| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 84 | 18 | 18 | 5 | 6 | 4.45 | .291 | 1.21 | 8.2 | 2.8 | 8.1 | 111.1 | 101 | 58 | 55 | 17 | 34 | 100 | 0 | 0 | 0 | 0 | 7 | 2 | 2 | 4.16 |
| SP | Clemens, R.Clemens, Roger >> | 24 | 1986 | R | 77 | 18 | 18 | 7 | 10 | 4.50 | .324 | 1.43 | 8.9 | 4.0 | 6.8 | 126.0 | 124 | 66 | 63 | 15 | 56 | 95 | 4 | 0 | 0 | 3 | 8 | 1 | 4 | 4.40 |
| SP | Liriano, F.Liriano, Francisco >> | 23 | 2006 | L | 74 | 17 | 17 | 4 | 7 | 6.00 | .312 | 1.35 | 8.9 | 3.2 | 9.3 | 78.0 | 77 | 53 | 52 | 10 | 28 | 81 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 3.71 |
| SP | Hamels, C.Hamels, Cole >> | 28 | 2011 | L | 62 | 17 | 17 | 5 | 6 | 4.33 | .319 | 1.36 | 8.8 | 3.4 | 6.7 | 108.0 | 106 | 52 | 52 | 11 | 41 | 80 | 1 | 0 | 0 | 0 | 8 | 5 | 2 | 4.12 |
| RP | Wagner, B.Wagner, Billy >> | 28 | 1999 | L | 94 | 58 | 0 | 2 | 3 | 3.38 | .312 | 1.36 | 7.9 | 4.5 | 11.7 | 50.2 | 44 | 20 | 19 | 5 | 25 | 65 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 3.20 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 70 | 55 | 0 | 0 | 5 | 4.77 | .344 | 1.52 | 9.0 | 4.8 | 8.8 | 54.2 | 54 | 29 | 29 | 9 | 29 | 53 | 0 | 4 | 3 | 0 | 0 | 3 | 0 | 4.98 |
| RP | Zimmerman, J.Zimmerman, Jeff >> | 27 | 1999 | R | 67 | 46 | 0 | 4 | 2 | 2.68 | .242 | 0.94 | 5.4 | 3.1 | 5.9 | 47.0 | 28 | 15 | 14 | 5 | 16 | 31 | 0 | 3 | 3 | 0 | 0 | 1 | 1 | 4.15 |
| RP | Dotel, O.Dotel, Octavio >> | 29 | 2002 | R | 66 | 29 | 0 | 1 | 2 | 4.17 | .337 | 1.53 | 9.3 | 4.8 | 11.0 | 36.2 | 37 | 19 | 17 | 8 | 19 | 44 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 5.03 |