| SP | Strasburg, S.Strasburg, Stephen >> | 30 | 2019 | R | 96 | 37 | 37 | 16 | 13 | 3.33 | .285 | 1.16 | 8.0 | 2.5 | 11.4 | 240.1 | 212 | 90 | 89 | 29 | 67 | 304 | 2 | 0 | 0 | 0 | 25 | 8 | 4 | 2.98 |
| SP | Voth, A.Voth, Austin + >> | 27 | 2019 | R | 91 | 35 | 35 | 7 | 15 | 3.67 | .303 | 1.26 | 8.5 | 2.9 | 10.5 | 181.1 | 170 | 75 | 74 | 25 | 58 | 211 | 0 | 0 | 0 | 0 | 8 | 9 | 0 | 3.57 |
| SP | Minor, M.Minor, Mike # >> | 31 | 2019 | L | 70 | 33 | 33 | 14 | 12 | 4.28 | .300 | 1.25 | 8.9 | 2.3 | 9.5 | 208.0 | 206 | 101 | 99 | 29 | 53 | 220 | 1 | 0 | 0 | 1 | 19 | 9 | 0 | 3.59 |
| SP | Lyles, J.Lyles, Jordan >> | 28 | 2019 | R | 62 | 32 | 32 | 6 | 19 | 5.66 | .346 | 1.56 | 9.8 | 4.2 | 8.8 | 154.1 | 168 | 101 | 97 | 23 | 72 | 150 | 0 | 0 | 0 | 0 | 8 | 5 | 9 | 4.49 |
| SP | Lopez, R.Lopez, Reynaldo >> | 25 | 2019 | R | 31 | 27 | 25 | 6 | 12 | 6.39 | .341 | 1.52 | 10.1 | 3.6 | 8.8 | 129.2 | 145 | 94 | 92 | 19 | 52 | 126 | 0 | 0 | 0 | 0 | 8 | 4 | 4 | 4.26 |
| CL | Rivero, F.Rivero, Felipe >> | 27 | 2019 | L | 98 | 51 | 0 | 0 | 3 | 2.53 | .298 | 1.21 | 7.4 | 3.5 | 12.7 | 46.1 | 38 | 16 | 13 | 1 | 18 | 65 | 0 | 31 | 6 | 0 | 0 | 3 | 3 | 1.83 |
| SU | Adams, A.Adams, Austin # + >> | 28 | 2019 | R | 94 | 79 | 0 | 1 | 4 | 4.92 | .340 | 1.47 | 7.6 | 5.7 | 12.7 | 71.1 | 60 | 40 | 39 | 11 | 45 | 100 | 0 | 1 | 5 | 0 | 0 | 5 | 5 | 4.31 |
| RP | Cordero, J.Cordero, Jimmy + >> | 27 | 2019 | R | 89 | 93 | 0 | 9 | 3 | 3.80 | .311 | 1.31 | 8.0 | 3.8 | 9.2 | 118.1 | 105 | 57 | 50 | 11 | 50 | 120 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 3.58 |
| RP | Rainey, T.Rainey, Tanner # + >> | 26 | 2019 | R | 68 | 68 | 0 | 5 | 4 | 4.99 | .343 | 1.54 | 7.7 | 6.2 | 10.5 | 74.0 | 63 | 45 | 41 | 9 | 51 | 86 | 0 | 1 | 1 | 0 | 0 | 2 | 5 | 4.41 |
| RP | Stammen, C.Stammen, Craig >> | 35 | 2019 | R | 66 | 52 | 0 | 2 | 1 | 3.26 | .315 | 1.36 | 10.2 | 2.0 | 9.0 | 58.0 | 66 | 21 | 21 | 7 | 13 | 58 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3.29 |