Team pitching -- 2021 Chicago Black Sox
Regular season -- as of 10/18/2021
| Primary |
| S | Name | P | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP | BF |
| | Strop | mr | 2.11 | 1 | 2 | 1 | 46 | 0 | 0 | 0 | 42.2 | 37 | 12 | 10 | 15 | 50 | 5 | 6 | 177 |
| | Mayza* | mr | 2.19 | 4 | 1 | 4 | 58 | 0 | 0 | 0 | 53.1 | 39 | 14 | 13 | 21 | 64 | 3 | 4 | 217 |
| | Martinez,C | sp | 3.23 | 2 | 1 | 15 | 52 | 0 | 0 | 0 | 47.1 | 35 | 22 | 17 | 13 | 53 | 10 | 5 | 188 |
| | Hendriks | cl | 3.35 | 2 | 2 | 26 | 42 | 0 | 0 | 0 | 40.1 | 34 | 17 | 15 | 11 | 55 | 9 | 5 | 165 |
| | Keuchel* | sp | 3.58 | 15 | 8 | 0 | 28 | 28 | 0 | 0 | 173.1 | 156 | 77 | 69 | 66 | 129 | 27 | 19 | 728 |
| | Brasier | mr | 3.60 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 15.0 | 16 | 7 | 6 | 4 | 20 | 1 | 0 | 67 |
| | Familia | mr | 3.62 | 2 | 2 | 0 | 65 | 0 | 0 | 0 | 59.2 | 57 | 25 | 24 | 29 | 59 | 6 | 10 | 256 |
| | Kolarek* | mr | 3.83 | 4 | 3 | 5 | 51 | 0 | 0 | 0 | 42.1 | 36 | 22 | 18 | 13 | 32 | 8 | 3 | 177 |
| | Alcantara,Sa | sp | 3.94 | 19 | 5 | 0 | 34 | 34 | 0 | 0 | 210.1 | 195 | 106 | 92 | 86 | 164 | 35 | 23 | 916 |
| | Santana,Er | sp | 4.19 | 8 | 4 | 0 | 20 | 20 | 0 | 0 | 124.2 | 110 | 59 | 58 | 38 | 79 | 16 | 10 | 513 |
| f | Gonzalez,G* | sp | 4.19 | 10 | 7 | 0 | 26 | 26 | 0 | 0 | 146.0 | 144 | 70 | 68 | 68 | 155 | 28 | 12 | 636 |
| f | Johnson,P | mr | 4.38 | 4 | 2 | 0 | 39 | 0 | 0 | 0 | 37.0 | 48 | 18 | 18 | 15 | 40 | 7 | 2 | 172 |
| f | Bowman | mr | 4.43 | 6 | 2 | 0 | 53 | 0 | 0 | 0 | 61.0 | 65 | 39 | 30 | 32 | 51 | 9 | 5 | 281 |
| | Heaney* | sp | 4.84 | 6 | 4 | 0 | 12 | 12 | 0 | 0 | 70.2 | 60 | 38 | 38 | 12 | 80 | 14 | 4 | 286 |
| | Anderson,I | sp | 4.88 | 6 | 5 | 0 | 17 | 16 | 0 | 0 | 90.1 | 76 | 56 | 49 | 52 | 103 | 11 | 6 | 394 |
| f | Eveld | mr | 5.61 | 2 | 0 | 0 | 33 | 0 | 0 | 0 | 33.2 | 31 | 21 | 21 | 18 | 33 | 5 | 3 | 149 |
| f | Sampson,K | sp | 5.81 | 4 | 4 | 0 | 11 | 9 | 0 | 0 | 57.1 | 45 | 41 | 37 | 44 | 53 | 17 | 10 | 255 |
| f | Fletcher,A* | mr | 6.26 | 0 | 1 | 1 | 27 | 0 | 0 | 0 | 27.1 | 37 | 24 | 19 | 13 | 31 | 4 | 4 | 131 |
| f | Hughes | mr | 6.32 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 15.2 | 21 | 12 | 11 | 3 | 13 | 3 | 0 | 72 |
| f | Porcello | sp | 6.95 | 3 | 7 | 0 | 15 | 15 | 0 | 0 | 89.1 | 108 | 73 | 69 | 22 | 79 | 34 | 7 | 400 |
| f | Ervin | lf | 9.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 6 |
| f | Finnegan | mr | 11.57 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 2.1 | 2 | 3 | 3 | 4 | 1 | 0 | 2 | 11 |
|   | Total |   | 4.29 | 100 | 60 | 52 | 160 | 160 | 0 | 8 | 1440.2 | 1354 | 757 | 686 | 579 | 1344 | 252 | 140 | 6197 |
| Secondary |
| S | 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% |
| | Strop | mr | 1 | 1 | 2 | 3 | 7 | 0 | 1 | 0 | 0 | 7.8 | 3.2 | 11.6 | 10.5 | 1.1 | 3.3 | 14.7 | .614 |
| | Mayza* | mr | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 3 | 0 | 6.6 | 3.5 | 10.1 | 10.8 | 0.5 | 3.0 | 14.9 | .614 |
| | Martinez,C | sp | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 6.7 | 2.5 | 9.1 | 10.1 | 1.9 | 4.1 | 14.1 | .641 |
| | Hendriks | cl | 1 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 7.6 | 2.5 | 10.7 | 12.3 | 2.0 | 5.0 | 15.5 | .622 |
| | Keuchel* | sp | 7 | 4 | 1 | 6 | 8 | 0 | 2 | 4 | 0 | 8.1 | 3.4 | 11.8 | 6.7 | 1.4 | 2.0 | 96.0 | .616 |
| | Brasier | mr | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 9.6 | 2.4 | 12.6 | 12.0 | 0.6 | 5.0 | 16.1 | .626 |
| | Familia | mr | 5 | 0 | 1 | 1 | 1 | 0 | 1 | 2 | 0 | 8.6 | 4.4 | 13.1 | 8.9 | 0.9 | 2.0 | 15.0 | .592 |
| | Kolarek* | mr | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 2 | 0 | 7.7 | 2.8 | 11.3 | 6.8 | 1.7 | 2.5 | 12.4 | .608 |
| | Alcantara,Sa | sp | 3 | 5 | 1 | 13 | 6 | 0 | 0 | 7 | 0 | 8.3 | 3.7 | 12.6 | 7.0 | 1.5 | 1.9 | 99.8 | .611 |
| | Santana,Er | sp | 3 | 2 | 0 | 3 | 6 | 1 | 2 | 4 | 0 | 7.9 | 2.7 | 10.9 | 5.7 | 1.2 | 2.1 | 95.8 | .626 |
| f | Gonzalez,G* | sp | 3 | 3 | 1 | 3 | 6 | 0 | 3 | 3 | 0 | 8.9 | 4.2 | 13.3 | 9.6 | 1.7 | 2.3 | 94.2 | .606 |
| f | Johnson,P | mr | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 11.7 | 3.6 | 15.3 | 9.7 | 1.7 | 2.7 | 16.3 | .623 |
| f | Bowman | mr | 0 | 1 | 0 | 2 | 0 | 2 | 0 | 2 | 1 | 9.6 | 4.7 | 14.6 | 7.5 | 1.3 | 1.6 | 20.1 | .607 |
| | Heaney* | sp | 1 | 1 | 0 | 5 | 5 | 0 | 1 | 2 | 0 | 7.6 | 1.5 | 9.8 | 10.2 | 1.8 | 6.7 | 85.6 | .673 |
| | Anderson,I | sp | 5 | 3 | 1 | 2 | 15 | 1 | 4 | 2 | 0 | 7.6 | 5.2 | 13.0 | 10.3 | 1.1 | 2.0 | 92.6 | .578 |
| f | Eveld | mr | 1 | 0 | 1 | 2 | 1 | 2 | 1 | 1 | 0 | 8.3 | 4.8 | 13.6 | 8.8 | 1.3 | 1.8 | 17.6 | .596 |
| f | Sampson,K | sp | 2 | 0 | 0 | 3 | 4 | 0 | 1 | 1 | 0 | 7.1 | 6.9 | 14.4 | 8.3 | 2.7 | 1.2 | 92.5 | .563 |
| f | Fletcher,A* | mr | 1 | 0 | 0 | 2 | 3 | 0 | 0 | 2 | 0 | 12.2 | 4.3 | 17.1 | 10.2 | 1.3 | 2.4 | 19.7 | .588 |
| f | Hughes | mr | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 12.1 | 1.7 | 13.8 | 7.5 | 1.7 | 4.3 | 16.4 | .634 |
| f | Porcello | sp | 6 | 3 | 0 | 6 | 3 | 0 | 1 | 2 | 0 | 10.9 | 2.2 | 13.7 | 8.0 | 3.4 | 3.6 | 96.9 | .650 |
| f | Ervin | lf | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 18.0 | 0.0 | 27.0 | 0.0 | 0.0 | 0.0 | 26.0 | .538 |
| f | Finnegan | mr | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 7.7 | 15.4 | 23.1 | 3.9 | 0.0 | 0.3 | 11.0 | .432 |
|   | Total |   | 44 | 23 | 12 | 60 | 79 | 7 | 17 | 40 | 1 | 8.5 | 3.6 | 12.5 | 8.4 | 1.6 | 2.3 |   | .613 |
| Analytical |
| S | Name | P | OPS | WHIP | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| | Strop | mr | .718 | 1.22 | 104 | .308 | 79 | .446 | 82 | .463 | 18.8 | 3.9 | 3.56 | 3.54 |
| | Mayza* | mr | .603 | 1.13 | 129 | .279 | 84 | .387 | 84 | .387 | 18.1 | 3.0 | 2.75 | 2.34 |
| | Martinez,C | sp | .681 | 1.01 | 112 | .223 | 87 | .463 | 87 | .463 | 17.8 | 3.3 | 3.05 | 2.88 |
| | Hendriks | cl | .741 | 1.12 | 87 | .287 | 79 | .479 | 82 | .497 | 18.8 | 4.2 | 3.78 | 3.84 |
| | Keuchel* | sp | .734 | 1.28 | 500 | .258 | 339 | .466 | 345 | .474 | 84.0 | 4.3 | 3.92 | 3.99 |
| | Brasier | mr | .740 | 1.33 | 41 | .366 | 30 | .448 | 31 | .463 | 8.6 | 5.1 | 4.66 | 3.68 |
| | Familia | mr | .736 | 1.44 | 161 | .317 | 117 | .457 | 118 | .461 | 30.0 | 4.5 | 4.07 | 4.29 |
| | Kolarek* | mr | .742 | 1.16 | 120 | .233 | 83 | .469 | 87 | .492 | 21.6 | 4.6 | 4.13 | 3.85 |
| | Alcantara,Sa | sp | .738 | 1.34 | 618 | .259 | 424 | .463 | 437 | .477 | 107.1 | 4.4 | 4.12 | 4.36 |
| | Santana,Er | sp | .684 | 1.19 | 377 | .249 | 219 | .427 | 222 | .433 | 53.2 | 3.8 | 3.46 | 3.37 |
| f | Gonzalez,G* | sp | .814 | 1.45 | 382 | .304 | 333 | .524 | 336 | .528 | 90.5 | 5.6 | 5.02 | 5.03 |
| f | Johnson,P | mr | .863 | 1.70 | 110 | .373 | 93 | .541 | 93 | .541 | 29.0 | 7.1 | 6.36 | 6.39 |
| f | Bowman | mr | .788 | 1.59 | 187 | .299 | 138 | .491 | 140 | .498 | 38.5 | 5.6 | 5.11 | 5.35 |
| | Heaney* | sp | .714 | 1.02 | 175 | .263 | 130 | .455 | 135 | .472 | 31.3 | 4.0 | 3.59 | 3.24 |
| | Anderson,I | sp | .714 | 1.42 | 226 | .288 | 179 | .454 | 181 | .459 | 45.0 | 4.4 | 4.03 | 4.09 |
| f | Eveld | mr | .778 | 1.46 | 91 | .286 | 73 | .490 | 75 | .503 | 19.8 | 5.3 | 4.77 | 4.70 |
| f | Sampson,K | sp | .872 | 1.55 | 138 | .203 | 149 | .584 | 152 | .596 | 38.4 | 6.0 | 5.42 | 6.13 |
| f | Fletcher,A* | mr | .932 | 1.83 | 81 | .407 | 74 | .565 | 76 | .580 | 24.4 | 7.9 | 7.22 | 7.22 |
| f | Hughes | mr | .848 | 1.53 | 53 | .340 | 38 | .528 | 38 | .528 | 12.3 | 6.9 | 6.35 | 5.66 |
| f | Porcello | sp | .975 | 1.46 | 259 | .286 | 256 | .640 | 262 | .655 | 77.5 | 7.6 | 7.03 | 6.95 |
| f | Ervin | lf | .900 | 2.00 | 5 | .400 | 2 | .333 | 3 | .500 | 1.1 | 10.2 | 9.15 | 12.01 |
| f | Finnegan | mr | .831 | 2.57 | 6 | .333 | 6 | .545 | 6 | .545 | 1.1 | 4.3 | 3.84 | 8.85 |
|   | Total |   | .765 | 1.34 | 3962 | .278 | 3012 | .486 | 3072 | .496 | 782.3 | 4.8 | 4.40 | 4.42 |
| Start |
| S | Name | P | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% |
| | Strop | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 3 | .176 |
| | Mayza* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 2 | .182 |
| | Martinez,C | sp | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 |
| | Hendriks | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 |
| | Keuchel* | sp | 28 | 0 | .000 | 0 | 17 | .607 | 171 | 6.1 | 12 | 2 | .167 |
| | Brasier | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 1 | .143 |
| | Familia | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 4 | .190 |
| | Kolarek* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 |
| | Alcantara,Sa | sp | 34 | 0 | .000 | 0 | 19 | .559 | 220 | 6.5 | 19 | 4 | .211 |
| | Santana,Er | sp | 20 | 0 | .000 | 0 | 12 | .600 | 112 | 5.6 | 7 | 3 | .429 |
| f | Gonzalez,G* | sp | 26 | 0 | .000 | 0 | 12 | .462 | 140 | 5.4 | 15 | 7 | .467 |
| f | Johnson,P | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 0 | .000 |
| f | Bowman | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 6 | .300 |
| | Heaney* | sp | 12 | 0 | .000 | 0 | 4 | .333 | 80 | 6.7 | 5 | 1 | .200 |
| | Anderson,I | sp | 16 | 0 | .000 | 0 | 5 | .313 | 86 | 5.4 | 9 | 6 | .667 |
| f | Eveld | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 5 | .333 |
| f | Sampson,K | sp | 9 | 0 | .000 | 0 | 2 | .222 | 44 | 4.9 | 5 | 1 | .200 |
| f | Fletcher,A* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 3 | .250 |
| f | Hughes | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 |
| f | Porcello | sp | 15 | 0 | .000 | 0 | 1 | .067 | 85 | 5.7 | 11 | 3 | .273 |
| f | Ervin | lf | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 |
| f | Finnegan | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 2 | 1.000 |
|   | Total |   | 160 | 0 | .000 | 8 | 72 | .450 | 938 | 5.9 | 241 | 61 | .253 |
| Relief |
| S | Name | P | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF |
| | Strop | mr | 4 | 1 | .250 | 2 | .500 | 22 | 19 | 3 | .158 | 46 | 46 | 5 |
| | Mayza* | mr | 7 | 4 | .571 | 2 | .286 | 16 | 30 | 11 | .367 | 58 | 58 | 15 |
| | Martinez,C | sp | 20 | 15 | .750 | 4 | .200 | 4 | 20 | 6 | .300 | 52 | 52 | 29 |
| | Hendriks | cl | 28 | 26 | .929 | 2 | .071 | 1 | 9 | 1 | .111 | 42 | 42 | 37 |
| | Keuchel* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 |
| | Brasier | mr | 1 | 0 | .000 | 1 | 1.000 | 3 | 10 | 1 | .100 | 16 | 16 | 2 |
| | Familia | mr | 1 | 0 | .000 | 1 | 1.000 | 24 | 38 | 13 | .342 | 65 | 65 | 6 |
| | Kolarek* | mr | 6 | 5 | .833 | 0 | .000 | 18 | 37 | 3 | .081 | 51 | 51 | 13 |
| | Alcantara,Sa | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 |
| | Santana,Er | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 |
| f | Gonzalez,G* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 |
| f | Johnson,P | mr | 3 | 0 | .000 | 2 | .667 | 12 | 19 | 5 | .263 | 39 | 39 | 10 |
| f | Bowman | mr | 3 | 0 | .000 | 3 | 1.000 | 11 | 26 | 8 | .308 | 53 | 53 | 14 |
| | Heaney* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 |
| | Anderson,I | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 1 | 1 |
| f | Eveld | mr | 0 | 0 | .000 | 0 | .000 | 7 | 7 | 1 | .143 | 33 | 33 | 10 |
| f | Sampson,K | sp | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 11 | 2 | 0 |
| f | Fletcher,A* | mr | 3 | 1 | .333 | 0 | .000 | 1 | 13 | 2 | .154 | 27 | 27 | 10 |
| f | Hughes | mr | 1 | 0 | .000 | 0 | .000 | 1 | 9 | 5 | .556 | 16 | 16 | 6 |
| f | Porcello | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 |
| f | Ervin | lf | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 1 |
| f | Finnegan | mr | 0 | 0 | .000 | 0 | .000 | 1 | 2 | 0 | .000 | 4 | 4 | 1 |
|   | Total |   | 77 | 52 | .675 | 17 | .221 | 121 | 241 | 61 | .253 | 160 | 506 | 160 |