- 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
Batting
28 players, ranked by dbWAR.
| Rafael Devers | 3B | 156 | 664 | 165 | 38 | 113 | 5 | .279 | .352 | .538 | .375 | 131 | 5.5 |
| Xander Bogaerts | SS | 144 | 603 | 156 | 23 | 79 | 5 | .295 | .370 | .493 | .371 | 129 | 5.4 |
| Enrique Hernández | CF | 134 | 585 | 127 | 20 | 60 | 1 | .250 | .337 | .449 | .342 | 110 | 3.4 |
| J.D. Martinez | DH | 148 | 634 | 163 | 28 | 99 | 0 | .286 | .349 | .518 | .366 | 126 | 3.1 |
| Hunter Renfroe | RF | 142 | 572 | 135 | 31 | 96 | 1 | .259 | .315 | .501 | .346 | 112 | 2.5 |
| Alex Verdugo | LF | 144 | 604 | 157 | 13 | 63 | 6 | .289 | .351 | .426 | .336 | 106 | 2.4 |
| Christian Vázquez | C | 132 | 498 | 118 | 6 | 49 | 8 | .258 | .308 | .352 | .291 | 77 | 1.5 |
| Bobby Dalbec | 1B | 129 | 453 | 100 | 25 | 78 | 2 | .240 | .298 | .494 | .336 | 106 | 1.4 |
| Kevin Plawecki | C | 58 | 173 | 45 | 3 | 15 | 0 | .287 | .349 | .389 | .328 | 100 | 1.0 |
| Christian Arroyo | 2B | 56 | 181 | 43 | 6 | 25 | 1 | .262 | .324 | .445 | .335 | 105 | 0.9 |
| Connor Wong | C | 6 | 14 | 4 | 0 | 1 | 0 | .308 | .357 | .538 | .381 | 135 | 0.1 |
| Jonathan Araúz | SS | 26 | 75 | 12 | 3 | 8 | 0 | .185 | .274 | .369 | .285 | 72 | 0.1 |
| Austin Davis | P | 1 | 1 | 0 | 0 | 0 | 0 | — | 1.000 | — | .725 | 358 | 0.0 |
| Garrett Whitlock | P | 2 | 2 | 1 | 0 | 0 | 0 | .500 | .500 | .500 | .438 | 172 | 0.0 |
| Nathan Eovaldi | P | 1 | 3 | 0 | 0 | 0 | 0 | .000 | .333 | .000 | .242 | 45 | -0.0 |
| Garrett Richards | P | 2 | 5 | 1 | 0 | 1 | 0 | .200 | .200 | .400 | .250 | 50 | -0.0 |
| Tanner Houck | P | 1 | 1 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | -112 | -0.0 |
| Chris Sale | P | 1 | 1 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | -112 | -0.0 |
| Nick Pivetta | P | 1 | 2 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | -112 | -0.0 |
| Jack López | 2B | 7 | 16 | 2 | 0 | 0 | 0 | .154 | .214 | .308 | .231 | 37 | -0.1 |
| Martín Pérez | P | 1 | 3 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | -112 | -0.1 |
| Michael Chavis | 2B | 40 | 124 | 30 | 3 | 11 | 1 | .248 | .258 | .397 | .278 | 68 | -0.1 |
| Eduardo Rodriguez | P | 3 | 6 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | -112 | -0.1 |
| Yairo Muñoz | 2B | 4 | 11 | 1 | 0 | 0 | 0 | .091 | .091 | .091 | .080 | -61 | -0.2 |
| Jarren Duran | CF | 32 | 112 | 23 | 2 | 10 | 2 | .215 | .241 | .336 | .249 | 49 | -0.3 |
| Danny Santana | CF | 37 | 127 | 21 | 5 | 14 | 4 | .181 | .252 | .345 | .263 | 59 | -0.3 |
| Marwin Gonzalez | 2B | 90 | 307 | 55 | 5 | 28 | 3 | .199 | .275 | .304 | .262 | 58 | -0.5 |
| Franchy Cordero | LF | 47 | 136 | 24 | 1 | 9 | 1 | .189 | .237 | .260 | .224 | 33 | -0.8 |
Pitching
34 pitchers, ranked by dbWAR.
| Nathan Eovaldi | 32 | 32 | 182.1 | 11 | 9 | 0 | 195 | 3.75 | 2.79 | 1.19 | 9.6 | 4.8 |
| Eduardo Rodriguez | 32 | 31 | 157.2 | 13 | 8 | 0 | 185 | 4.74 | 3.32 | 1.39 | 10.6 | 3.2 |
| Tanner Houck | 18 | 13 | 69.0 | 1 | 5 | 1 | 87 | 3.52 | 2.58 | 1.13 | 11.3 | 1.9 |
| Garrett Whitlock | 46 | 0 | 73.1 | 8 | 4 | 2 | 81 | 1.96 | 2.84 | 1.10 | 9.9 | 1.5 |
| Nick Pivetta | 31 | 30 | 155.0 | 9 | 8 | 1 | 175 | 4.53 | 4.28 | 1.30 | 10.2 | 1.5 |
| Josh Taylor | 61 | 0 | 47.2 | 1 | 0 | 1 | 60 | 3.40 | 2.83 | 1.43 | 11.3 | 1.0 |
| Matt Barnes | 60 | 0 | 54.2 | 6 | 5 | 24 | 84 | 3.79 | 3.21 | 1.12 | 13.8 | 0.9 |
| Chris Sale | 9 | 9 | 42.2 | 5 | 1 | 0 | 52 | 3.16 | 3.69 | 1.34 | 11.0 | 0.7 |
| Adam Ottavino | 69 | 0 | 62.0 | 7 | 3 | 11 | 71 | 4.21 | 3.96 | 1.45 | 10.3 | 0.5 |
| Garrett Richards | 40 | 22 | 136.2 | 7 | 8 | 3 | 115 | 4.87 | 4.72 | 1.60 | 7.6 | 0.4 |
| Matt Andriese | 34 | 0 | 48.1 | 2 | 3 | 1 | 50 | 5.21 | 4.04 | 1.61 | 9.3 | 0.4 |
| Martín Pérez | 36 | 22 | 114.0 | 7 | 8 | 0 | 97 | 4.74 | 4.82 | 1.51 | 7.7 | 0.2 |
| John Schreiber | 1 | 0 | 3.0 | 0 | 0 | 0 | 5 | 3.00 | 0.84 | 1.67 | 15.0 | 0.1 |
| Austin Davis | 29 | 0 | 26.1 | 1 | 2 | 0 | 28 | 5.13 | 4.50 | 1.37 | 9.6 | 0.1 |
| Stephen Gonsalves | 3 | 0 | 4.1 | 0 | 0 | 0 | 4 | 4.15 | 3.40 | 0.92 | 8.3 | 0.1 |
| Eduard Bazardo | 2 | 0 | 3.0 | 0 | 0 | 0 | 3 | 0.00 | 3.17 | 1.00 | 9.0 | 0.1 |
| Phillips Valdez | 28 | 0 | 40.0 | 2 | 0 | 1 | 35 | 5.85 | 4.67 | 1.35 | 7.9 | 0.0 |
| Jonathan Araúz | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 9.00 | 3.17 | 2.00 | 0.0 | 0.0 |
| Kevin Plawecki | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0.00 | 3.17 | 0.00 | 0.0 | 0.0 |
| Marwin Gonzalez | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0.00 | 3.17 | 0.00 | 0.0 | 0.0 |
| Brandon Brennan | 1 | 0 | 3.0 | 0 | 0 | 0 | 1 | 0.00 | 4.50 | 1.67 | 3.0 | 0.0 |
| Raynel Espinal | 1 | 0 | 2.0 | 0 | 0 | 0 | 0 | 9.00 | 4.67 | 1.50 | 0.0 | 0.0 |
| Ryan Brasier | 13 | 0 | 12.0 | 1 | 1 | 0 | 9 | 1.50 | 4.84 | 1.33 | 6.8 | -0.0 |
| Kaleb Ort | 1 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0.00 | 12.17 | 6.00 | 0.0 | -0.0 |
| Darwinzon Hernández | 48 | 0 | 40.0 | 2 | 2 | 0 | 54 | 3.38 | 4.80 | 1.50 | 12.2 | -0.0 |
| Yacksel Ríos | 23 | 0 | 27.1 | 3 | 0 | 0 | 23 | 4.28 | 4.89 | 1.24 | 7.6 | -0.1 |
| Colten Brewer | 1 | 0 | 1.0 | 0 | 0 | 0 | 1 | 36.00 | 10.17 | 7.00 | 9.0 | -0.1 |
| Kutter Crawford | 1 | 1 | 2.0 | 0 | 1 | 0 | 2 | 22.50 | 10.67 | 3.50 | 9.0 | -0.1 |
| Connor Seabold | 1 | 1 | 3.0 | 0 | 0 | 0 | 0 | 6.00 | 9.50 | 1.67 | 0.0 | -0.1 |
| Austin Brice | 13 | 0 | 13.2 | 0 | 0 | 0 | 12 | 6.59 | 5.73 | 1.54 | 7.9 | -0.2 |
| Christian Arroyo | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0.00 | 19.17 | 2.00 | 0.0 | -0.2 |
| Hirokazu Sawamura | 55 | 0 | 53.0 | 5 | 1 | 0 | 61 | 3.06 | 5.00 | 1.45 | 10.4 | -0.2 |
| Brandon Workman | 29 | 0 | 28.0 | 1 | 2 | 0 | 25 | 5.46 | 5.49 | 2.04 | 8.0 | -0.2 |
| Brad Peacock | 2 | 1 | 5.1 | 0 | 1 | 0 | 3 | 15.19 | 9.17 | 1.69 | 5.1 | -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.