| SP | Hamels, C.Hamels, Cole >> | 28 | 2011 | L | 97 | 32 | 32 | 14 | 12 | 3.47 | .294 | 1.22 | 8.8 | 2.1 | 7.6 | 210.0 | 206 | 83 | 81 | 18 | 50 | 178 | 6 | 0 | 0 | 3 | 19 | 6 | 3 | 3.22 |
| SP | Hellickson, J.Hellickson, Jeremy >> | 24 | 2011 | R | 84 | 31 | 31 | 17 | 11 | 3.56 | .296 | 1.25 | 8.0 | 3.2 | 6.5 | 197.0 | 175 | 81 | 78 | 18 | 71 | 142 | 3 | 0 | 0 | 2 | 20 | 3 | 4 | 3.87 |
| SP | Marcum, S.Marcum, Shaun # >> | 30 | 2011 | R | 76 | 30 | 30 | 16 | 6 | 4.40 | .319 | 1.36 | 9.1 | 3.1 | 6.8 | 172.0 | 174 | 86 | 84 | 18 | 60 | 129 | 0 | 0 | 0 | 0 | 19 | 8 | 3 | 4.05 |
| SP | Wilson, C.Wilson, C.J. >> | 31 | 2011 | L | 75 | 30 | 30 | 10 | 15 | 4.61 | .315 | 1.36 | 9.0 | 3.2 | 6.4 | 183.1 | 184 | 105 | 94 | 23 | 65 | 130 | 1 | 0 | 0 | 1 | 16 | 4 | 5 | 4.34 |
| SP | Greinke, Z.Greinke, Zack # >> | 28 | 2011 | R | 70 | 29 | 29 | 9 | 9 | 5.19 | .310 | 1.32 | 9.5 | 2.5 | 9.4 | 154.1 | 162 | 90 | 89 | 22 | 42 | 160 | 0 | 0 | 0 | 0 | 14 | 4 | 5 | 3.68 |
| CL | Holland, G.Holland, Greg >> | 25 | 2011 | R | 95 | 52 | 0 | 2 | 7 | 5.06 | .336 | 1.44 | 8.1 | 4.9 | 9.4 | 48.0 | 43 | 27 | 27 | 6 | 26 | 50 | 0 | 28 | 5 | 0 | 0 | 4 | 5 | 4.42 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 31 | 2011 | R | 84 | 54 | 0 | 0 | 5 | 4.47 | .300 | 1.27 | 8.7 | 2.8 | 9.2 | 54.1 | 52 | 27 | 27 | 6 | 17 | 55 | 0 | 4 | 6 | 0 | 0 | 1 | 0 | 3.41 |
| RP | Balfour, G.Balfour, Grant >> | 34 | 2011 | R | 81 | 80 | 0 | 5 | 3 | 3.35 | .277 | 1.12 | 6.9 | 3.3 | 7.9 | 88.2 | 67 | 38 | 33 | 10 | 32 | 77 | 0 | 3 | 0 | 0 | 0 | 3 | 0 | 3.92 |
| RP | Farnsworth, K.Farnsworth, Kyle >> | 35 | 2011 | R | 69 | 54 | 0 | 2 | 2 | 1.43 | .247 | 0.90 | 6.0 | 2.1 | 6.7 | 63.0 | 42 | 10 | 10 | 2 | 15 | 47 | 0 | 3 | 1 | 0 | 0 | 5 | 1 | 2.87 |
| RP | Janssen, C.Janssen, Casey >> | 30 | 2011 | R | 50 | 40 | 0 | 2 | 2 | 5.98 | .354 | 1.65 | 12.6 | 2.5 | 4.5 | 40.2 | 56 | 28 | 27 | 6 | 11 | 20 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4.78 |
| SP | Vazquez, J.Vazquez, Javier >> | 35 | 2011 | R | 69 | 24 | 0 | 1 | 0 | 5.40 | .344 | 1.54 | 10.4 | 3.5 | 7.3 | 98.1 | 113 | 63 | 59 | 18 | 38 | 80 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 5.04 |