| SP | Strasburg, S.Strasburg, Stephen † # $$ >> | 30 | 2019 | R | 96 | 20 | 20 | 9 | 6 | 3.05 | .258 | 1.00 | 5.9 | 3.1 | 10.2 | 147.2 | 97 | 53 | 50 | 17 | 50 | 167 | 4 | 0 | 0 | 2 | 14 | 7 | 1 | 3.39 |
| SP | Castillo, L.Castillo, Luis $ >> | 26 | 2019 | R | 87 | 19 | 19 | 5 | 8 | 6.18 | .345 | 1.53 | 8.3 | 5.5 | 11.5 | 103.1 | 95 | 71 | 71 | 28 | 63 | 132 | 0 | 0 | 0 | 0 | 5 | 5 | 2 | 5.95 |
| SP | Morton, C.Morton, Charlie $$ >> | 36 | 2019 | R | 90 | 18 | 18 | 5 | 7 | 5.38 | .327 | 1.41 | 9.0 | 3.8 | 10.8 | 103.2 | 103 | 67 | 62 | 18 | 43 | 124 | 0 | 0 | 0 | 0 | 6 | 5 | 4 | 4.26 |
| SP | Corbin, P.Corbin, Patrick >> | 29 | 2019 | L | 81 | 18 | 18 | 5 | 6 | 5.03 | .287 | 1.20 | 7.5 | 3.4 | 9.3 | 112.2 | 93 | 64 | 63 | 18 | 42 | 116 | 1 | 0 | 0 | 1 | 10 | 1 | 1 | 4.17 |
| RP | Gallegos, G.Gallegos, Giovanny # >> | 27 | 2019 | R | 100 | 54 | 0 | 2 | 1 | 3.91 | .287 | 1.17 | 7.6 | 2.9 | 11.7 | 53.0 | 45 | 23 | 23 | 13 | 17 | 69 | 0 | 0 | 3 | 0 | 0 | 2 | 2 | 4.66 |
| RP | Osuna, R.Osuna, Roberto >> | 24 | 2019 | R | 92 | 42 | 0 | 4 | 1 | 3.21 | .255 | 1.03 | 7.7 | 1.7 | 11.9 | 47.2 | 40 | 17 | 17 | 10 | 9 | 62 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3.70 |
| CL | Neris, H.Neris, Hector >> | 30 | 2019 | R | 90 | 33 | 0 | 0 | 4 | 3.18 | .271 | 1.12 | 6.6 | 3.4 | 10.9 | 34.0 | 25 | 12 | 12 | 2 | 13 | 41 | 0 | 20 | 2 | 0 | 0 | 0 | 0 | 2.50 |
| RP | Kahnle, T.Kahnle, Tommy >> | 29 | 2019 | R | 82 | 29 | 0 | 4 | 1 | 4.76 | .333 | 1.41 | 7.8 | 5.3 | 13.1 | 22.2 | 19 | 12 | 12 | 2 | 13 | 32 | 0 | 2 | 0 | 0 | 0 | 2 | 4 | 3.32 |
| RP | Wingenter, T.Wingenter, Trey >> | 25 | 2019 | R | 78 | 19 | 0 | 2 | 0 | 0.46 | .272 | 1.12 | 3.3 | 7.1 | 12.8 | 19.2 | 7 | 1 | 1 | 1 | 15 | 27 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 3.21 |
| RP | Ottavino, A.Ottavino, Adam >> | 33 | 2019 | R | 65 | 12 | 0 | 2 | 2 | 4.70 | .292 | 1.17 | 6.0 | 4.8 | 10.2 | 15.1 | 10 | 8 | 8 | 3 | 8 | 17 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 5.13 |
| SP | Bumgarner, M.Bumgarner, Madison # >> | 29 | 2019 | L | 74 | 14 | 8 | 3 | 6 | 7.22 | .336 | 1.50 | 11.0 | 2.6 | 7.7 | 67.1 | 82 | 56 | 54 | 18 | 19 | 57 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 5.69 |