Team pitching -- 2019 Seattle Mariners
Regular season -- as of 9/24/2019
| Primary |
 | Name | P | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP | BF |
| | O'Day | mr | 0.00 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 7.1 | 3 | 0 | 0 | 0 | 9 | 0 | 0 | 25 |
| | Herrera,K | cl | 1.05 | 2 | 0 | 0 | 37 | 0 | 0 | 0 | 42.2 | 39 | 5 | 5 | 6 | 24 | 1 | 11 | 164 |
| | Rogers,T* | mr | 1.52 | 10 | 0 | 3 | 65 | 0 | 0 | 0 | 65.1 | 44 | 11 | 11 | 6 | 73 | 4 | 4 | 245 |
| | Johnson,P | mr | 2.06 | 3 | 1 | 0 | 18 | 0 | 0 | 0 | 35.0 | 26 | 9 | 8 | 13 | 31 | 2 | 2 | 144 |
| | Betances | mr | 2.52 | 4 | 5 | 34 | 64 | 0 | 0 | 0 | 71.1 | 43 | 22 | 20 | 25 | 124 | 6 | 0 | 288 |
| | Wittgren | mr | 2.65 | 2 | 1 | 3 | 24 | 0 | 0 | 0 | 34.0 | 17 | 10 | 10 | 11 | 38 | 1 | 3 | 128 |
| | Baez,P | mr | 2.86 | 3 | 4 | 5 | 54 | 0 | 0 | 0 | 56.2 | 52 | 19 | 18 | 26 | 59 | 4 | 3 | 245 |
| | Paxton* | sp | 3.57 | 10 | 6 | 0 | 30 | 30 | 1 | 0 | 184.0 | 158 | 74 | 73 | 55 | 228 | 19 | 15 | 753 |
| | Borucki* | sp | 3.66 | 5 | 1 | 0 | 11 | 11 | 0 | 0 | 64.0 | 66 | 28 | 26 | 25 | 39 | 5 | 6 | 281 |
| | Gonzales* | sp | 3.90 | 8 | 13 | 0 | 30 | 30 | 2 | 0 | 191.2 | 200 | 89 | 83 | 48 | 153 | 21 | 31 | 806 |
| | Kintzler | mr | 4.30 | 2 | 1 | 1 | 50 | 0 | 0 | 0 | 60.2 | 60 | 32 | 29 | 18 | 36 | 7 | 8 | 259 |
| | Happ,JA* | sp | 4.44 | 13 | 7 | 0 | 31 | 31 | 0 | 0 | 186.1 | 159 | 97 | 92 | 55 | 205 | 37 | 12 | 776 |
| | Clippard | mr | 4.46 | 10 | 7 | 1 | 67 | 0 | 0 | 0 | 74.2 | 60 | 39 | 37 | 26 | 97 | 14 | 4 | 313 |
| f | Walker,T | sp | 5.14 | 2 | 1 | 0 | 7 | 7 | 0 | 0 | 35.0 | 38 | 22 | 20 | 19 | 26 | 2 | 2 | 162 |
| | Odorizzi | sp | 5.26 | 8 | 12 | 0 | 32 | 32 | 0 | 0 | 174.2 | 187 | 104 | 102 | 68 | 177 | 27 | 7 | 783 |
| | Bummer* | mr | 5.56 | 2 | 4 | 1 | 41 | 0 | 0 | 0 | 34.0 | 50 | 23 | 21 | 20 | 37 | 0 | 4 | 169 |
| | Jackson,E | sp | 6.27 | 4 | 10 | 0 | 20 | 20 | 0 | 0 | 112.0 | 133 | 91 | 78 | 48 | 76 | 21 | 5 | 517 |
| | Pomeranz* | mr | 6.30 | 0 | 1 | 0 | 12 | 1 | 0 | 0 | 20.0 | 22 | 14 | 14 | 15 | 17 | 5 | 3 | 95 |
| | Smith,Dr | mr | 11.57 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.1 | 7 | 3 | 3 | 0 | 1 | 0 | 1 | 13 |
|   | Total |   | 4.03 | 88 | 74 | 48 | 162 | 162 | 3 | 11 | 1451.2 | 1364 | 692 | 650 | 484 | 1450 | 176 | 121 | 6166 |
| 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% |
| | O'Day | mr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.7 | 0.0 | 3.7 | 11.0 | 0.0 | 99.0 | 14.0 | .735 |
| | Herrera,K | cl | 1 | 0 | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 8.2 | 1.3 | 9.9 | 5.1 | 0.2 | 4.0 | 15.3 | .688 |
| | Rogers,T* | mr | 2 | 0 | 0 | 4 | 0 | 0 | 1 | 0 | 0 | 6.1 | 0.8 | 7.4 | 10.1 | 0.6 | 12.2 | 14.2 | .678 |
| | Johnson,P | mr | 0 | 0 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 6.7 | 3.3 | 10.3 | 8.0 | 0.5 | 2.4 | 30.8 | .609 |
| | Betances | mr | 1 | 2 | 0 | 5 | 2 | 1 | 2 | 1 | 0 | 5.4 | 3.2 | 9.2 | 15.6 | 0.8 | 5.0 | 18.4 | .625 |
| | Wittgren | mr | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 4.5 | 2.9 | 7.4 | 10.1 | 0.3 | 3.5 | 20.1 | .638 |
| | Baez,P | mr | 4 | 0 | 1 | 0 | 2 | 1 | 0 | 3 | 0 | 8.3 | 4.1 | 12.4 | 9.4 | 0.6 | 2.3 | 17.6 | .616 |
| | Paxton* | sp | 3 | 2 | 1 | 4 | 5 | 0 | 2 | 3 | 1 | 7.7 | 2.7 | 10.6 | 11.2 | 0.9 | 4.1 | 97.0 | .653 |
| | Borucki* | sp | 4 | 0 | 1 | 1 | 4 | 0 | 0 | 0 | 0 | 9.3 | 3.5 | 12.9 | 5.5 | 0.7 | 1.6 | 95.5 | .598 |
| | Gonzales* | sp | 13 | 1 | 4 | 7 | 2 | 0 | 2 | 6 | 0 | 9.4 | 2.3 | 12.0 | 7.2 | 1.0 | 3.2 | 95.2 | .652 |
| | Kintzler | mr | 0 | 2 | 2 | 8 | 1 | 0 | 0 | 7 | 0 | 8.9 | 2.7 | 12.8 | 5.3 | 1.0 | 2.0 | 18.2 | .660 |
| | Happ,JA* | sp | 10 | 1 | 1 | 10 | 8 | 0 | 0 | 4 | 0 | 7.7 | 2.7 | 10.8 | 9.9 | 1.8 | 3.7 | 94.4 | .646 |
| | Clippard | mr | 5 | 1 | 2 | 6 | 8 | 0 | 1 | 5 | 0 | 7.2 | 3.1 | 11.1 | 11.7 | 1.7 | 3.7 | 18.7 | .605 |
| f | Walker,T | sp | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 2 | 0 | 9.8 | 4.9 | 14.9 | 6.7 | 0.5 | 1.4 | 88.4 | .591 |
| | Odorizzi | sp | 14 | 3 | 3 | 13 | 0 | 0 | 3 | 10 | 0 | 9.6 | 3.5 | 13.8 | 9.1 | 1.4 | 2.6 | 94.9 | .605 |
| | Bummer* | mr | 1 | 0 | 3 | 2 | 7 | 0 | 0 | 0 | 0 | 13.2 | 5.3 | 19.1 | 9.8 | 0.0 | 1.9 | 15.7 | .617 |
| | Jackson,E | sp | 3 | 1 | 0 | 2 | 9 | 0 | 1 | 5 | 0 | 10.7 | 3.9 | 14.7 | 6.1 | 1.7 | 1.6 | 95.3 | .612 |
| | Pomeranz* | mr | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 9.9 | 6.8 | 17.1 | 7.6 | 2.3 | 1.1 | 32.1 | .551 |
| | Smith,Dr | mr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27.0 | 0.0 | 27.0 | 3.9 | 0.0 | 99.0 | 23.0 | .609 |
|   | Total |   | 61 | 13 | 21 | 67 | 56 | 4 | 15 | 48 | 1 | 8.5 | 3.0 | 11.9 | 9.0 | 1.1 | 3.0 |   | .631 |
| Analytical |
 | Name | P | OPS | WHIP | BIP | BABIP | TBW | /BF | TBWH | /BF | RC | RC27 | RCERA | CERA |
| | O'Day | mr | .280 | 0.41 | 16 | .188 | 4 | .160 | 4 | .160 | 0.5 | 0.6 | 0.53 | 0.37 |
| | Herrera,K | cl | .592 | 1.05 | 131 | .290 | 53 | .323 | 55 | .335 | 11.0 | 2.3 | 2.09 | 2.49 |
| | Rogers,T* | mr | .482 | 0.77 | 158 | .253 | 67 | .273 | 71 | .290 | 13.3 | 1.8 | 1.65 | 1.47 |
| | Johnson,P | mr | .586 | 1.11 | 97 | .247 | 52 | .361 | 53 | .368 | 11.4 | 2.9 | 2.64 | 2.34 |
| | Betances | mr | .538 | 0.95 | 128 | .289 | 97 | .337 | 102 | .354 | 20.2 | 2.5 | 2.29 | 1.98 |
| | Wittgren | mr | .417 | 0.82 | 78 | .205 | 34 | .266 | 34 | .266 | 5.2 | 1.4 | 1.23 | 1.20 |
| | Baez,P | mr | .670 | 1.38 | 156 | .308 | 102 | .416 | 102 | .416 | 26.4 | 4.2 | 3.77 | 3.58 |
| | Paxton* | sp | .654 | 1.16 | 447 | .311 | 306 | .406 | 310 | .412 | 71.9 | 3.5 | 3.16 | 3.04 |
| | Borucki* | sp | .727 | 1.42 | 211 | .289 | 127 | .452 | 128 | .456 | 33.8 | 4.7 | 4.28 | 4.04 |
| | Gonzales* | sp | .738 | 1.29 | 577 | .310 | 361 | .448 | 368 | .457 | 93.3 | 4.3 | 3.94 | 3.95 |
| | Kintzler | mr | .744 | 1.29 | 190 | .279 | 111 | .429 | 119 | .459 | 30.2 | 4.5 | 4.03 | 4.25 |
| | Happ,JA* | sp | .719 | 1.15 | 469 | .260 | 359 | .463 | 369 | .476 | 89.2 | 4.3 | 3.88 | 3.68 |
| | Clippard | mr | .720 | 1.15 | 170 | .271 | 143 | .457 | 149 | .476 | 36.3 | 4.3 | 3.94 | 3.62 |
| f | Walker,T | sp | .687 | 1.63 | 114 | .316 | 65 | .401 | 66 | .407 | 18.0 | 4.6 | 4.16 | 4.78 |
| | Odorizzi | sp | .837 | 1.46 | 498 | .321 | 408 | .521 | 421 | .538 | 123.3 | 6.3 | 5.72 | 5.06 |
| | Bummer* | mr | .814 | 2.06 | 110 | .455 | 77 | .456 | 79 | .467 | 25.1 | 6.7 | 5.99 | 6.94 |
| | Jackson,E | sp | .871 | 1.62 | 370 | .303 | 286 | .553 | 288 | .557 | 87.5 | 7.0 | 6.33 | 5.92 |
| | Pomeranz* | mr | .977 | 1.85 | 57 | .298 | 60 | .632 | 61 | .642 | 18.3 | 8.2 | 7.41 | 7.67 |
| | Smith,Dr | mr | 1.077 | 3.00 | 12 | .583 | 7 | .538 | 7 | .538 | 3.2 | 12.5 | 11.22 | 15.68 |
|   | Total |   | .714 | 1.27 | 3989 | .298 | 2719 | .441 | 2786 | .452 | 704.1 | 4.3 | 3.93 | 3.77 |
| Start |
 | Name | P | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% |
| | O'Day | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 |
| | Herrera,K | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 1 | .091 |
| | Rogers,T* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 1 | .063 |
| | Johnson,P | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 |
| | Betances | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 5 | .455 |
| | Wittgren | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 4 | .444 |
| | Baez,P | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 4 | .154 |
| | Paxton* | sp | 30 | 1 | .033 | 0 | 17 | .567 | 143 | 4.8 | 18 | 8 | .444 |
| | Borucki* | sp | 11 | 0 | .000 | 0 | 5 | .455 | 66 | 6.0 | 8 | 0 | .000 |
| | Gonzales* | sp | 30 | 2 | .067 | 0 | 16 | .533 | 136 | 4.5 | 14 | 3 | .214 |
| | Kintzler | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 5 | .263 |
| | Happ,JA* | sp | 31 | 0 | .000 | 0 | 13 | .419 | 178 | 5.7 | 17 | 6 | .353 |
| | Clippard | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 7 | .250 |
| f | Walker,T | sp | 7 | 0 | .000 | 0 | 2 | .286 | 38 | 5.4 | 8 | 2 | .250 |
| | Odorizzi | sp | 32 | 0 | .000 | 0 | 13 | .406 | 151 | 4.7 | 22 | 2 | .091 |
| | Bummer* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 27 | 6 | .222 |
| | Jackson,E | sp | 20 | 0 | .000 | 0 | 7 | .350 | 94 | 4.7 | 15 | 6 | .400 |
| | Pomeranz* | mr | 1 | 0 | .000 | 0 | 0 | .000 | 5 | 5.0 | 2 | 1 | .500 |
| | Smith,Dr | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 |
|   | Total |   | 162 | 3 | .019 | 11 | 73 | .451 | 811 | 5.0 | 260 | 61 | .235 |
| Relief |
 | Name | P | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF |
| | O'Day | mr | 0 | 0 | .000 | 0 | .000 | 4 | 0 | 0 | .000 | 7 | 7 | 1 |
| | Herrera,K | cl | 1 | 0 | .000 | 1 | 1.000 | 8 | 17 | 3 | .176 | 37 | 37 | 11 |
| | Rogers,T* | mr | 6 | 3 | .500 | 1 | .167 | 18 | 34 | 6 | .176 | 65 | 65 | 18 |
| | Johnson,P | mr | 0 | 0 | .000 | 0 | .000 | 4 | 13 | 1 | .077 | 18 | 18 | 5 |
| | Betances | mr | 43 | 34 | .791 | 9 | .209 | 3 | 23 | 5 | .217 | 64 | 64 | 54 |
| | Wittgren | mr | 3 | 3 | 1.000 | 0 | .000 | 5 | 15 | 2 | .133 | 24 | 24 | 10 |
| | Baez,P | mr | 10 | 5 | .500 | 3 | .300 | 14 | 35 | 8 | .229 | 54 | 54 | 11 |
| | Paxton* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 |
| | Borucki* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 |
| | Gonzales* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 |
| | Kintzler | mr | 3 | 1 | .333 | 0 | .000 | 11 | 39 | 9 | .231 | 50 | 50 | 17 |
| | Happ,JA* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 |
| | Clippard | mr | 8 | 1 | .125 | 7 | .875 | 14 | 46 | 13 | .283 | 67 | 67 | 11 |
| f | Walker,T | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 |
| | Odorizzi | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 |
| | Bummer* | mr | 4 | 1 | .250 | 2 | .500 | 6 | 32 | 11 | .344 | 41 | 41 | 13 |
| | Jackson,E | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 |
| | Pomeranz* | mr | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 3 | .500 | 12 | 11 | 6 |
| | Smith,Dr | mr | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 2 | 2 |
|   | Total |   | 78 | 48 | .615 | 23 | .295 | 87 | 260 | 61 | .235 | 162 | 440 | 159 |