| SP | Martinez, P.Martinez, Pedro † >> | 26 | 1997 | R | 97 | 24 | 24 | 14 | 6 | 3.50 | .291 | 1.20 | 8.0 | 2.8 | 8.9 | 187.2 | 166 | 75 | 73 | 15 | 59 | 185 | 10 | 0 | 0 | 2 | 14 | 6 | 2 | 3.11 |
| SP | Scherzer, M.Scherzer, Max >> | 31 | 2015 | R | 87 | 24 | 24 | 9 | 6 | 3.12 | .290 | 1.20 | 7.8 | 3.1 | 10.3 | 158.2 | 137 | 65 | 55 | 9 | 54 | 181 | 1 | 0 | 0 | 0 | 17 | 3 | 5 | 2.53 |
| SP | Strasburg, S.Strasburg, Stephen # >> | 30 | 2019 | R | 82 | 23 | 23 | 7 | 9 | 5.07 | .303 | 1.26 | 9.2 | 2.2 | 10.1 | 142.0 | 145 | 82 | 80 | 19 | 34 | 159 | 2 | 0 | 0 | 0 | 12 | 6 | 3 | 3.35 |
| SP | Corbin, P.Corbin, Patrick # >> | 29 | 2019 | L | 52 | 23 | 23 | 9 | 6 | 4.86 | .329 | 1.44 | 9.8 | 3.2 | 8.5 | 133.1 | 145 | 76 | 72 | 20 | 47 | 125 | 0 | 0 | 0 | 0 | 11 | 4 | 2 | 4.23 |
| CL | Rivero, F.Rivero, Felipe # >> | 23 | 2015 | L | 79 | 39 | 0 | 1 | 6 | 4.31 | .292 | 1.24 | 8.8 | 2.5 | 7.4 | 39.2 | 38 | 19 | 19 | 5 | 11 | 32 | 0 | 24 | 7 | 0 | 0 | 0 | 1 | 3.87 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 35 | 2015 | R | 59 | 45 | 0 | 2 | 4 | 6.80 | .332 | 1.44 | 11.3 | 1.9 | 7.5 | 43.2 | 54 | 34 | 33 | 12 | 9 | 36 | 0 | 2 | 8 | 0 | 0 | 2 | 0 | 5.72 |
| RP | Storen, D.Storen, Drew >> | 27 | 2015 | R | 53 | 30 | 0 | 5 | 0 | 4.24 | .346 | 1.59 | 11.3 | 3.1 | 9.4 | 23.1 | 29 | 11 | 11 | 2 | 8 | 24 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.09 |
| RP | Thornton, M.Thornton, Matt >> | 39 | 2015 | L | 52 | 51 | 0 | 4 | 0 | 2.70 | .238 | 0.90 | 6.9 | 1.4 | 6.6 | 26.2 | 20 | 10 | 8 | 0 | 4 | 19 | 0 | 1 | 2 | 0 | 0 | 1 | 1 | 2.12 |
| RP | Hudson, D.Hudson, Daniel >> | 32 | 2019 | R | 50 | 14 | 0 | 2 | 0 | 2.92 | .288 | 1.22 | 7.5 | 3.8 | 5.3 | 12.1 | 10 | 4 | 4 | 0 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3.08 |
| SP | Zimmermann, J.Zimmermann, Jordan >> | 29 | 2015 | R | 25 | 14 | 0 | 2 | 1 | 3.54 | .325 | 1.44 | 10.5 | 2.5 | 7.3 | 53.1 | 62 | 27 | 21 | 4 | 15 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3.21 |