| SP | Cole, G.Cole, Gerrit # >> | 28 | 2019 | R | 97 | 23 | 23 | 12 | 7 | 3.72 | .295 | 1.22 | 8.7 | 2.3 | 11.0 | 154.2 | 149 | 68 | 64 | 18 | 40 | 188 | 0 | 0 | 0 | 0 | 15 | 5 | 2 | 2.95 |
| SP | Hamels, C.Hamels, Cole >> | 28 | 2011 | L | 78 | 23 | 23 | 9 | 7 | 4.92 | .321 | 1.40 | 9.2 | 3.3 | 6.5 | 159.0 | 163 | 89 | 87 | 33 | 59 | 115 | 2 | 0 | 0 | 0 | 8 | 4 | 3 | 5.44 |
| SP | Dickey, R.Dickey, R.A. >> | 38 | 2012 | R | 54 | 22 | 22 | 8 | 11 | 4.53 | .311 | 1.33 | 9.0 | 3.0 | 7.3 | 155.0 | 155 | 81 | 78 | 23 | 51 | 126 | 3 | 0 | 0 | 1 | 10 | 4 | 0 | 4.37 |
| RP | Parker, B.Parker, Blake >> | 32 | 2017 | R | 80 | 49 | 0 | 5 | 1 | 3.41 | .313 | 1.34 | 9.0 | 3.2 | 9.8 | 60.2 | 60 | 23 | 23 | 9 | 21 | 65 | 0 | 8 | 2 | 0 | 0 | 2 | 4 | 3.93 |
| RP | Ottavino, A.Ottavino, Adam >> | 32 | 2018 | R | 59 | 41 | 0 | 4 | 2 | 3.95 | .332 | 1.44 | 9.0 | 4.0 | 11.0 | 41.0 | 41 | 19 | 18 | 4 | 18 | 50 | 0 | 5 | 1 | 0 | 0 | 2 | 2 | 3.29 |
| RP | Rivero, F.Rivero, Felipe >> | 27 | 2019 | L | 45 | 28 | 0 | 0 | 3 | 6.75 | .339 | 1.50 | 8.6 | 4.9 | 10.1 | 24.0 | 23 | 18 | 18 | 5 | 13 | 27 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 5.21 |
| RP | Neris, H.Neris, Hector >> | 30 | 2019 | R | 36 | 20 | 0 | 2 | 0 | 2.86 | .275 | 1.14 | 5.7 | 4.5 | 9.4 | 22.0 | 14 | 7 | 7 | 2 | 11 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.59 |
| SP | Kennedy, I.Kennedy, Ian >> | 27 | 2011 | R | 43 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 45 | 6 | 0 | 0 | 1 | 6.00 | .333 | 1.50 | 13.5 | 0.0 | 16.5 | 6.0 | 9 | 4 | 4 | 1 | 0 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.50 |