| SP | Harden, R.Harden, Rich >> | 27 | 2008 | R | 95 | 14 | 14 | 5 | 3 | 3.78 | .321 | 1.37 | 7.6 | 4.8 | 10.3 | 81.0 | 68 | 34 | 34 | 9 | 43 | 93 | 0 | 0 | 0 | 0 | 7 | 4 | 2 | 3.89 |
| SP | Duchscherer, J.Duchscherer, Justin # >> | 31 | 2008 | R | 84 | 13 | 13 | 6 | 5 | 4.38 | .292 | 1.17 | 8.3 | 2.3 | 6.5 | 76.0 | 70 | 38 | 37 | 12 | 19 | 55 | 0 | 0 | 0 | 0 | 9 | 5 | 1 | 4.55 |
| SP | Greinke, Z.Greinke, Zack >> | 26 | 2009 | R | 77 | 13 | 13 | 5 | 2 | 4.80 | .330 | 1.43 | 10.3 | 2.5 | 7.9 | 75.0 | 86 | 44 | 40 | 4 | 21 | 66 | 1 | 0 | 0 | 0 | 7 | 4 | 4 | 2.93 |
| SP | Perez, O.Perez, Oliver >> | 23 | 2004 | L | 76 | 12 | 12 | 3 | 3 | 5.14 | .323 | 1.35 | 8.3 | 4.0 | 8.8 | 75.1 | 69 | 45 | 43 | 14 | 33 | 73 | 1 | 0 | 0 | 0 | 7 | 6 | 1 | 5.04 |
| RP | Springer, R.Springer, Russ >> | 39 | 2007 | R | 79 | 32 | 0 | 1 | 2 | 3.11 | .252 | 0.96 | 5.4 | 3.4 | 8.3 | 37.2 | 22 | 13 | 13 | 3 | 14 | 34 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 3.51 |
| RP | Hoffman, T.Hoffman, Trevor >> | 42 | 2009 | R | 72 | 23 | 0 | 2 | 4 | 5.40 | .312 | 1.32 | 8.3 | 3.6 | 7.6 | 25.0 | 23 | 15 | 15 | 4 | 10 | 21 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 4.72 |
| RP | Rodriguez, F.Rodriguez, Francisco >> | 22 | 2004 | R | 70 | 19 | 0 | 0 | 0 | 3.09 | .346 | 1.54 | 8.2 | 5.9 | 10.6 | 23.1 | 21 | 8 | 8 | 3 | 15 | 27 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.43 |
| RP | Valverde, J.Valverde, Jose >> | 24 | 2003 | R | 80 | 17 | 0 | 2 | 1 | 0.89 | .247 | 0.98 | 5.9 | 3.2 | 11.3 | 20.1 | 13 | 2 | 2 | 1 | 7 | 25 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2.20 |
| SU | Marmol, C.Marmol, Carlos >> | 26 | 2008 | R | 86 | 21 | 0 | 1 | 1 | 4.03 | .330 | 1.48 | 7.8 | 5.7 | 9.0 | 22.1 | 19 | 10 | 10 | 2 | 14 | 22 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 4.09 |