| SP | Martinez, P.Martinez, Pedro | 29 | Phillies | R | 100 | 17 | 17 | 8 | 4 | 3.32 | .289 | 1.18 | 7.8 | 2.8 | 9.2 | 114.0 | 99 | 43 | 42 | 12 | 36 | 116 | 2 | 0 | 0 | 0 | 11 | 4 | 1 | 3.39 |
| SP | Kershaw, C.Kershaw, Clayton # | 28 | Sergeants | L | 98 | 17 | 17 | 7 | 4 | 3.20 | .256 | 0.99 | 7.3 | 1.6 | 10.0 | 121.0 | 98 | 46 | 43 | 14 | 22 | 135 | 1 | 0 | 0 | 0 | 12 | 5 | 0 | 2.94 |
| 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 | 43 | 0 | 4 | 2 | 2.74 | .273 | 1.03 | 5.6 | 3.9 | 9.4 | 42.2 | 26 | 13 | 13 | 3 | 18 | 44 | 0 | 21 | 2 | 0 | 0 | 4 | 1 | 3.40 |
| 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 |