| SP | Alexander, P.Alexander, Pete | 28 | Rubs It | R | 88 | 30 | 30 | 16 | 9 | 3.13 | .269 | 1.09 | 7.2 | 2.6 | 4.1 | 229.2 | 184 | 84 | 80 | 13 | 66 | 105 | 16 | 0 | 0 | 4 | 19 | 3 | 2 | 3.72 |
| SP | Lundgren, C.Lundgren, Carl | 27 | Jungle | R | 42 | 29 | 29 | 16 | 7 | 2.74 | .285 | 1.18 | 6.4 | 4.2 | 3.4 | 194.0 | 137 | 63 | 59 | 12 | 91 | 73 | 5 | 0 | 0 | 3 | 19 | 4 | 0 | 4.52 |
| SP | Arrieta, J.Arrieta, Jake # | 29 | Giants | R | 93 | 31 | 31 | 24 | 3 | 2.56 | .243 | 0.94 | 6.8 | 1.7 | 7.1 | 207.2 | 156 | 61 | 59 | 16 | 40 | 164 | 2 | 0 | 0 | 1 | 25 | 4 | 1 | 3.06 |
| RP | Chapman, A.Chapman, Aroldis | 26 | Giants | L | 93 | 79 | 0 | 4 | 2 | 1.86 | .240 | 0.94 | 4.1 | 4.3 | 9.9 | 111.0 | 51 | 23 | 23 | 5 | 53 | 122 | 0 | 7 | 1 | 0 | 0 | 1 | 2 | 2.85 |
| RP | Percival, T.Percival, Troy | 26 | Demons | R | 82 | 77 | 0 | 8 | 1 | 5.06 | .343 | 1.57 | 7.8 | 6.4 | 8.0 | 99.2 | 86 | 62 | 56 | 9 | 70 | 88 | 0 | 6 | 1 | 0 | 0 | 0 | 1 | 4.53 |
| CL | Doolittle, S.Doolittle, Sean | 31 | Lemmings | L | 99 | 58 | 0 | 4 | 5 | 3.69 | .302 | 1.30 | 9.1 | 2.5 | 10.2 | 61.0 | 62 | 27 | 25 | 10 | 17 | 69 | 0 | 31 | 8 | 0 | 0 | 0 | 1 | 3.70 |