| SP | Guidry, R.Guidry, Ron † # | Claws | L | 175.0 | 31 | 31 | 22 | 5 | 3.43 | .266 | 1.06 | 6.9 | 2.6 | 5.3 | 247.0 | 189 | 95 | 94 | 28 | 72 | 146 | 17 | 0 | 0 | 3 | 19 | 7 | 2 | 4.25 |
| SP | Martinez, P.Martinez, Pedro † | Claws | R | 161.0 | 32 | 32 | 19 | 9 | 2.92 | .284 | 1.18 | 8.1 | 2.5 | 7.9 | 243.1 | 219 | 88 | 79 | 27 | 67 | 212 | 9 | 0 | 0 | 2 | 21 | 3 | 8 | 3.56 |
| SP | Kershaw, C.Kershaw, Clayton † | MDR | L | 157.0 | 32 | 32 | 18 | 6 | 2.95 | .274 | 1.12 | 8.1 | 2.0 | 8.7 | 234.2 | 210 | 80 | 77 | 22 | 53 | 227 | 6 | 0 | 0 | 2 | 24 | 3 | 3 | 3.00 |
| SP | Mathewson, C.Mathewson, Christy † | Mets | R | 137.0 | 31 | 31 | 16 | 8 | 2.95 | .274 | 1.09 | 8.0 | 1.8 | 5.3 | 229.0 | 204 | 80 | 75 | 16 | 46 | 136 | 9 | 0 | 0 | 1 | 23 | 9 | 1 | 3.44 |
| SP | Johnson, R.Johnson, Randy # | MDR | L | 114.0 | 31 | 31 | 15 | 10 | 3.55 | .268 | 1.07 | 7.9 | 1.7 | 8.5 | 218.0 | 192 | 87 | 86 | 29 | 42 | 206 | 6 | 0 | 0 | 1 | 22 | 5 | 0 | 3.49 |
| CL | Kimbrel, C.Kimbrel, Craig † | Americans | R | 111.5 | 64 | 0 | 3 | 5 | 3.20 | .298 | 1.25 | 6.9 | 4.4 | 10.2 | 76.0 | 58 | 27 | 27 | 5 | 37 | 86 | 0 | 35 | 3 | 0 | 0 | 2 | 5 | 3.13 |
| SP | Leonard, D.Leonard, Dutch | Mets | L | 106.0 | 31 | 31 | 17 | 5 | 3.96 | .296 | 1.24 | 8.1 | 3.1 | 5.4 | 195.1 | 175 | 89 | 86 | 10 | 67 | 117 | 0 | 0 | 0 | 0 | 18 | 4 | 1 | 3.56 |