| As Starter | BF | xRA | RAA | K% | nB% | | Bass, Anthony | 358 | 4.69 | -3.0 | 21 | 9 | | Cashner, Andrew | 80 | 2.89 | 3.3 | 28 | 5 | | Kelly, Casey | 136 | 4.04 | 1.1 | 19 | 8 | | Luebke, Cory | 130 | 4.20 | 0.5 | 18 | 6 | | Marquis, Jason | 401 | 4.56 | -2.1 | 19 | 7 | | Moseley, Dustin | 22 | 4.64 | -0.2 | 17 | 9 | | Ohlendorf, Ross | 190 | 5.74 | -6.5 | 17 | 11 | | Richard, Clayton | 910 | 4.46 | -2.5 | 11 | 5 | | Stauffer, Tim | 24 | 3.70 | 0.4 | 22 | 14 | | Stults, Eric | 354 | 5.90 | -13.8 | 13 | 6 | | Suppan, Jeff | 137 | 6.07 | -5.8 | 5 | 7 | | Volquez, Edinson | 802 | 4.84 | -9.5 | 21 | 13 | | Wells, Kip | 169 | 5.53 | -4.9 | 11 | 12 | | Werner, Andrew | 177 | 3.81 | 2.6 | 19 | 8 | | Wieland, Joe | 119 | 4.19 | 0.5 | 19 | 7 |
| As Reliever | BF | Lev | xRA | RAA | K% | nB% | | Bass, Anthony | 53 | 0.9 | 4.81 | -0.9 | 9 | 6 | | Boxberger, Brad | 120 | 0.7 | 5.06 | -2.6 | 27 | 16 | | Brach, Brad | 280 | 1.1 | 3.60 | 4.3 | 26 | 10 | | Burns, Cory | 92 | 0.6 | 5.28 | -2.5 | 19 | 11 | | Cashner, Andrew | 116 | 1.7 | 4.10 | 0.3 | 24 | 13 | | Frieri, Ernesto | 50 | 0.6 | 3.24 | 1.3 | 34 | 12 | | Gregerson, Luke | 294 | 1.6 | 3.28 | 7.2 | 24 | 7 | | Hinshaw, Alex | 129 | 0.5 | 4.78 | -1.9 | 28 | 16 | | Layne, Tommy | 68 | 1.2 | 2.05 | 4.0 | 36 | 9 | | Mikolas, Miles | 144 | 0.6 | 4.81 | -2.2 | 16 | 12 | | Ohlendorf, Ross | 43 | 0.9 | 4.41 | -0.2 | 16 | 9 | | Owings, Micah | 41 | 0.8 | 4.57 | -0.4 | 16 | 14 | | Palmer, Matt | 10 | 0.4 | 6.20 | -0.5 | 22 | 22 | | Spence, Josh | 48 | 0.6 | 5.83 | -2.0 | 20 | 8 | | Street, Huston | 144 | 1.7 | 2.30 | 7.7 | 32 | 7 | | Stults, Eric | 29 | 0.5 | 5.51 | -1.0 | 10 | 7 | | Thatcher, Joe | 141 | 1.4 | 3.24 | 3.5 | 28 | 10 | | Thayer, Dale | 235 | 1.3 | 3.82 | 2.3 | 20 | 4 | | Vincent, Nick | 105 | 0.9 | 3.72 | 1.4 | 26 | 7 |
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