| SP | Strasburg, S.Strasburg, Stephen † # >> | 30 | 2019 | R | 96 | 31 | 31 | 18 | 9 | 3.88 | .273 | 1.12 | 8.0 | 2.1 | 10.7 | 213.2 | 190 | 95 | 92 | 29 | 50 | 253 | 1 | 0 | 0 | 0 | 20 | 1 | 6 | 3.11 |
| SP | Corbin, P.Corbin, Patrick >> | 29 | 2019 | L | 82 | 30 | 30 | 11 | 12 | 4.64 | .324 | 1.38 | 9.1 | 3.4 | 10.6 | 176.2 | 177 | 98 | 91 | 28 | 66 | 207 | 1 | 0 | 0 | 1 | 12 | 11 | 2 | 4.03 |
| SP | Canning, G.Canning, Griffin # >> | 23 | 2019 | R | 70 | 29 | 29 | 2 | 13 | 5.50 | .346 | 1.55 | 9.8 | 4.2 | 10.6 | 137.1 | 149 | 94 | 84 | 33 | 64 | 161 | 0 | 0 | 0 | 0 | 3 | 5 | 12 | 5.29 |
| SP | Syndergaard, N.Syndergaard, Noah >> | 26 | 2019 | R | 57 | 28 | 28 | 8 | 14 | 6.35 | .339 | 1.52 | 10.1 | 3.6 | 10.5 | 153.0 | 171 | 111 | 108 | 30 | 61 | 179 | 1 | 0 | 0 | 0 | 8 | 3 | 2 | 4.46 |
| RP | Garcia, Y.Garcia, Yimi >> | 28 | 2019 | R | 96 | 79 | 0 | 3 | 3 | 2.97 | .276 | 1.10 | 7.9 | 2.1 | 10.3 | 118.0 | 103 | 40 | 39 | 16 | 27 | 135 | 0 | 8 | 0 | 0 | 0 | 5 | 1 | 3.29 |
| RP | Anderson, N.Anderson, Nick >> | 28 | 2019 | R | 80 | 79 | 0 | 6 | 6 | 5.06 | .278 | 1.12 | 7.9 | 2.2 | 11.9 | 106.2 | 93 | 70 | 60 | 22 | 26 | 140 | 0 | 5 | 3 | 0 | 0 | 4 | 9 | 3.91 |
| RP | Ramirez, N.Ramirez, Noe >> | 29 | 2019 | R | 67 | 75 | 0 | 3 | 5 | 4.39 | .321 | 1.41 | 9.3 | 3.4 | 10.3 | 94.1 | 97 | 47 | 46 | 16 | 36 | 108 | 0 | 4 | 7 | 0 | 0 | 1 | 0 | 4.10 |
| RP | Leclerc, J.Leclerc, Jose >> | 25 | 2019 | R | 56 | 64 | 0 | 4 | 3 | 2.35 | .310 | 1.32 | 7.2 | 4.7 | 11.5 | 69.0 | 55 | 18 | 18 | 6 | 36 | 88 | 0 | 9 | 2 | 0 | 0 | 2 | 2 | 3.23 |
| SP | Alcantara, S.Alcantara, Sandy >> | 23 | 2019 | R | 49 | 38 | 0 | 4 | 2 | 4.74 | .299 | 1.28 | 7.8 | 3.8 | 8.0 | 62.2 | 54 | 33 | 33 | 11 | 26 | 55 | 0 | 7 | 1 | 0 | 0 | 0 | 1 | 4.79 |