| SP | Greinke, Z.Greinke, Zack $ >> | 32 | 2015 | R | 94 | 16 | 16 | 4 | 8 | 3.42 | .288 | 1.19 | 8.0 | 2.7 | 6.0 | 113.0 | 101 | 48 | 43 | 6 | 34 | 75 | 1 | 0 | 0 | 0 | 10 | 2 | 8 | 3.32 |
| SP | Richard, J.Richard, J.R. $$ >> | 30 | 1980 | R | 90 | 16 | 16 | 3 | 7 | 3.65 | .319 | 1.41 | 8.1 | 4.6 | 7.9 | 106.0 | 95 | 54 | 43 | 7 | 54 | 93 | 2 | 0 | 0 | 0 | 11 | 0 | 3 | 3.63 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 15 | 15 | 4 | 7 | 4.11 | .265 | 1.06 | 7.3 | 2.3 | 9.1 | 111.2 | 90 | 52 | 51 | 16 | 28 | 112 | 3 | 0 | 0 | 1 | 7 | 3 | 4 | 3.69 |
| SP | McLain, D.McLain, Denny >> | 24 | 1968 | R | 79 | 15 | 15 | 5 | 6 | 2.91 | .236 | 0.92 | 6.2 | 2.1 | 5.4 | 111.1 | 76 | 39 | 36 | 10 | 26 | 66 | 4 | 0 | 0 | 0 | 11 | 1 | 1 | 3.71 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 16 | 0 | 0 | 1 | 3.78 | .359 | 1.62 | 9.6 | 5.6 | 8.4 | 16.2 | 17 | 7 | 7 | 1 | 10 | 15 | 0 | 2 | 3 | 0 | 0 | 1 | 0 | 4.00 |
| RP | Soriano, R.Soriano, Rafael >> | 24 | 2003 | R | 85 | 36 | 0 | 4 | 2 | 1.76 | .268 | 1.10 | 7.9 | 2.0 | 9.2 | 41.0 | 36 | 8 | 8 | 0 | 9 | 42 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1.61 |
| RP | Zimmerman, J.Zimmerman, Jeff >> | 27 | 1999 | R | 70 | 10 | 0 | 0 | 1 | 3.38 | .304 | 1.22 | 6.3 | 5.4 | 5.4 | 10.2 | 7 | 4 | 4 | 1 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 5.20 |
| SP | Hendrix, C.Hendrix, Claude >> | 25 | 1914 | R | 69 | 2 | 0 | 1 | 0 | 0.00 | .125 | 0.43 | 4.5 | 0.0 | 4.5 | 2.1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.00 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 85 | 12 | 1 | 2 | 1 | 3.70 | .274 | 1.13 | 8.3 | 2.1 | 6.6 | 48.2 | 44 | 22 | 20 | 2 | 11 | 35 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2.77 |