| SP | Scherzer, M.Scherzer, Max >> | 33 | 2017 | R | 97 | 21 | 21 | 7 | 6 | 4.02 | .282 | 1.14 | 6.4 | 3.9 | 8.5 | 134.1 | 95 | 61 | 60 | 13 | 58 | 127 | 0 | 0 | 0 | 0 | 13 | 5 | 2 | 3.78 |
| SP | Scott, M.Scott, Mike # >> | 31 | 1986 | R | 92 | 20 | 20 | 11 | 4 | 3.84 | .299 | 1.25 | 8.4 | 2.9 | 7.9 | 145.1 | 136 | 68 | 62 | 22 | 46 | 128 | 3 | 0 | 0 | 1 | 12 | 4 | 2 | 4.24 |
| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 84 | 20 | 20 | 8 | 5 | 5.28 | .322 | 1.40 | 8.7 | 3.9 | 8.1 | 119.1 | 115 | 70 | 70 | 18 | 52 | 107 | 1 | 0 | 0 | 0 | 8 | 3 | 1 | 4.55 |
| SP | Perez, P.Perez, Pascual >> | 31 | 1988 | R | 77 | 20 | 20 | 3 | 12 | 6.67 | .328 | 1.44 | 10.1 | 2.9 | 6.9 | 118.2 | 133 | 91 | 88 | 28 | 38 | 90 | 0 | 0 | 0 | 0 | 5 | 3 | 2 | 5.60 |
| SP | Strasburg, S.Strasburg, Stephen † >> | 28 | 2017 | R | 67 | 19 | 19 | 13 | 2 | 3.38 | .304 | 1.30 | 8.7 | 3.0 | 9.5 | 122.1 | 118 | 50 | 46 | 17 | 41 | 129 | 0 | 0 | 0 | 0 | 13 | 1 | 1 | 3.73 |
| CL | Street, H.Street, Huston † >> | 29 | 2012 | R | 95 | 41 | 0 | 6 | 6 | 2.84 | .293 | 1.17 | 7.2 | 3.5 | 10.2 | 44.1 | 35 | 15 | 14 | 5 | 17 | 50 | 0 | 22 | 3 | 0 | 0 | 3 | 0 | 3.57 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 90 | 42 | 0 | 4 | 0 | 2.22 | .266 | 1.07 | 6.6 | 3.2 | 11.3 | 48.2 | 35 | 12 | 12 | 4 | 17 | 60 | 0 | 2 | 4 | 0 | 0 | 1 | 0 | 2.71 |
| RP | Jackson, M.Jackson, Mike >> | 30 | 1994 | R | 82 | 52 | 0 | 4 | 0 | 2.49 | .306 | 1.32 | 7.9 | 4.1 | 8.5 | 50.2 | 44 | 21 | 14 | 5 | 23 | 47 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 3.80 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 77 | 38 | 0 | 3 | 0 | 2.23 | .271 | 1.12 | 7.4 | 2.7 | 8.8 | 40.1 | 33 | 10 | 10 | 3 | 12 | 39 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 2.93 |
| RP | Zimmerman, J.Zimmerman, Jeff >> | 27 | 1999 | R | 69 | 28 | 0 | 3 | 0 | 1.44 | .284 | 1.15 | 7.3 | 3.1 | 4.4 | 43.2 | 35 | 7 | 7 | 3 | 15 | 21 | 0 | 1 | 0 | 0 | 0 | 2 | 3 | 4.12 |