| SP | Cole, G.Cole, Gerrit # >> | 28 | 2019 | R | 96 | 38 | 38 | 16 | 15 | 4.01 | .292 | 1.21 | 8.7 | 2.2 | 10.7 | 253.1 | 245 | 113 | 113 | 30 | 62 | 302 | 0 | 0 | 0 | 0 | 24 | 6 | 0 | 2.96 |
| SP | Harden, R.Harden, Rich >> | 27 | 2008 | R | 67 | 35 | 35 | 12 | 12 | 4.07 | .311 | 1.34 | 7.4 | 4.7 | 9.5 | 218.2 | 179 | 103 | 99 | 28 | 113 | 230 | 2 | 0 | 0 | 1 | 19 | 4 | 1 | 4.17 |
| SP | Hamels, C.Hamels, Cole >> | 28 | 2011 | L | 62 | 35 | 35 | 5 | 22 | 8.08 | .357 | 1.63 | 11.9 | 2.8 | 6.2 | 189.1 | 250 | 175 | 170 | 50 | 59 | 131 | 0 | 0 | 0 | 0 | 10 | 6 | 2 | 6.08 |
| SP | Valenzuela, F.Valenzuela, Fernando # >> | 21 | 1981 | L | 59 | 31 | 31 | 12 | 11 | 4.56 | .312 | 1.34 | 8.6 | 3.5 | 8.4 | 229.0 | 219 | 127 | 116 | 34 | 89 | 213 | 7 | 0 | 0 | 1 | 16 | 3 | 7 | 4.28 |
| RP | Street, H.Street, Huston >> | 29 | 2012 | R | 96 | 99 | 0 | 8 | 4 | 4.09 | .306 | 1.31 | 6.9 | 5.0 | 9.6 | 140.2 | 107 | 67 | 64 | 13 | 77 | 149 | 0 | 8 | 4 | 0 | 0 | 2 | 1 | 3.77 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 77 | 85 | 0 | 4 | 1 | 5.11 | .340 | 1.52 | 9.1 | 4.6 | 10.5 | 93.1 | 94 | 59 | 53 | 17 | 48 | 108 | 0 | 13 | 6 | 0 | 0 | 2 | 4 | 4.67 |
| RP | Eichhorn, M.Eichhorn, Mark >> | 26 | 1986 | R | 47 | 48 | 0 | 5 | 3 | 2.77 | .298 | 1.23 | 8.3 | 2.9 | 9.5 | 74.2 | 68 | 26 | 23 | 11 | 24 | 78 | 0 | 1 | 1 | 0 | 0 | 3 | 2 | 3.92 |
| SP | DeLeon, J.DeLeon, Jose >> | 29 | 1989 | R | 58 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Weaver, J.Weaver, Jered >> | 29 | 2011 | R | 52 | 12 | 0 | 2 | 2 | 4.98 | .337 | 1.52 | 9.0 | 5.1 | 5.1 | 21.2 | 21 | 12 | 12 | 3 | 12 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5.43 |