| SP | Martinez, P.Martinez, Pedro | 29 | Phillies | R | 100 | 18 | 18 | 8 | 5 | 3.58 | .293 | 1.21 | 8.1 | 2.8 | 9.0 | 118.0 | 106 | 48 | 47 | 14 | 37 | 118 | 2 | 0 | 0 | 0 | 11 | 4 | 1 | 3.58 |
| SP | Kershaw, C.Kershaw, Clayton # | 28 | Sergeants | L | 98 | 18 | 18 | 8 | 4 | 3.38 | .269 | 1.06 | 7.9 | 1.7 | 9.8 | 128.0 | 112 | 51 | 48 | 14 | 24 | 140 | 1 | 0 | 0 | 0 | 12 | 5 | 0 | 2.91 |
| RP | Boxberger, B.Boxberger, Brad | 26 | Hawkeyes | R | 82 | 35 | 0 | 6 | 1 | 2.01 | .280 | 1.12 | 5.0 | 5.2 | 9.7 | 40.1 | 22 | 9 | 9 | 6 | 23 | 43 | 0 | 4 | 2 | 0 | 0 | 2 | 0 | 4.68 |
| RP | Gallegos, G.Gallegos, Giovanny | 27 | Gators | R | 77 | 47 | 0 | 3 | 3 | 4.21 | .279 | 1.11 | 6.5 | 3.6 | 10.9 | 57.2 | 41 | 27 | 27 | 8 | 23 | 69 | 0 | 12 | 2 | 0 | 0 | 3 | 2 | 3.77 |
| CL | Kimbrel, C.Kimbrel, Craig | 24 | Spartans | R | 100 | 44 | 0 | 4 | 3 | 2.84 | .273 | 1.02 | 5.3 | 3.9 | 9.6 | 44.1 | 26 | 14 | 14 | 3 | 19 | 47 | 0 | 21 | 2 | 0 | 0 | 5 | 1 | 3.39 |
| CL | Eckersley, D.Eckersley, Dennis | 36 | Nighthawks | R | 86 | 29 | 0 | 0 | 3 | 2.03 | .225 | 0.87 | 6.7 | 1.2 | 7.5 | 31.0 | 23 | 8 | 7 | 3 | 4 | 26 | 0 | 20 | 2 | 0 | 0 | 0 | 0 | 2.97 |