DataBaseball
2026
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American League East · 2021

Boston Red Sox

Team WAR
40.6
24.7 bat / 15.9 pitch
Win %
.568
pyth .546
Run diff
+80
5.12 / 4.62 per g
wRC+
103
ERA
4.26
FIP 3.93
Home runs
212

The Boston Red Sox went 92-70 in 2021, a .568 winning percentage — 8th of 30 record in baseball. They scored 829 runs and allowed 749, a run differential of +80. The offence ranked 5th of 30 in MLB for runs scored, while their 4.26 staff ERA was 15th of 30. Their 103 team wRC+ was 3% above league average — 11th of 30 in MLB. Rafael Devers led the position players at 5.5 WAR, and Nathan Eovaldi the rotation at a 3.75 ERA.

Where the offence comes from

Roster contribution by share of the team total.

1,383 team hits
Rafael Devers165Rafael Devers — 165 hits (11.9%)J.D. Martinez163J.D. Martinez — 163 hits (11.8%)Alex Verdugo157Alex Verdugo — 157 hits (11.4%)Xander Bogaerts156Xander Bogaerts — 156 hits (11.3%)Hunter Renfroe135Hunter Renfroe — 135 hits (9.8%)Enrique Hernández127Enrique Hernández — 127 hits (9.2%)Christian Vázquez118Christian Vázquez — 118 hits (8.5%)Bobby Dalbec100Bobby Dalbec — 100 hits (7.2%)Marwin Gonzalez55Marwin Gonzalez — 55 hits (4.0%)Kevin Plawecki45Kevin Plawecki — 45 hits (3.3%)Arroyo43Christian Arroyo — 43 hits (3.1%)Chavis30Michael Chavis — 30 hits (2.2%)Cordero24Franchy Cordero — 24 hits (1.7%)Jarren Duran23Jarren Duran — 23 hits (1.7%)Santana21Danny Santana — 21 hits (1.5%)12Jonathan Araúz — 12 hits (0.9%)Connor Wong — 4 hits (0.3%)Jack López — 2 hits (0.1%)Garrett Whitlock — 1 hits (0.1%)Garrett Richards — 1 hits (0.1%)Yairo Muñoz — 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

28 players, ranked by dbWAR.

Rafael Devers3B156664165381135.279.352.538.3751315.5
Xander BogaertsSS14460315623795.295.370.493.3711295.4
Enrique HernándezCF13458512720601.250.337.449.3421103.4
J.D. MartinezDH14863416328990.286.349.518.3661263.1
Hunter RenfroeRF14257213531961.259.315.501.3461122.5
Alex VerdugoLF14460415713636.289.351.426.3361062.4
Christian VázquezC1324981186498.258.308.352.291771.5
Bobby Dalbec1B12945310025782.240.298.494.3361061.4
Kevin PlaweckiC58173453150.287.349.389.3281001.0
Christian Arroyo2B56181436251.262.324.445.3351050.9
Connor WongC6144010.308.357.538.3811350.1
Jonathan AraúzSS267512380.185.274.369.285720.1
Austin DavisP1100001.000.7253580.0
Garrett WhitlockP221000.500.500.500.4381720.0
Nathan EovaldiP130000.000.333.000.24245-0.0
Garrett RichardsP251010.200.200.400.25050-0.0
Tanner HouckP110000.000.000.000.000-112-0.0
Chris SaleP110000.000.000.000.000-112-0.0
Nick PivettaP120000.000.000.000.000-112-0.0
Jack López2B7162000.154.214.308.23137-0.1
Martín PérezP130000.000.000.000.000-112-0.1
Michael Chavis2B40124303111.248.258.397.27868-0.1
Eduardo RodriguezP360000.000.000.000.000-112-0.1
Yairo Muñoz2B4111000.091.091.091.080-61-0.2
Jarren DuranCF32112232102.215.241.336.24949-0.3
Danny SantanaCF37127215144.181.252.345.26359-0.3
Marwin Gonzalez2B90307555283.199.275.304.26258-0.5
Franchy CorderoLF4713624191.189.237.260.22433-0.8

Pitching

34 pitchers, ranked by dbWAR.

Nathan Eovaldi3232182.111901953.752.791.199.64.8
Eduardo Rodriguez3231157.213801854.743.321.3910.63.2
Tanner Houck181369.0151873.522.581.1311.31.9
Garrett Whitlock46073.1842811.962.841.109.91.5
Nick Pivetta3130155.09811754.534.281.3010.21.5
Josh Taylor61047.2101603.402.831.4311.31.0
Matt Barnes60054.26524843.793.211.1213.80.9
Chris Sale9942.2510523.163.691.3411.00.7
Adam Ottavino69062.07311714.213.961.4510.30.5
Garrett Richards4022136.27831154.874.721.607.60.4
Matt Andriese34048.1231505.214.041.619.30.4
Martín Pérez3622114.0780974.744.821.517.70.2
John Schreiber103.000053.000.841.6715.00.1
Austin Davis29026.1120285.134.501.379.60.1
Stephen Gonsalves304.100044.153.400.928.30.1
Eduard Bazardo203.000030.003.171.009.00.1
Phillips Valdez28040.0201355.854.671.357.90.0
Jonathan Araúz101.000009.003.172.000.00.0
Kevin Plawecki101.000000.003.170.000.00.0
Marwin Gonzalez101.000000.003.170.000.00.0
Brandon Brennan103.000010.004.501.673.00.0
Raynel Espinal102.000009.004.671.500.00.0
Ryan Brasier13012.011091.504.841.336.8-0.0
Kaleb Ort100.100000.0012.176.000.0-0.0
Darwinzon Hernández48040.0220543.384.801.5012.2-0.0
Yacksel Ríos23027.1300234.284.891.247.6-0.1
Colten Brewer101.0000136.0010.177.009.0-0.1
Kutter Crawford112.0010222.5010.673.509.0-0.1
Connor Seabold113.000006.009.501.670.0-0.1
Austin Brice13013.2000126.595.731.547.9-0.2
Christian Arroyo101.000000.0019.172.000.0-0.2
Hirokazu Sawamura55053.0510613.065.001.4510.4-0.2
Brandon Workman29028.0120255.465.492.048.0-0.2
Brad Peacock215.1010315.199.171.695.1-0.2
Record versus run differential

Boston Red Sox are 92-70, a .568 win rate, while their +80 run differential implies .546. That is about 4 wins ahead of it, usually a mix of bullpen sequencing and one-run luck.