Team pitching - 2021 Pittsburgh Pirates
Regular season
| Primary |
| Name | P | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP | BF |
| Williams, D | mr | 0.98 | 4 | 1 | 1 | 57 | 0 | 0 | 0 | 64.1 | 18 | 7 | 7 | 14 | 124 | 3 | 1 | 229 |
| Hader, J* | cl | 1.76 | 3 | 0 | 22 | 47 | 0 | 0 | 0 | 46.0 | 12 | 14 | 9 | 25 | 63 | 4 | 1 | 182 |
| Smith, R | mr | 2.44 | 5 | 3 | 0 | 33 | 0 | 0 | 0 | 44.1 | 40 | 14 | 12 | 17 | 50 | 3 | 4 | 184 |
| Crichton, S | mr | 2.83 | 0 | 2 | 1 | 52 | 0 | 0 | 0 | 60.1 | 62 | 27 | 19 | 10 | 48 | 2 | 19 | 250 |
| Parker, B | mr | 3.38 | 4 | 0 | 0 | 32 | 0 | 0 | 0 | 40.0 | 30 | 20 | 15 | 18 | 60 | 2 | 1 | 170 |
| Wheeler, Z* | sp | 3.42 | 13 | 5 | 0 | 26 | 26 | 1 | 1 | 163.0 | 181 | 70 | 62 | 36 | 117 | 9 | 32 | 689 |
| Jeffress, J | cl | 3.48 | 2 | 3 | 18 | 53 | 0 | 0 | 0 | 51.2 | 28 | 21 | 20 | 37 | 46 | 6 | 12 | 209 |
| Burnes, C | sp | 3.50 | 14 | 2 | 0 | 24 | 23 | 0 | 0 | 121.0 | 93 | 50 | 47 | 63 | 194 | 9 | 8 | 513 |
| Hudson, D | sp | 4.00 | 5 | 6 | 0 | 15 | 15 | 0 | 0 | 83.1 | 92 | 42 | 37 | 45 | 83 | 10 | 12 | 374 |
| Giolito, L | sp | 4.02 | 13 | 6 | 0 | 27 | 27 | 0 | 0 | 156.2 | 153 | 76 | 70 | 74 | 225 | 15 | 20 | 684 |
| Buehler, W | sp | 4.21 | 8 | 4 | 0 | 15 | 15 | 0 | 0 | 87.2 | 79 | 47 | 41 | 30 | 101 | 19 | 3 | 376 |
| Kolarek, A* | mr | 4.35 | 2 | 2 | 1 | 37 | 0 | 0 | 0 | 39.1 | 40 | 25 | 19 | 18 | 25 | 5 | 6 | 174 |
| Hatch, T | mr | 4.79 | 3 | 1 | 1 | 38 | 0 | 0 | 0 | 62.0 | 51 | 35 | 33 | 37 | 53 | 8 | 8 | 269 |
| Bradley, A | cl | 4.91 | 1 | 1 | 0 | 14 | 0 | 0 | 0 | 14.2 | 16 | 8 | 8 | 5 | 15 | 5 | 4 | 61 |
| Kinley, T | mr | 5.87 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 7.2 | 6 | 6 | 5 | 3 | 7 | 2 | 1 | 32 |
| Weaver, L | sp | 7.99 | 8 | 10 | 0 | 24 | 24 | 0 | 0 | 121.2 | 174 | 115 | 108 | 52 | 125 | 38 | 3 | 590 |
| Stripling, R | sp | 8.10 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 10.0 | 14 | 9 | 9 | 14 | 7 | 0 | 2 | 55 |
| Oviedo, J | sp | 9.58 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 10.1 | 15 | 12 | 11 | 8 | 6 | 5 | 2 | 53 |
| Total |   | 4.04 | 86 | 46 | 46 | 132 | 132 | 1 | 9 | 1184.0 | 1104 | 598 | 532 | 506 | 1349 | 145 | 139 | 5094 |
| Secondary |
| Name | P | SB | CS | IW | HBP | WP | BK | SH | SF | CI | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | PCH/G | STR% |
| Williams, D | mr | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 2.5 | 2.0 | 4.8 | 17.3 | 0.4 | 8.9 | 16.9 | .646 |
| Hader, J* | cl | 0 | 0 | 0 | 5 | 3 | 0 | 1 | 0 | 0 | 2.3 | 4.9 | 8.2 | 12.3 | 0.8 | 2.5 | 15.6 | .585 |
| Smith, R | mr | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 8.1 | 3.5 | 11.6 | 10.2 | 0.6 | 2.9 | 22.0 | .619 |
| Crichton, S | mr | 2 | 0 | 0 | 11 | 9 | 1 | 1 | 1 | 0 | 9.2 | 1.5 | 12.4 | 7.2 | 0.3 | 4.8 | 17.3 | .643 |
| Parker, B | mr | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 6.8 | 4.0 | 11.0 | 13.5 | 0.4 | 3.3 | 21.9 | .601 |
| Wheeler, Z* | sp | 6 | 1 | 0 | 13 | 0 | 0 | 2 | 3 | 0 | 10.0 | 2.0 | 12.7 | 6.5 | 0.5 | 3.3 | 94.7 | .647 |
| Jeffress, J | cl | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 4.9 | 6.4 | 11.8 | 8.0 | 1.0 | 1.2 | 16.5 | .562 |
| Burnes, C | sp | 15 | 2 | 0 | 4 | 7 | 0 | 0 | 2 | 0 | 6.9 | 4.7 | 11.9 | 14.4 | 0.7 | 3.1 | 92.0 | .596 |
| Hudson, D | sp | 6 | 1 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 9.9 | 4.9 | 14.8 | 9.0 | 1.1 | 1.8 | 94.4 | .605 |
| Giolito, L | sp | 10 | 0 | 0 | 4 | 5 | 0 | 1 | 4 | 0 | 8.8 | 4.3 | 13.3 | 12.9 | 0.9 | 3.0 | 102.3 | .611 |
| Buehler, W | sp | 11 | 1 | 0 | 2 | 5 | 0 | 0 | 3 | 0 | 8.1 | 3.1 | 11.4 | 10.4 | 2.0 | 3.4 | 98.3 | .622 |
| Kolarek, A* | mr | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 9.2 | 4.1 | 13.5 | 5.7 | 1.1 | 1.4 | 16.5 | .618 |
| Hatch, T | mr | 4 | 0 | 0 | 1 | 1 | 0 | 0 | 4 | 0 | 7.4 | 5.4 | 12.9 | 7.7 | 1.2 | 1.4 | 28.2 | .573 |
| Bradley, A | cl | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 3.1 | 12.9 | 9.2 | 3.1 | 3.0 | 17.4 | .602 |
| Kinley, T | mr | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 7.0 | 3.5 | 10.6 | 8.2 | 2.3 | 2.3 | 25.0 | .576 |
| Weaver, L | sp | 6 | 3 | 0 | 4 | 0 | 0 | 0 | 2 | 0 | 12.9 | 3.8 | 17.0 | 9.2 | 2.8 | 2.4 | 92.5 | .619 |
| Stripling, R | sp | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.6 | 12.6 | 25.2 | 6.3 | 0.0 | 0.5 | 56.5 | .482 |
| Oviedo, J | sp | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 13.1 | 7.0 | 20.9 | 5.2 | 4.4 | 0.8 | 94.0 | .516 |
| Total |   | 61 | 10 | 0 | 52 | 43 | 1 | 7 | 23 | 0 | 8.4 | 3.8 | 12.6 | 10.3 | 1.1 | 2.7 |   | .610 |
| Analytical |
| Name | P | OPS | WHIP | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Williams, D | mr | .308 | 0.50 | 86 | .174 | 48 | .210 | 50 | .218 | 5.5 | 0.8 | 0.69 | 0.57 |
| Hader, J* | cl | .417 | 0.80 | 85 | .094 | 53 | .291 | 58 | .319 | 8.2 | 1.6 | 1.44 | 1.35 |
| Smith, R | mr | .631 | 1.29 | 114 | .325 | 70 | .380 | 70 | .380 | 16.7 | 3.4 | 3.05 | 3.31 |
| Crichton, S | mr | .752 | 1.19 | 179 | .335 | 105 | .420 | 116 | .464 | 26.3 | 3.8 | 3.52 | 3.69 |
| Parker, B | mr | .619 | 1.20 | 89 | .315 | 68 | .400 | 69 | .406 | 15.2 | 3.3 | 3.08 | 2.62 |
| Wheeler, Z* | sp | .746 | 1.33 | 514 | .335 | 297 | .431 | 310 | .450 | 79.9 | 4.4 | 3.97 | 4.08 |
| Jeffress, J | cl | .613 | 1.26 | 117 | .188 | 85 | .407 | 88 | .421 | 15.6 | 2.7 | 2.45 | 3.31 |
| Burnes, C | sp | .638 | 1.29 | 243 | .346 | 208 | .405 | 212 | .413 | 50.1 | 3.7 | 3.35 | 3.23 |
| Hudson, D | sp | .779 | 1.64 | 236 | .347 | 180 | .481 | 180 | .481 | 49.8 | 5.4 | 4.84 | 5.47 |
| Giolito, L | sp | .729 | 1.45 | 366 | .377 | 309 | .452 | 313 | .458 | 81.2 | 4.6 | 4.20 | 4.31 |
| Buehler, W | sp | .738 | 1.24 | 224 | .268 | 181 | .481 | 183 | .487 | 47.4 | 4.8 | 4.38 | 4.06 |
| Kolarek, A* | mr | .725 | 1.47 | 125 | .280 | 77 | .443 | 78 | .448 | 19.8 | 4.4 | 4.08 | 4.68 |
| Hatch, T | mr | .719 | 1.42 | 170 | .253 | 125 | .465 | 126 | .468 | 30.7 | 4.4 | 4.01 | 4.14 |
| Bradley, A | cl | .934 | 1.43 | 36 | .306 | 38 | .623 | 38 | .623 | 9.7 | 6.0 | 5.36 | 6.39 |
| Kinley, T | mr | .695 | 1.17 | 20 | .200 | 15 | .469 | 15 | .469 | 3.2 | 3.6 | 3.38 | 3.82 |
| Weaver, L | sp | 1.021 | 1.86 | 371 | .367 | 388 | .658 | 392 | .664 | 134.7 | 9.9 | 8.97 | 8.63 |
| Stripling, R | sp | .997 | 2.80 | 34 | .412 | 34 | .618 | 34 | .618 | 11.2 | 10.4 | 9.05 | 10.20 |
| Oviedo, J | sp | 1.203 | 2.23 | 33 | .303 | 41 | .774 | 42 | .792 | 14.7 | 12.8 | 11.50 | 12.85 |
| Total |   | .730 | 1.36 | 3042 | .315 | 2322 | .456 | 2374 | .466 | 596.5 | 4.5 | 4.08 | 4.15 |
| Start |
| Name | P | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% |
| Williams, D | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 |
| Hader, J* | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 |
| Smith, R | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 0 | .000 |
| Crichton, S | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 |
| Parker, B | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 3 | .429 |
| Wheeler, Z* | sp | 26 | 1 | .038 | 1 | 13 | .500 | 168 | 6.5 | 14 | 2 | .143 |
| Jeffress, J | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 |
| Burnes, C | sp | 23 | 0 | .000 | 0 | 9 | .391 | 148 | 6.4 | 13 | 4 | .308 |
| Hudson, D | sp | 15 | 0 | .000 | 0 | 6 | .400 | 74 | 4.9 | 9 | 3 | .333 |
| Giolito, L | sp | 27 | 0 | .000 | 0 | 16 | .593 | 158 | 5.9 | 14 | 4 | .286 |
| Buehler, W | sp | 15 | 0 | .000 | 0 | 8 | .533 | 98 | 6.5 | 5 | 1 | .200 |
| Kolarek, A* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 |
| Hatch, T | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 7 | .636 |
| Bradley, A | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 |
| Kinley, T | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 |
| Weaver, L | sp | 24 | 0 | .000 | 0 | 7 | .292 | 144 | 6.0 | 11 | 3 | .273 |
| Stripling, R | sp | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 |
| Oviedo, J | sp | 2 | 0 | .000 | 0 | 0 | .000 | 20 | 10.0 | 2 | 0 | .000 |
| Total |   | 132 | 1 | .008 | 9 | 59 | .447 | 810 | 6.1 | 121 | 33 | .273 |
| Relief |
| Name | P | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF |
| Williams, D | mr | 1 | 1 | 1.000 | 0 | .000 | 30 | 18 | 0 | .000 | 57 | 57 | 9 |
| Hader, J* | cl | 23 | 22 | .957 | 1 | .043 | 4 | 9 | 1 | .111 | 47 | 47 | 31 |
| Smith, R | mr | 1 | 0 | .000 | 1 | 1.000 | 9 | 14 | 9 | .643 | 33 | 33 | 9 |
| Crichton, S | mr | 3 | 1 | .333 | 2 | .667 | 11 | 25 | 8 | .320 | 52 | 52 | 10 |
| Parker, B | mr | 1 | 0 | .000 | 1 | 1.000 | 8 | 13 | 5 | .385 | 32 | 32 | 5 |
| Wheeler, Z* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 |
| Jeffress, J | cl | 23 | 18 | .783 | 5 | .217 | 5 | 4 | 1 | .250 | 53 | 53 | 37 |
| Burnes, C | sp | 0 | 0 | .000 | 0 | .000 | 1 | 0 | 0 | .000 | 24 | 1 | 0 |
| Hudson, D | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 |
| Giolito, L | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 |
| Buehler, W | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 |
| Kolarek, A* | mr | 2 | 1 | .500 | 1 | .500 | 9 | 7 | 2 | .286 | 37 | 37 | 12 |
| Hatch, T | mr | 1 | 1 | 1.000 | 0 | .000 | 10 | 24 | 6 | .250 | 38 | 38 | 8 |
| Bradley, A | cl | 0 | 0 | .000 | 0 | .000 | 4 | 4 | 0 | .000 | 14 | 14 | 6 |
| Kinley, T | mr | 0 | 0 | .000 | 0 | .000 | 1 | 1 | 1 | 1.000 | 5 | 5 | 1 |
| Weaver, L | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 |
| Stripling, R | sp | 3 | 2 | .667 | 1 | .333 | 0 | 2 | 0 | .000 | 4 | 4 | 3 |
| Oviedo, J | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 |
| Total |   | 58 | 46 | .793 | 12 | .207 | 92 | 121 | 33 | .273 | 132 | 373 | 131 |