Team pitching -- 2021 Oakland Athletics
Regular season -- as of 9/28/2021
| Primary |
 | Name | P | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP | BF |
| | Ottavino | mr | 1.46 | 3 | 0 | 1 | 47 | 0 | 0 | 0 | 55.2 | 28 | 11 | 9 | 23 | 85 | 2 | 3 | 217 |
| | Cishek | mr | 2.15 | 4 | 3 | 1 | 37 | 0 | 0 | 0 | 50.1 | 34 | 13 | 12 | 26 | 62 | 5 | 0 | 213 |
| | Hand* | cl | 2.47 | 5 | 1 | 4 | 45 | 0 | 0 | 0 | 58.1 | 44 | 17 | 16 | 9 | 76 | 10 | 5 | 228 |
| | Cole,G | sp | 2.87 | 20 | 4 | 0 | 32 | 32 | 7 | 4 | 235.0 | 166 | 76 | 75 | 58 | 321 | 29 | 13 | 918 |
| | Scott,Tan* | mr | 3.06 | 5 | 3 | 2 | 51 | 0 | 0 | 0 | 64.2 | 50 | 23 | 22 | 35 | 81 | 2 | 9 | 275 |
| | Guerra,Ju | mr | 3.16 | 2 | 0 | 2 | 39 | 0 | 0 | 0 | 62.2 | 56 | 25 | 22 | 17 | 60 | 7 | 5 | 255 |
| | Wainwright | sp | 3.38 | 10 | 8 | 0 | 22 | 22 | 1 | 1 | 128.0 | 120 | 54 | 48 | 43 | 101 | 18 | 13 | 538 |
| | Coonrod | mr | 3.80 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 21.1 | 15 | 9 | 9 | 8 | 20 | 1 | 4 | 81 |
| | Cotton | sp | 4.04 | 5 | 3 | 0 | 12 | 12 | 0 | 0 | 64.2 | 58 | 30 | 29 | 26 | 56 | 10 | 8 | 273 |
| | Diaz,Ed | cl | 4.43 | 6 | 5 | 29 | 53 | 0 | 0 | 0 | 61.0 | 44 | 30 | 30 | 22 | 89 | 10 | 2 | 253 |
| | Crick | mr | 4.57 | 0 | 2 | 0 | 28 | 0 | 0 | 0 | 41.1 | 30 | 21 | 21 | 30 | 46 | 7 | 5 | 181 |
| | Brach | mr | 4.66 | 2 | 4 | 0 | 35 | 0 | 0 | 0 | 48.1 | 47 | 29 | 25 | 16 | 61 | 11 | 1 | 208 |
| f | Hamels* | sp | 4.81 | 8 | 10 | 0 | 26 | 26 | 1 | 0 | 155.1 | 150 | 89 | 83 | 56 | 127 | 24 | 11 | 662 |
| | Quantrill | sp | 4.86 | 12 | 9 | 0 | 25 | 25 | 0 | 0 | 139.0 | 144 | 78 | 75 | 55 | 120 | 16 | 11 | 611 |
| | Vincent | mr | 4.89 | 0 | 1 | 1 | 31 | 0 | 0 | 0 | 46.0 | 49 | 25 | 25 | 6 | 37 | 7 | 3 | 190 |
| | Walker,T | sp | 5.50 | 5 | 6 | 0 | 17 | 17 | 0 | 0 | 93.1 | 103 | 61 | 57 | 31 | 89 | 17 | 8 | 410 |
| | Abreu,B | sp | 5.86 | 4 | 4 | 0 | 17 | 17 | 0 | 0 | 83.0 | 79 | 55 | 54 | 55 | 101 | 12 | 3 | 386 |
| f | Eickhoff | sp | 9.40 | 0 | 8 | 0 | 11 | 11 | 0 | 0 | 45.0 | 70 | 49 | 47 | 22 | 31 | 11 | 2 | 224 |
|   | Total |   | 4.08 | 91 | 71 | 41 | 162 | 162 | 9 | 11 | 1453.0 | 1287 | 695 | 659 | 538 | 1563 | 199 | 106 | 6123 |
| 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% |
| | Ottavino | mr | 4 | 0 | 0 | 2 | 4 | 1 | 0 | 3 | 0 | 4.5 | 3.7 | 8.6 | 13.7 | 0.3 | 3.7 | 20.1 | .597 |
| | Cishek | mr | 2 | 0 | 0 | 3 | 2 | 1 | 0 | 1 | 0 | 6.1 | 4.6 | 11.3 | 11.1 | 0.9 | 2.4 | 24.5 | .587 |
| | Hand* | cl | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 6.8 | 1.4 | 8.6 | 11.7 | 1.5 | 8.4 | 19.6 | .669 |
| | Cole,G | sp | 20 | 6 | 0 | 8 | 5 | 0 | 0 | 2 | 0 | 6.4 | 2.2 | 8.9 | 12.3 | 1.1 | 5.5 | 112.9 | .656 |
| | Scott,Tan* | mr | 3 | 2 | 0 | 4 | 9 | 0 | 0 | 1 | 0 | 7.0 | 4.9 | 12.4 | 11.3 | 0.3 | 2.3 | 22.5 | .573 |
| | Guerra,Ju | mr | 2 | 2 | 0 | 2 | 3 | 0 | 0 | 2 | 0 | 8.0 | 2.4 | 10.8 | 8.6 | 1.0 | 3.5 | 24.9 | .623 |
| | Wainwright | sp | 3 | 1 | 0 | 7 | 2 | 0 | 0 | 1 | 0 | 8.4 | 3.0 | 12.0 | 7.1 | 1.3 | 2.3 | 94.8 | .622 |
| | Coonrod | mr | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6.3 | 3.4 | 9.7 | 8.4 | 0.4 | 2.5 | 18.8 | .607 |
| | Cotton | sp | 5 | 2 | 0 | 3 | 4 | 0 | 0 | 5 | 0 | 8.1 | 3.6 | 12.1 | 7.8 | 1.4 | 2.2 | 86.1 | .612 |
| | Diaz,Ed | cl | 4 | 0 | 1 | 6 | 5 | 1 | 2 | 0 | 0 | 6.5 | 3.2 | 10.6 | 13.1 | 1.5 | 4.0 | 19.7 | .631 |
| | Crick | mr | 3 | 2 | 0 | 4 | 4 | 0 | 0 | 1 | 0 | 6.5 | 6.5 | 13.9 | 10.0 | 1.5 | 1.5 | 27.0 | .574 |
| | Brach | mr | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 3 | 0 | 8.8 | 3.0 | 12.1 | 11.4 | 2.0 | 3.8 | 23.8 | .629 |
| f | Hamels* | sp | 9 | 3 | 0 | 5 | 3 | 0 | 0 | 3 | 0 | 8.7 | 3.2 | 12.2 | 7.4 | 1.4 | 2.3 | 99.0 | .617 |
| | Quantrill | sp | 4 | 4 | 0 | 10 | 10 | 0 | 0 | 4 | 0 | 9.3 | 3.6 | 13.5 | 7.8 | 1.0 | 2.2 | 94.7 | .609 |
| | Vincent | mr | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 9.6 | 1.2 | 10.8 | 7.2 | 1.4 | 6.2 | 22.0 | .686 |
| | Walker,T | sp | 6 | 2 | 0 | 5 | 3 | 0 | 0 | 1 | 0 | 9.9 | 3.0 | 13.4 | 8.6 | 1.6 | 2.9 | 93.4 | .627 |
| | Abreu,B | sp | 1 | 0 | 0 | 6 | 11 | 0 | 0 | 1 | 0 | 8.6 | 6.0 | 15.2 | 11.0 | 1.3 | 1.8 | 94.8 | .562 |
| f | Eickhoff | sp | 9 | 2 | 0 | 2 | 1 | 0 | 0 | 3 | 0 | 14.0 | 4.4 | 18.8 | 6.2 | 2.2 | 1.4 | 77.7 | .613 |
|   | Total |   | 81 | 30 | 2 | 72 | 69 | 3 | 2 | 33 | 0 | 8.0 | 3.3 | 11.8 | 9.7 | 1.2 | 2.9 |   | .619 |
| Analytical |
 | Name | P | OPS | WHIP | BIP | BABIP | TBW | /BF | TBWH | /BF | RC | RC27 | RCERA | CERA |
| | Ottavino | mr | .466 | 0.92 | 105 | .248 | 65 | .300 | 67 | .309 | 12.0 | 1.9 | 1.75 | 1.49 |
| | Cishek | mr | .607 | 1.19 | 117 | .248 | 83 | .390 | 86 | .404 | 19.6 | 3.5 | 3.15 | 2.95 |
| | Hand* | cl | .622 | 0.91 | 130 | .262 | 90 | .395 | 93 | .408 | 19.0 | 2.9 | 2.64 | 2.46 |
| | Cole,G | sp | .616 | 0.95 | 502 | .273 | 367 | .400 | 375 | .408 | 78.3 | 3.0 | 2.70 | 2.28 |
| | Scott,Tan* | mr | .622 | 1.31 | 153 | .314 | 105 | .382 | 109 | .396 | 23.3 | 3.2 | 2.92 | 3.16 |
| | Guerra,Ju | mr | .692 | 1.16 | 169 | .290 | 110 | .431 | 112 | .439 | 26.7 | 3.9 | 3.45 | 3.25 |
| | Wainwright | sp | .725 | 1.27 | 369 | .276 | 242 | .450 | 249 | .463 | 62.1 | 4.4 | 3.93 | 4.02 |
| | Coonrod | mr | .599 | 1.08 | 52 | .269 | 31 | .383 | 31 | .383 | 5.3 | 2.2 | 2.00 | 2.28 |
| | Cotton | sp | .766 | 1.30 | 178 | .270 | 133 | .487 | 136 | .498 | 33.8 | 4.7 | 4.23 | 4.12 |
| | Diaz,Ed | cl | .655 | 1.08 | 126 | .270 | 104 | .411 | 110 | .435 | 25.5 | 3.8 | 3.39 | 3.16 |
| | Crick | mr | .751 | 1.45 | 94 | .245 | 88 | .486 | 92 | .508 | 21.7 | 4.7 | 4.25 | 4.80 |
| | Brach | mr | .794 | 1.30 | 118 | .305 | 106 | .510 | 108 | .519 | 29.0 | 5.4 | 4.86 | 4.65 |
| f | Hamels* | sp | .772 | 1.33 | 450 | .280 | 327 | .494 | 332 | .502 | 87.2 | 5.1 | 4.55 | 4.25 |
| | Quantrill | sp | .759 | 1.43 | 410 | .312 | 281 | .460 | 291 | .476 | 78.4 | 5.1 | 4.57 | 4.67 |
| | Vincent | mr | .748 | 1.20 | 140 | .300 | 90 | .474 | 90 | .474 | 24.0 | 4.7 | 4.22 | 3.70 |
| | Walker,T | sp | .811 | 1.44 | 268 | .321 | 207 | .505 | 212 | .517 | 59.5 | 5.7 | 5.16 | 5.22 |
| | Abreu,B | sp | .813 | 1.61 | 212 | .316 | 201 | .521 | 207 | .536 | 57.8 | 6.3 | 5.64 | 5.41 |
| f | Eickhoff | sp | 1.029 | 2.04 | 158 | .373 | 142 | .634 | 144 | .643 | 53.2 | 10.7 | 9.58 | 9.39 |
|   | Total |   | .718 | 1.26 | 3751 | .290 | 2772 | .453 | 2844 | .464 | 705.3 | 4.4 | 3.93 | 3.78 |
| Start |
 | Name | P | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% |
| | Ottavino | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 0 | .000 |
| | Cishek | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 |
| | Hand* | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 3 | .167 |
| | Cole,G | sp | 32 | 7 | .219 | 4 | 21 | .656 | 155 | 4.8 | 12 | 6 | .500 |
| | Scott,Tan* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 8 | .364 |
| | Guerra,Ju | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 |
| | Wainwright | sp | 22 | 1 | .045 | 1 | 11 | .500 | 97 | 4.4 | 15 | 7 | .467 |
| | Coonrod | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 4 | 1.000 |
| | Cotton | sp | 12 | 0 | .000 | 0 | 4 | .333 | 47 | 3.9 | 6 | 0 | .000 |
| | Diaz,Ed | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 |
| | Crick | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 |
| | Brach | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 |
| f | Hamels* | sp | 26 | 1 | .038 | 0 | 10 | .385 | 124 | 4.8 | 12 | 3 | .250 |
| | Quantrill | sp | 25 | 0 | .000 | 0 | 6 | .240 | 129 | 5.2 | 19 | 8 | .421 |
| | Vincent | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 |
| | Walker,T | sp | 17 | 0 | .000 | 0 | 6 | .353 | 78 | 4.6 | 8 | 2 | .250 |
| | Abreu,B | sp | 17 | 0 | .000 | 0 | 2 | .118 | 109 | 6.4 | 15 | 3 | .200 |
| f | Eickhoff | sp | 11 | 0 | .000 | 0 | 0 | .000 | 32 | 2.9 | 10 | 3 | .300 |
|   | Total |   | 162 | 9 | .056 | 11 | 60 | .370 | 771 | 4.8 | 194 | 58 | .299 |
| Relief |
 | Name | P | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF |
| | Ottavino | mr | 3 | 1 | .333 | 2 | .667 | 16 | 26 | 7 | .269 | 47 | 47 | 13 |
| | Cishek | mr | 3 | 1 | .333 | 2 | .667 | 7 | 26 | 11 | .423 | 37 | 37 | 10 |
| | Hand* | cl | 6 | 4 | .667 | 1 | .167 | 15 | 22 | 6 | .273 | 45 | 45 | 7 |
| | Cole,G | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 |
| | Scott,Tan* | mr | 2 | 2 | 1.000 | 0 | .000 | 11 | 15 | 5 | .333 | 51 | 51 | 19 |
| | Guerra,Ju | mr | 2 | 2 | 1.000 | 0 | .000 | 5 | 22 | 4 | .182 | 39 | 39 | 15 |
| | Wainwright | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 |
| | Coonrod | mr | 1 | 1 | 1.000 | 0 | .000 | 0 | 4 | 1 | .250 | 16 | 16 | 9 |
| | Cotton | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 |
| | Diaz,Ed | cl | 35 | 29 | .829 | 6 | .171 | 0 | 25 | 8 | .320 | 53 | 53 | 46 |
| | Crick | mr | 2 | 0 | .000 | 2 | 1.000 | 7 | 9 | 6 | .667 | 28 | 28 | 9 |
| | Brach | mr | 2 | 0 | .000 | 1 | .500 | 9 | 21 | 6 | .286 | 35 | 35 | 13 |
| f | Hamels* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 |
| | Quantrill | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 |
| | Vincent | mr | 2 | 1 | .500 | 1 | .500 | 2 | 24 | 4 | .167 | 31 | 31 | 12 |
| | Walker,T | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 |
| | Abreu,B | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 |
| f | Eickhoff | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 |
|   | Total |   | 58 | 41 | .707 | 15 | .259 | 72 | 194 | 58 | .299 | 162 | 382 | 153 |