| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 33 | 33 | 7 | 20 | 5.89 | .346 | 1.55 | 10.9 | 3.0 | 8.8 | 197.0 | 239 | 138 | 129 | 35 | 66 | 192 | 2 | 0 | 0 | 1 | 13 | 7 | 3 | 4.47 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 85 | 32 | 32 | 3 | 21 | 7.79 | .378 | 1.79 | 12.3 | 3.8 | 4.7 | 141.0 | 193 | 125 | 122 | 24 | 60 | 73 | 0 | 0 | 0 | 0 | 7 | 4 | 5 | 5.54 |
| CL | Jansen, K.Jansen, Kenley >> | 28 | 2016 | R | 97 | 70 | 0 | 4 | 0 | 2.54 | .255 | 1.01 | 6.3 | 2.8 | 9.9 | 78.0 | 55 | 22 | 22 | 5 | 24 | 86 | 0 | 28 | 1 | 0 | 0 | 1 | 1 | 2.59 |
| SU | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 78 | 0 | 2 | 4 | 4.32 | .328 | 1.44 | 8.0 | 5.0 | 9.2 | 85.1 | 76 | 43 | 41 | 8 | 47 | 87 | 0 | 1 | 3 | 0 | 0 | 2 | 0 | 3.91 |
| RP | Percival, T.Percival, Troy >> | 26 | 1995 | R | 83 | 79 | 0 | 3 | 3 | 4.21 | .298 | 1.25 | 7.7 | 3.6 | 7.9 | 102.2 | 87 | 52 | 48 | 13 | 41 | 89 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 4.21 |
| RP | Balfour, G.Balfour, Grant >> | 31 | 2008 | R | 76 | 65 | 0 | 5 | 0 | 3.43 | .280 | 1.16 | 5.8 | 4.7 | 9.7 | 81.1 | 52 | 31 | 31 | 7 | 42 | 87 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 3.57 |
| RP | Holland, G.Holland, Greg >> | 27 | 2013 | R | 72 | 60 | 0 | 3 | 1 | 4.54 | .315 | 1.32 | 7.8 | 4.2 | 8.7 | 67.1 | 58 | 34 | 34 | 6 | 31 | 65 | 0 | 0 | 1 | 0 | 0 | 4 | 2 | 3.79 |
| SP | Bender, C.Bender, Chief >> | 26 | 1910 | R | 72 | 22 | 3 | 2 | 4 | 6.48 | .372 | 1.74 | 12.8 | 2.9 | 5.2 | 50.0 | 71 | 40 | 36 | 9 | 16 | 29 | 1 | 3 | 0 | 0 | 1 | 2 | 1 | 5.26 |