Team pitching -- 2021 St. Louis Cardinals
Regular season -- as of 9/21/2021
| Primary |
 | Name | P | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP | BF |
| n | Foster | mr | 1.74 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 20.2 | 15 | 4 | 4 | 2 | 25 | 1 | 0 | 79 |
| | Rondon,H | mr | 2.13 | 1 | 1 | 0 | 6 | 0 | 0 | 0 | 12.2 | 8 | 3 | 3 | 2 | 13 | 2 | 1 | 46 |
| | Zamora* | mr | 2.36 | 2 | 3 | 4 | 39 | 0 | 0 | 0 | 42.0 | 36 | 11 | 11 | 23 | 52 | 3 | 3 | 183 |
| | Guerra,D | mr | 2.59 | 2 | 0 | 5 | 41 | 0 | 0 | 0 | 55.2 | 41 | 18 | 16 | 16 | 46 | 2 | 6 | 218 |
| | Maton,P | mr | 2.69 | 7 | 2 | 4 | 46 | 0 | 0 | 0 | 63.2 | 53 | 22 | 19 | 15 | 75 | 6 | 4 | 254 |
| n | Burdi,N | mr | 2.70 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 10.0 | 6 | 4 | 3 | 4 | 12 | 1 | 0 | 42 |
| n | Bedrosian | mr | 2.79 | 0 | 3 | 0 | 4 | 4 | 0 | 0 | 19.1 | 23 | 6 | 6 | 9 | 16 | 1 | 5 | 84 |
| | Soria | mr | 3.05 | 5 | 0 | 10 | 46 | 0 | 0 | 0 | 56.0 | 41 | 19 | 19 | 13 | 67 | 5 | 2 | 225 |
| | Hirano | mr | 3.10 | 1 | 2 | 1 | 20 | 0 | 0 | 0 | 29.0 | 22 | 10 | 10 | 11 | 30 | 3 | 5 | 114 |
| | Neris | cl | 3.16 | 8 | 3 | 15 | 53 | 0 | 0 | 0 | 62.2 | 51 | 22 | 22 | 28 | 91 | 7 | 2 | 271 |
| | Mize | sp | 3.20 | 6 | 7 | 0 | 21 | 21 | 1 | 0 | 137.2 | 131 | 60 | 49 | 24 | 101 | 20 | 13 | 564 |
| | Meisinger | mr | 3.24 | 2 | 0 | 3 | 28 | 0 | 0 | 0 | 41.2 | 28 | 16 | 15 | 13 | 40 | 7 | 2 | 167 |
| | Heaney* | sp | 3.52 | 10 | 8 | 0 | 24 | 24 | 2 | 0 | 156.0 | 131 | 66 | 61 | 51 | 174 | 18 | 10 | 645 |
| | Peterson,Da* | sp | 4.10 | 10 | 10 | 0 | 25 | 25 | 2 | 0 | 147.0 | 128 | 68 | 67 | 60 | 112 | 15 | 13 | 620 |
| | Hunter | mr | 4.11 | 2 | 2 | 1 | 14 | 0 | 0 | 0 | 15.1 | 10 | 7 | 7 | 6 | 4 | 2 | 0 | 62 |
| | Snell* | sp | 4.24 | 13 | 7 | 0 | 26 | 26 | 0 | 0 | 155.0 | 125 | 78 | 73 | 63 | 192 | 16 | 8 | 650 |
| n | Velasquez | sp | 4.24 | 8 | 3 | 0 | 20 | 20 | 0 | 0 | 99.2 | 94 | 56 | 47 | 29 | 102 | 20 | 7 | 420 |
| | Sborz | mr | 4.32 | 2 | 3 | 1 | 43 | 0 | 0 | 0 | 58.1 | 69 | 30 | 28 | 19 | 65 | 9 | 8 | 255 |
| f | Skubal* | sp | 4.56 | 7 | 7 | 0 | 24 | 24 | 0 | 0 | 128.1 | 116 | 69 | 65 | 52 | 136 | 25 | 5 | 555 |
| | McCullers Jr. | sp | 5.05 | 8 | 2 | 0 | 18 | 18 | 0 | 0 | 107.0 | 108 | 60 | 60 | 30 | 104 | 14 | 9 | 460 |
| | Kennedy,I | cl | 5.23 | 3 | 2 | 3 | 32 | 0 | 0 | 0 | 43.0 | 41 | 27 | 25 | 12 | 40 | 9 | 2 | 181 |
|   | Total |   | 3.76 | 97 | 65 | 49 | 162 | 162 | 5 | 8 | 1460.2 | 1277 | 656 | 610 | 482 | 1497 | 186 | 105 | 6095 |
| 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% |
| n | Foster | mr | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 6.5 | 0.9 | 7.4 | 10.9 | 0.4 | 12.5 | 33.1 | .661 |
| | Rondon,H | mr | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 1.4 | 7.1 | 9.2 | 1.4 | 6.5 | 30.8 | .654 |
| | Zamora* | mr | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 7.7 | 4.9 | 12.6 | 11.1 | 0.6 | 2.3 | 19.7 | .606 |
| | Guerra,D | mr | 2 | 1 | 0 | 2 | 2 | 0 | 0 | 3 | 0 | 6.6 | 2.6 | 9.5 | 7.4 | 0.3 | 2.9 | 19.7 | .645 |
| | Maton,P | mr | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 4 | 0 | 7.5 | 2.1 | 9.8 | 10.6 | 0.8 | 5.0 | 21.2 | .649 |
| n | Burdi,N | mr | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 5.4 | 3.6 | 9.0 | 10.8 | 0.9 | 3.0 | 29.0 | .592 |
| n | Bedrosian | mr | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 10.7 | 4.2 | 15.4 | 7.4 | 0.5 | 1.8 | 86.3 | .632 |
| | Soria | mr | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 1 | 0 | 6.6 | 2.1 | 9.2 | 10.8 | 0.8 | 5.2 | 18.8 | .644 |
| | Hirano | mr | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6.8 | 3.4 | 10.6 | 9.3 | 0.9 | 2.7 | 21.5 | .615 |
| | Neris | cl | 4 | 2 | 0 | 7 | 5 | 0 | 0 | 1 | 0 | 7.3 | 4.0 | 12.4 | 13.1 | 1.0 | 3.3 | 21.5 | .592 |
| | Mize | sp | 5 | 3 | 0 | 4 | 0 | 1 | 0 | 4 | 0 | 8.6 | 1.6 | 10.4 | 6.6 | 1.3 | 4.2 | 92.6 | .650 |
| | Meisinger | mr | 0 | 1 | 0 | 2 | 4 | 0 | 0 | 1 | 0 | 6.0 | 2.8 | 9.3 | 8.6 | 1.5 | 3.1 | 23.1 | .611 |
| | Heaney* | sp | 3 | 6 | 1 | 6 | 7 | 0 | 0 | 2 | 0 | 7.6 | 2.9 | 10.8 | 10.0 | 1.0 | 3.4 | 104.3 | .628 |
| | Peterson,Da* | sp | 2 | 3 | 1 | 4 | 3 | 0 | 0 | 0 | 0 | 7.8 | 3.7 | 11.8 | 6.9 | 0.9 | 1.9 | 94.1 | .609 |
| | Hunter | mr | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 5.9 | 3.5 | 10.0 | 2.3 | 1.2 | 0.7 | 12.6 | .627 |
| | Snell* | sp | 4 | 1 | 1 | 3 | 14 | 1 | 0 | 5 | 0 | 7.3 | 3.7 | 11.1 | 11.1 | 0.9 | 3.0 | 99.7 | .609 |
| n | Velasquez | sp | 2 | 1 | 1 | 2 | 4 | 0 | 0 | 2 | 0 | 8.5 | 2.6 | 11.3 | 9.2 | 1.8 | 3.5 | 81.1 | .621 |
| | Sborz | mr | 2 | 2 | 0 | 3 | 3 | 0 | 0 | 1 | 0 | 10.6 | 2.9 | 14.0 | 10.0 | 1.4 | 3.4 | 23.1 | .624 |
| f | Skubal* | sp | 10 | 1 | 1 | 4 | 3 | 0 | 0 | 4 | 0 | 8.1 | 3.6 | 12.1 | 9.5 | 1.8 | 2.6 | 87.9 | .606 |
| | McCullers Jr. | sp | 4 | 1 | 0 | 7 | 10 | 0 | 0 | 1 | 0 | 9.1 | 2.5 | 12.2 | 8.7 | 1.2 | 3.5 | 97.1 | .631 |
| | Kennedy,I | cl | 1 | 1 | 0 | 1 | 4 | 1 | 0 | 1 | 0 | 8.6 | 2.5 | 11.3 | 8.4 | 1.9 | 3.3 | 20.8 | .646 |
|   | Total |   | 41 | 28 | 6 | 52 | 68 | 5 | 1 | 34 | 0 | 7.9 | 3.0 | 11.2 | 9.2 | 1.1 | 3.1 |   | .623 |
| Analytical |
 | Name | P | OPS | WHIP | BIP | BABIP | TBW | /BF | TBWH | /BF | RC | RC27 | RCERA | CERA |
| n | Foster | mr | .478 | 0.82 | 51 | .275 | 22 | .278 | 22 | .278 | 4.5 | 2.0 | 1.77 | 1.43 |
| | Rondon,H | mr | .604 | 0.79 | 29 | .207 | 19 | .413 | 19 | .413 | 3.0 | 2.2 | 1.95 | 1.75 |
| | Zamora* | mr | .662 | 1.40 | 105 | .314 | 77 | .421 | 77 | .421 | 18.3 | 3.9 | 3.52 | 3.58 |
| | Guerra,D | mr | .580 | 1.02 | 152 | .257 | 77 | .353 | 79 | .362 | 16.3 | 2.6 | 2.37 | 2.10 |
| | Maton,P | mr | .626 | 1.07 | 157 | .299 | 98 | .386 | 99 | .390 | 22.8 | 3.3 | 2.91 | 2.62 |
| n | Burdi,N | mr | .627 | 1.00 | 25 | .200 | 18 | .429 | 18 | .429 | 4.0 | 3.3 | 3.20 | 1.88 |
| n | Bedrosian | mr | .798 | 1.66 | 57 | .386 | 39 | .464 | 40 | .476 | 10.5 | 5.0 | 4.39 | 5.61 |
| | Soria | mr | .575 | 0.96 | 137 | .263 | 80 | .356 | 83 | .369 | 17.5 | 2.8 | 2.53 | 2.17 |
| | Hirano | mr | .681 | 1.14 | 69 | .275 | 50 | .439 | 51 | .447 | 10.3 | 3.2 | 2.89 | 3.01 |
| | Neris | cl | .671 | 1.26 | 138 | .319 | 111 | .410 | 118 | .435 | 28.7 | 4.1 | 3.70 | 3.71 |
| | Mize | sp | .684 | 1.13 | 415 | .267 | 238 | .422 | 242 | .429 | 57.3 | 3.7 | 3.37 | 3.33 |
| | Meisinger | mr | .648 | 0.98 | 105 | .200 | 72 | .431 | 74 | .443 | 15.2 | 3.2 | 2.95 | 2.60 |
| | Heaney* | sp | .675 | 1.17 | 396 | .285 | 276 | .428 | 282 | .437 | 64.6 | 3.7 | 3.35 | 3.17 |
| | Peterson,Da* | sp | .680 | 1.28 | 429 | .263 | 266 | .429 | 270 | .435 | 63.4 | 3.9 | 3.49 | 3.51 |
| | Hunter | mr | .594 | 1.04 | 49 | .163 | 23 | .371 | 24 | .387 | 5.0 | 2.9 | 2.64 | 2.65 |
| | Snell* | sp | .651 | 1.21 | 376 | .290 | 270 | .415 | 273 | .420 | 64.0 | 3.7 | 3.34 | 3.11 |
| n | Velasquez | sp | .770 | 1.23 | 267 | .277 | 212 | .505 | 214 | .510 | 53.7 | 4.8 | 4.37 | 4.03 |
| | Sborz | mr | .827 | 1.51 | 159 | .377 | 128 | .502 | 131 | .514 | 36.9 | 5.7 | 5.13 | 5.57 |
| f | Skubal* | sp | .742 | 1.31 | 338 | .269 | 266 | .479 | 270 | .486 | 70.5 | 4.9 | 4.45 | 4.25 |
| | McCullers Jr. | sp | .751 | 1.29 | 305 | .308 | 214 | .465 | 221 | .480 | 57.6 | 4.8 | 4.36 | 4.09 |
| | Kennedy,I | cl | .741 | 1.23 | 119 | .269 | 86 | .475 | 87 | .481 | 22.1 | 4.6 | 4.16 | 4.13 |
|   | Total |   | .688 | 1.20 | 3878 | .281 | 2642 | .433 | 2694 | .442 | 643.3 | 3.9 | 3.57 | 3.42 |
| Start |
 | Name | P | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% |
| n | Foster | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 |
| | Rondon,H | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 |
| | Zamora* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 2 | .087 |
| | Guerra,D | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 4 | .444 |
| | Maton,P | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 4 | .190 |
| n | Burdi,N | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 |
| n | Bedrosian | mr | 4 | 0 | .000 | 0 | 0 | .000 | 9 | 2.3 | 3 | 1 | .333 |
| | Soria | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 |
| | Hirano | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 |
| | Neris | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 |
| | Mize | sp | 21 | 1 | .048 | 0 | 15 | .714 | 85 | 4.0 | 9 | 3 | .333 |
| | Meisinger | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 |
| | Heaney* | sp | 24 | 2 | .083 | 0 | 17 | .708 | 111 | 4.6 | 19 | 5 | .263 |
| | Peterson,Da* | sp | 25 | 2 | .080 | 0 | 13 | .520 | 144 | 5.8 | 14 | 5 | .357 |
| | Hunter | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 |
| | Snell* | sp | 26 | 0 | .000 | 0 | 14 | .538 | 145 | 5.6 | 14 | 8 | .571 |
| n | Velasquez | sp | 20 | 0 | .000 | 0 | 8 | .400 | 129 | 6.4 | 14 | 6 | .429 |
| | Sborz | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 4 | .174 |
| f | Skubal* | sp | 24 | 0 | .000 | 0 | 7 | .292 | 106 | 4.4 | 22 | 8 | .364 |
| | McCullers Jr. | sp | 18 | 0 | .000 | 0 | 8 | .444 | 123 | 6.8 | 11 | 1 | .091 |
| | Kennedy,I | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 |
|   | Total |   | 162 | 5 | .031 | 8 | 82 | .506 | 852 | 5.3 | 240 | 63 | .262 |
| Relief |
 | Name | P | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF |
| n | Foster | mr | 0 | 0 | .000 | 0 | .000 | 3 | 4 | 3 | .750 | 9 | 9 | 1 |
| | Rondon,H | mr | 1 | 0 | .000 | 1 | 1.000 | 0 | 3 | 1 | .333 | 6 | 6 | 4 |
| | Zamora* | mr | 6 | 4 | .667 | 1 | .167 | 13 | 20 | 5 | .250 | 39 | 39 | 9 |
| | Guerra,D | mr | 7 | 5 | .714 | 2 | .286 | 6 | 29 | 6 | .207 | 41 | 41 | 22 |
| | Maton,P | mr | 7 | 4 | .571 | 1 | .143 | 8 | 38 | 6 | .158 | 46 | 46 | 17 |
| n | Burdi,N | mr | 3 | 2 | .667 | 1 | .333 | 2 | 2 | 1 | .500 | 6 | 6 | 2 |
| n | Bedrosian | mr | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 |
| | Soria | mr | 14 | 10 | .714 | 1 | .071 | 10 | 29 | 9 | .310 | 46 | 46 | 19 |
| | Hirano | mr | 2 | 1 | .500 | 1 | .500 | 6 | 15 | 0 | .000 | 20 | 20 | 4 |
| | Neris | cl | 21 | 15 | .714 | 6 | .286 | 6 | 27 | 8 | .296 | 53 | 53 | 32 |
| | Mize | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 |
| | Meisinger | mr | 4 | 3 | .750 | 1 | .250 | 1 | 17 | 7 | .412 | 28 | 28 | 12 |
| | Heaney* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 |
| | Peterson,Da* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 |
| | Hunter | mr | 3 | 1 | .333 | 2 | .667 | 3 | 6 | 1 | .167 | 14 | 14 | 5 |
| | Snell* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 |
| n | Velasquez | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 |
| | Sborz | mr | 2 | 1 | .500 | 1 | .500 | 5 | 26 | 8 | .308 | 43 | 43 | 17 |
| f | Skubal* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 |
| | McCullers Jr. | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 |
| | Kennedy,I | cl | 7 | 3 | .429 | 4 | .571 | 4 | 24 | 8 | .333 | 32 | 32 | 13 |
|   | Total |   | 77 | 49 | .636 | 22 | .286 | 67 | 240 | 63 | .262 | 162 | 383 | 157 |