| SP | Strasburg, S.Strasburg, Stephen >> | 30 | 2019 | R | 96 | 37 | 37 | 20 | 9 | 4.74 | .311 | 1.32 | 9.2 | 2.8 | 10.3 | 235.1 | 239 | 130 | 124 | 44 | 72 | 270 | 0 | 0 | 0 | 0 | 17 | 7 | 6 | 4.14 |
| SP | Kershaw, C.Kershaw, Clayton >> | 31 | 2019 | L | 93 | 37 | 37 | 14 | 10 | 3.35 | .278 | 1.11 | 7.3 | 2.7 | 10.5 | 242.0 | 197 | 98 | 90 | 31 | 72 | 281 | 0 | 0 | 0 | 0 | 25 | 10 | 7 | 3.36 |
| SP | Civale, A.Civale, Aaron >> | 24 | 2019 | R | 87 | 35 | 35 | 16 | 9 | 5.07 | .309 | 1.29 | 8.8 | 2.9 | 8.5 | 209.2 | 204 | 123 | 118 | 35 | 67 | 197 | 0 | 0 | 0 | 0 | 15 | 10 | 7 | 4.40 |
| RP | Martinez, C.Martinez, Carlos >> | 28 | 2019 | R | 69 | 99 | 0 | 3 | 2 | 4.78 | .326 | 1.42 | 8.9 | 4.0 | 10.4 | 118.2 | 117 | 68 | 63 | 23 | 52 | 137 | 0 | 2 | 5 | 0 | 0 | 3 | 1 | 4.61 |
| RP | Feliz, M.Feliz, Michael >> | 26 | 2019 | R | 67 | 85 | 0 | 7 | 6 | 5.20 | .342 | 1.52 | 8.2 | 5.6 | 8.9 | 98.2 | 89 | 60 | 57 | 13 | 61 | 97 | 0 | 1 | 2 | 0 | 0 | 4 | 0 | 4.73 |
| RP | Miller, A.Miller, Andrew >> | 34 | 2019 | L | 51 | 92 | 0 | 4 | 6 | 3.89 | .312 | 1.32 | 8.2 | 3.8 | 10.9 | 108.2 | 98 | 52 | 47 | 21 | 45 | 131 | 0 | 1 | 2 | 0 | 0 | 5 | 8 | 4.49 |
| CL | Osuna, R.Osuna, Roberto >> | 24 | 2019 | R | 92 | 93 | 0 | 6 | 8 | 3.14 | .245 | 0.94 | 6.9 | 1.5 | 9.5 | 109.0 | 84 | 40 | 38 | 15 | 18 | 115 | 0 | 41 | 2 | 0 | 0 | 4 | 1 | 3.28 |
| SU | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 99 | 93 | 0 | 4 | 6 | 4.56 | .326 | 1.38 | 10.2 | 2.3 | 11.7 | 100.2 | 113 | 55 | 51 | 18 | 26 | 130 | 0 | 4 | 8 | 0 | 0 | 7 | 5 | 3.73 |
| SP | Heaney, A.Heaney, Andrew >> | 28 | 2019 | L | 54 | 26 | 0 | 5 | 3 | 4.15 | .348 | 1.55 | 9.5 | 4.7 | 11.9 | 60.2 | 63 | 36 | 28 | 6 | 31 | 79 | 0 | 3 | 1 | 0 | 0 | 3 | 4 | 3.37 |