moreland101.000010.001.171.009.00.0
Ka'ai Tom101.000000.003.171.000.00.0
Yusmeiro Petit78078.0832373.924.721.044.3-0.0
Sam Moll8010.100083.484.911.267.0-0.0
Paul Blackburn9938.1140265.875.471.626.1-0.1
Domingo Acevedo10011.000093.276.171.187.4-0.2
Adam Kolarek1209.000048.007.172.224.0-0.2
Jordan Weems705.2010715.888.992.1211.1-0.3
Mike Fiers229.102057.718.962.044.8-0.4
Jesús Luzardo251895.1690986.615.481.629.3-0.5
Record versus run differential

Oakland Athletics are 86-76, a .531 win rate, while their +56 run differential implies .536. That is essentially in line — the record reflects the run scoring.