| SP | Strasburg, S.Strasburg, Stephen >> | 30 | 2019 | R | 96 | 33 | 33 | 11 | 8 | 3.53 | .278 | 1.14 | 7.6 | 2.7 | 11.3 | 224.2 | 190 | 93 | 88 | 34 | 66 | 281 | 2 | 0 | 0 | 1 | 19 | 4 | 5 | 3.40 |
| SP | Kershaw, C.Kershaw, Clayton # >> | 31 | 2019 | L | 94 | 32 | 32 | 13 | 11 | 4.78 | .331 | 1.46 | 10.2 | 3.0 | 9.2 | 195.2 | 222 | 112 | 104 | 31 | 64 | 200 | 0 | 0 | 0 | 0 | 18 | 5 | 9 | 4.08 |
| SP | Weaver, L.Weaver, Luke >> | 25 | 2019 | R | 88 | 32 | 32 | 12 | 10 | 3.93 | .292 | 1.21 | 7.9 | 3.0 | 10.6 | 190.0 | 166 | 91 | 83 | 38 | 64 | 224 | 1 | 0 | 0 | 1 | 13 | 5 | 0 | 4.33 |
| SP | Bumgarner, M.Bumgarner, Madison # >> | 29 | 2019 | L | 78 | 31 | 31 | 13 | 13 | 5.88 | .335 | 1.47 | 10.5 | 2.8 | 8.6 | 183.2 | 214 | 122 | 120 | 40 | 56 | 174 | 0 | 0 | 0 | 0 | 14 | 7 | 5 | 4.97 |
| CL | Chapman, A.Chapman, Aroldis # >> | 31 | 2019 | L | 90 | 57 | 0 | 4 | 7 | 4.58 | .315 | 1.32 | 6.8 | 5.1 | 11.9 | 53.0 | 40 | 29 | 27 | 7 | 30 | 70 | 0 | 28 | 5 | 0 | 0 | 3 | 4 | 3.94 |
| SU | Greene, S.Greene, Shane >> | 30 | 2019 | R | 87 | 48 | 0 | 1 | 3 | 7.11 | .364 | 1.62 | 10.4 | 4.3 | 11.3 | 44.1 | 51 | 36 | 35 | 14 | 21 | 55 | 0 | 3 | 6 | 0 | 0 | 4 | 0 | 6.34 |
| RP | Kahnle, T.Kahnle, Tommy >> | 29 | 2019 | R | 88 | 83 | 0 | 4 | 6 | 4.35 | .327 | 1.44 | 7.4 | 5.6 | 11.6 | 99.1 | 81 | 49 | 48 | 13 | 62 | 128 | 0 | 1 | 3 | 0 | 0 | 2 | 10 | 4.06 |
| RP | Givens, M.Givens, Mychal >> | 29 | 2019 | R | 81 | 73 | 0 | 3 | 2 | 4.72 | .322 | 1.36 | 8.3 | 4.0 | 10.2 | 76.1 | 70 | 46 | 40 | 10 | 34 | 86 | 0 | 2 | 1 | 0 | 0 | 5 | 4 | 3.99 |
| RP | Martin, C.Martin, Chris >> | 33 | 2019 | R | 79 | 54 | 0 | 1 | 1 | 3.59 | .331 | 1.44 | 10.7 | 2.4 | 10.7 | 52.2 | 62 | 22 | 21 | 9 | 14 | 62 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 3.79 |
| RP | Perez, O.Perez, Oliver >> | 38 | 2019 | L | 61 | 44 | 0 | 1 | 2 | 6.80 | .358 | 1.61 | 10.5 | 4.0 | 10.8 | 49.0 | 57 | 38 | 37 | 4 | 22 | 59 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 3.18 |
| SP | Berrios, J.Berrios, Jose >> | 25 | 2019 | R | 64 | 6 | 1 | 0 | 3 | 17.05 | .493 | 2.84 | 22.5 | 4.5 | 10.5 | 12.2 | 30 | 24 | 24 | 5 | 6 | 14 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 7.83 |
| SP | Paxton, J.Paxton, James >> | 30 | 2019 | L | 65 | 15 | 0 | 3 | 1 | 6.08 | .375 | 1.71 | 10.9 | 4.6 | 11.4 | 53.1 | 64 | 38 | 36 | 8 | 27 | 67 | 0 | 0 | 0 | 0 | 0 | 5 | 4 | 4.25 |