Team pitching -- 2020 Boston Red Sox
Regular season -- as of 9/29/2020
| Primary |
 | Name | P | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP | BF |
| | Graterol,B | mr | 3.12 | 0 | 1 | 0 | 8 | 0 | 0 | 0 | 8.2 | 7 | 3 | 3 | 4 | 11 | 1 | 0 | 39 |
| f | Rodriguez,E* | sp | 3.44 | 15 | 10 | 0 | 36 | 36 | 1 | 1 | 220.0 | 214 | 102 | 84 | 78 | 258 | 27 | 16 | 946 |
| | Vargas,J* | sp | 3.80 | 5 | 6 | 0 | 12 | 12 | 1 | 1 | 73.1 | 63 | 33 | 31 | 28 | 57 | 10 | 6 | 308 |
| | Stanek | mr | 4.23 | 5 | 8 | 4 | 71 | 0 | 0 | 0 | 89.1 | 64 | 43 | 42 | 43 | 97 | 17 | 7 | 366 |
| f | Webb,J | mr | 4.65 | 1 | 1 | 3 | 30 | 0 | 0 | 0 | 40.2 | 39 | 24 | 21 | 14 | 33 | 7 | 4 | 174 |
| | Liriano* | mr | 4.66 | 5 | 5 | 1 | 69 | 0 | 0 | 0 | 92.2 | 93 | 53 | 48 | 45 | 75 | 13 | 13 | 409 |
| | Jackson,L | cl | 4.74 | 4 | 6 | 25 | 73 | 0 | 0 | 0 | 81.2 | 93 | 45 | 43 | 26 | 127 | 20 | 7 | 361 |
| | Bettis | mr | 4.97 | 4 | 2 | 3 | 28 | 4 | 0 | 0 | 54.1 | 64 | 37 | 30 | 24 | 38 | 8 | 7 | 253 |
| f | Bradford | mr | 5.00 | 2 | 2 | 1 | 30 | 0 | 0 | 0 | 45.0 | 46 | 27 | 25 | 10 | 44 | 17 | 4 | 188 |
| | Waguespack | sp | 5.18 | 5 | 6 | 1 | 29 | 14 | 0 | 0 | 107.2 | 99 | 66 | 62 | 44 | 84 | 20 | 10 | 466 |
| | Brooks | sp | 5.30 | 7 | 6 | 0 | 21 | 16 | 1 | 0 | 105.1 | 104 | 66 | 62 | 27 | 76 | 21 | 8 | 448 |
| | Sampson | mr | 5.49 | 6 | 6 | 1 | 23 | 18 | 0 | 0 | 114.2 | 127 | 72 | 70 | 31 | 101 | 25 | 12 | 502 |
| f | Smeltzer* | sp | 5.75 | 4 | 5 | 0 | 16 | 16 | 0 | 0 | 83.0 | 87 | 56 | 53 | 29 | 77 | 11 | 6 | 364 |
| | Rondon,H | mr | 6.40 | 4 | 4 | 2 | 60 | 0 | 0 | 0 | 71.2 | 81 | 52 | 51 | 31 | 60 | 10 | 5 | 332 |
| | Jurado | sp | 6.54 | 5 | 8 | 0 | 22 | 22 | 0 | 0 | 118.1 | 150 | 89 | 86 | 24 | 98 | 32 | 6 | 526 |
| | Clarke | sp | 7.22 | 4 | 8 | 0 | 25 | 18 | 0 | 0 | 106.0 | 134 | 102 | 85 | 36 | 81 | 35 | 6 | 500 |
| | Jackson,E | sp | 9.00 | 0 | 2 | 0 | 9 | 6 | 0 | 0 | 31.0 | 51 | 39 | 31 | 14 | 26 | 12 | 3 | 157 |
|   | Total |   | 5.16 | 76 | 86 | 41 | 162 | 162 | 3 | 11 | 1443.1 | 1516 | 909 | 827 | 508 | 1343 | 286 | 120 | 6339 |
| Secondary |
 | Name | P | SB | CS | IW | HBP | WP | BK | SH | SF | CI | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | NP/G | STR% |
| | Graterol,B | mr | 0 | 0 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 7.3 | 4.2 | 12.5 | 11.4 | 1.0 | 2.8 | 19.4 | .613 |
| f | Rodriguez,E* | sp | 6 | 5 | 1 | 5 | 7 | 0 | 0 | 3 | 0 | 8.8 | 3.2 | 12.1 | 10.6 | 1.1 | 3.3 | 103.4 | .630 |
| | Vargas,J* | sp | 1 | 1 | 1 | 1 | 4 | 0 | 0 | 1 | 0 | 7.7 | 3.4 | 11.3 | 7.0 | 1.2 | 2.0 | 96.4 | .602 |
| | Stanek | mr | 7 | 2 | 1 | 0 | 6 | 0 | 2 | 2 | 0 | 6.4 | 4.3 | 10.8 | 9.8 | 1.7 | 2.3 | 20.7 | .596 |
| f | Webb,J | mr | 0 | 1 | 0 | 1 | 4 | 0 | 2 | 0 | 0 | 8.6 | 3.1 | 12.0 | 7.3 | 1.5 | 2.4 | 21.5 | .633 |
| | Liriano* | mr | 2 | 2 | 1 | 6 | 2 | 0 | 1 | 0 | 0 | 9.0 | 4.4 | 14.0 | 7.3 | 1.3 | 1.7 | 22.3 | .588 |
| | Jackson,L | cl | 5 | 0 | 1 | 2 | 5 | 0 | 0 | 0 | 0 | 10.2 | 2.9 | 13.3 | 14.0 | 2.2 | 4.9 | 19.2 | .634 |
| | Bettis | mr | 1 | 0 | 1 | 6 | 2 | 0 | 0 | 1 | 0 | 10.6 | 4.0 | 15.6 | 6.3 | 1.3 | 1.6 | 30.3 | .610 |
| f | Bradford | mr | 1 | 0 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 9.2 | 2.0 | 11.4 | 8.8 | 3.4 | 4.4 | 23.7 | .656 |
| | Waguespack | sp | 2 | 1 | 0 | 9 | 3 | 0 | 1 | 5 | 0 | 8.3 | 3.7 | 12.7 | 7.0 | 1.7 | 1.9 | 60.7 | .594 |
| | Brooks | sp | 3 | 1 | 1 | 9 | 3 | 1 | 1 | 4 | 0 | 8.9 | 2.3 | 12.0 | 6.5 | 1.8 | 2.8 | 75.6 | .643 |
| | Sampson | mr | 4 | 0 | 1 | 10 | 2 | 0 | 2 | 1 | 0 | 10.0 | 2.4 | 13.2 | 7.9 | 2.0 | 3.3 | 79.8 | .627 |
| f | Smeltzer* | sp | 5 | 1 | 0 | 3 | 1 | 4 | 1 | 4 | 0 | 9.4 | 3.1 | 12.9 | 8.3 | 1.2 | 2.7 | 88.2 | .630 |
| | Rondon,H | mr | 3 | 2 | 1 | 11 | 0 | 1 | 0 | 3 | 0 | 10.2 | 3.9 | 15.4 | 7.5 | 1.3 | 1.9 | 21.3 | .608 |
| | Jurado | sp | 6 | 3 | 0 | 9 | 1 | 0 | 0 | 2 | 0 | 11.4 | 1.8 | 13.9 | 7.5 | 2.4 | 4.1 | 86.6 | .637 |
| | Clarke | sp | 4 | 0 | 1 | 6 | 5 | 0 | 2 | 9 | 0 | 11.4 | 3.1 | 14.9 | 6.9 | 3.0 | 2.3 | 72.4 | .613 |
| | Jackson,E | sp | 3 | 2 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 14.8 | 4.1 | 19.5 | 7.5 | 3.5 | 1.9 | 69.4 | .587 |
|   | Total |   | 53 | 21 | 12 | 82 | 54 | 6 | 13 | 35 | 0 | 9.5 | 3.2 | 13.1 | 8.4 | 1.8 | 2.6 |   | .619 |
| Analytical |
 | Name | P | OPS | WHIP | BIP | BABIP | TBW | /BF | TBWH | /BF | RC | RC27 | RCERA | CERA |
| | Graterol,B | mr | .631 | 1.27 | 22 | .273 | 15 | .385 | 16 | .410 | 3.7 | 3.7 | 3.46 | 3.43 |
| f | Rodriguez,E* | sp | .716 | 1.33 | 578 | .324 | 424 | .448 | 429 | .453 | 108.5 | 4.4 | 4.00 | 3.95 |
| | Vargas,J* | sp | .712 | 1.24 | 212 | .250 | 143 | .464 | 144 | .468 | 34.0 | 4.1 | 3.76 | 3.49 |
| | Stanek | mr | .695 | 1.20 | 209 | .225 | 171 | .467 | 171 | .467 | 38.7 | 3.9 | 3.51 | 3.46 |
| f | Webb,J | mr | .785 | 1.30 | 119 | .269 | 88 | .506 | 89 | .511 | 22.2 | 4.8 | 4.43 | 4.18 |
| | Liriano* | mr | .798 | 1.49 | 270 | .296 | 204 | .499 | 210 | .513 | 54.7 | 5.3 | 4.78 | 5.04 |
| | Jackson,L | cl | .825 | 1.46 | 186 | .392 | 189 | .524 | 191 | .529 | 54.5 | 6.0 | 5.41 | 5.64 |
| | Bettis | mr | .831 | 1.62 | 177 | .316 | 126 | .498 | 132 | .522 | 38.0 | 6.2 | 5.67 | 6.04 |
| f | Bradford | mr | .908 | 1.24 | 116 | .250 | 117 | .622 | 118 | .628 | 31.0 | 6.2 | 5.59 | 5.41 |
| | Waguespack | sp | .804 | 1.33 | 309 | .256 | 238 | .511 | 247 | .530 | 64.1 | 5.3 | 4.82 | 4.60 |
| | Brooks | sp | .810 | 1.24 | 315 | .263 | 229 | .511 | 238 | .531 | 62.9 | 5.4 | 4.84 | 4.43 |
| | Sampson | mr | .873 | 1.38 | 335 | .304 | 277 | .552 | 287 | .572 | 80.8 | 6.3 | 5.71 | 5.36 |
| f | Smeltzer* | sp | .753 | 1.40 | 244 | .311 | 168 | .462 | 171 | .470 | 46.9 | 5.0 | 4.58 | 4.47 |
| | Rondon,H | mr | .869 | 1.56 | 220 | .323 | 174 | .524 | 185 | .557 | 54.8 | 6.8 | 6.19 | 5.85 |
| | Jurado | sp | .926 | 1.47 | 363 | .325 | 308 | .586 | 317 | .603 | 98.2 | 7.5 | 6.72 | 6.43 |
| | Clarke | sp | .987 | 1.60 | 342 | .289 | 319 | .638 | 325 | .650 | 102.5 | 8.4 | 7.83 | 7.15 |
| | Jackson,E | sp | 1.215 | 2.10 | 103 | .379 | 124 | .790 | 126 | .803 | 45.9 | 13.0 | 11.99 | 11.24 |
|   | Total |   | .825 | 1.40 | 4120 | .299 | 3314 | .523 | 3396 | .536 | 932.7 | 5.8 | 5.23 | 5.07 |
| Start |
 | Name | P | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% |
| | Graterol,B | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 |
| f | Rodriguez,E* | sp | 36 | 1 | .028 | 1 | 21 | .583 | 169 | 4.7 | 25 | 7 | .280 |
| | Vargas,J* | sp | 12 | 1 | .083 | 1 | 6 | .500 | 45 | 3.8 | 8 | 3 | .375 |
| | Stanek | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 36 | 10 | .278 |
| f | Webb,J | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 7 | .412 |
| | Liriano* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 45 | 6 | .133 |
| | Jackson,L | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 8 | .421 |
| | Bettis | mr | 4 | 0 | .000 | 0 | 0 | .000 | 25 | 6.3 | 17 | 3 | .176 |
| f | Bradford | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 |
| | Waguespack | sp | 14 | 0 | .000 | 0 | 6 | .429 | 73 | 5.2 | 14 | 6 | .429 |
| | Brooks | sp | 16 | 1 | .063 | 0 | 7 | .438 | 95 | 5.9 | 6 | 1 | .167 |
| | Sampson | mr | 18 | 0 | .000 | 0 | 8 | .444 | 100 | 5.6 | 13 | 3 | .231 |
| f | Smeltzer* | sp | 16 | 0 | .000 | 0 | 5 | .313 | 68 | 4.3 | 11 | 7 | .636 |
| | Rondon,H | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 37 | 9 | .243 |
| | Jurado | sp | 22 | 0 | .000 | 0 | 9 | .409 | 114 | 5.2 | 11 | 5 | .455 |
| | Clarke | sp | 18 | 0 | .000 | 0 | 3 | .167 | 120 | 6.7 | 14 | 6 | .429 |
| | Jackson,E | sp | 6 | 0 | .000 | 0 | 1 | .167 | 41 | 6.8 | 4 | 0 | .000 |
|   | Total |   | 162 | 3 | .019 | 11 | 66 | .407 | 850 | 5.2 | 288 | 82 | .285 |
| Relief |
 | Name | P | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF |
| | Graterol,B | mr | 0 | 0 | .000 | 0 | .000 | 1 | 6 | 0 | .000 | 8 | 8 | 7 |
| f | Rodriguez,E* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 36 | 0 | 0 |
| | Vargas,J* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 |
| | Stanek | mr | 8 | 4 | .500 | 4 | .500 | 9 | 50 | 13 | .260 | 71 | 71 | 24 |
| f | Webb,J | mr | 5 | 3 | .600 | 2 | .400 | 4 | 13 | 2 | .154 | 30 | 30 | 11 |
| | Liriano* | mr | 10 | 1 | .100 | 5 | .500 | 15 | 55 | 18 | .327 | 69 | 69 | 16 |
| | Jackson,L | cl | 30 | 25 | .833 | 5 | .167 | 5 | 53 | 10 | .189 | 73 | 73 | 49 |
| | Bettis | mr | 5 | 3 | .600 | 2 | .400 | 1 | 23 | 12 | .522 | 28 | 24 | 15 |
| f | Bradford | mr | 3 | 1 | .333 | 1 | .333 | 6 | 21 | 7 | .333 | 30 | 30 | 8 |
| | Waguespack | sp | 1 | 1 | 1.000 | 0 | .000 | 1 | 11 | 5 | .455 | 29 | 15 | 8 |
| | Brooks | sp | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 1 | .250 | 21 | 5 | 4 |
| | Sampson | mr | 1 | 1 | 1.000 | 0 | .000 | 0 | 4 | 1 | .250 | 23 | 5 | 5 |
| f | Smeltzer* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 16 | 0 | 0 |
| | Rondon,H | mr | 6 | 2 | .333 | 2 | .333 | 13 | 39 | 10 | .256 | 60 | 60 | 10 |
| | Jurado | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 |
| | Clarke | sp | 1 | 0 | .000 | 1 | 1.000 | 0 | 7 | 1 | .143 | 25 | 7 | 1 |
| | Jackson,E | sp | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 9 | 3 | 1 |
|   | Total |   | 70 | 41 | .586 | 22 | .314 | 55 | 288 | 82 | .285 | 162 | 400 | 159 |