| Boston Red Sox - 2021 | |||||||||
Record: 92-70 Park: Fenway Park II Attendance: 1,725,323 Park Factor: 109 AL Wild Card Team |
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| Batting | Pitching | Fielding | Lineups | Value | |||||||
| Player | G | PA | OUTS | RS | RS27 | RSpm | |
Rafael Devers |
156 | 664 | 448 | 107.0 | 6.45 | 22.0 | |
| Hunter Renfroe | 144 | 572 | 400 | 92.5 | 6.24 | 16.9 | |
| J. D. Martinez |
148 | 633 | 430 | 95.5 | 6.00 | 14.5 | |
| Xander Bogaerts |
144 | 603 | 394 | 84.5 | 5.79 | 10.5 | |
| Kyle Schwarber | 41 | 168 | 95 | 26.0 | 7.39 | 7.7 | |
| Bobby Dalbec | 133 | 453 | 321 | 64.0 | 5.38 | 4.1 | |
| Travis Shaw | 28 | 48 | 33 | 8.5 | 6.95 | 2.2 | |
| Taylor Motter | 3 | 7 | 4 | 2.0 | 13.50 | 1.2 | |
| Christian Arroyo | 57 | 180 | 123 | 23.5 | 5.16 | 0.6 | |
| Jose Iglesias | 23 | 64 | 38 | 7.5 | 5.33 | 0.4 | |
| Alex Verdugo | 146 | 604 | 405 | 75.5 | 5.03 | 0.4 | |
| Connor Wong | 6 | 14 | 9 | 2.0 | 6.00 | 0.3 | |
| Nathan Eovaldi |
32 | 3 | 2 | 0.5 | 6.75 | 0.1 | |
| Chris Sale | 9 | 1 | 1 | 0.0 | 0.00 | -0.2 | |
| Tanner Houck | 18 | 1 | 1 | 0.0 | 0.00 | -0.2 | |
| Garrett Whitlock | 46 | 2 | 1 | 0.0 | 0.00 | -0.2 | |
| Garrett Richards | 40 | 5 | 4 | 0.5 | 3.38 | -0.2 | |
| Nick Pivetta | 31 | 2 | 2 | 0.0 | 0.00 | -0.3 | |
| Martin Perez | 36 | 3 | 3 | 0.0 | 0.00 | -0.5 | |
| Enrique Hernandez | 134 | 585 | 392 | 72.0 | 4.96 | -0.6 | |
| Eduardo Rodriguez | 32 | 6 | 7 | 0.0 | 0.00 | -1.2 | |
| Jack Lopez | 7 | 16 | 13 | 1.0 | 2.08 | -1.3 | |
| Yairo Munoz | 5 | 11 | 10 | 0.0 | 0.00 | -1.7 | |
| Jonathan Arauz | 28 | 75 | 57 | 8.5 | 4.03 | -1.9 | |
| Jarren Duran | 33 | 112 | 87 | 13.5 | 4.19 | -2.4 | |
| Danny Santana | 38 | 127 | 97 | 14.5 | 4.04 | -3.2 | |
| Michael Chavis | 31 | 82 | 68 | 9.0 | 3.57 | -3.3 | |
| Kevin Plawecki | 64 | 173 | 117 | 15.0 | 3.46 | -6.1 | |
| Franchy Cordero | 48 | 136 | 106 | 10.5 | 2.67 | -8.4 | |
| Marwin Gonzalez | 77 | 271 | 202 | 22.5 | 3.01 | -13.7 | |
| Christian Vazquez | 138 | 498 | 364 | 50.0 | 3.71 | -16.0 | |