| SP | Martinez, P.Martinez, Pedro † $ >> | 29 | 2000 | R | 100 | 34 | 34 | 21 | 7 | 2.75 | .259 | 1.01 | 7.1 | 2.0 | 9.3 | 248.1 | 197 | 81 | 76 | 32 | 54 | 255 | 7 | 0 | 0 | 1 | 25 | 9 | 3 | 3.38 |
| SP | Duchscherer, J.Duchscherer, Justin >> | 31 | 2008 | R | 84 | 33 | 33 | 11 | 12 | 4.48 | .324 | 1.42 | 9.8 | 3.1 | 6.8 | 190.2 | 206 | 97 | 95 | 35 | 65 | 144 | 1 | 0 | 0 | 0 | 18 | 3 | 1 | 4.95 |
| SP | Bedard, E.Bedard, Erik # >> | 28 | 2007 | L | 80 | 32 | 32 | 13 | 6 | 4.98 | .340 | 1.51 | 9.6 | 4.0 | 10.0 | 170.0 | 181 | 103 | 94 | 26 | 75 | 189 | 1 | 0 | 0 | 1 | 14 | 7 | 3 | 4.21 |
| SP | Greinke, Z.Greinke, Zack # >> | 26 | 2009 | R | 77 | 32 | 32 | 10 | 9 | 7.04 | .357 | 1.65 | 11.7 | 3.3 | 9.6 | 149.2 | 193 | 119 | 117 | 33 | 54 | 159 | 0 | 0 | 0 | 0 | 12 | 2 | 3 | 4.87 |
| RP | Bailey, A.Bailey, Andrew >> | 25 | 2009 | R | 85 | 86 | 0 | 6 | 1 | 1.79 | .262 | 1.04 | 5.5 | 4.0 | 8.5 | 125.2 | 76 | 26 | 25 | 10 | 55 | 118 | 0 | 3 | 2 | 0 | 0 | 3 | 7 | 3.54 |
| RP | Percival, T.Percival, Troy >> | 38 | 2007 | R | 84 | 70 | 0 | 9 | 6 | 3.55 | .287 | 1.16 | 6.8 | 3.8 | 7.9 | 88.2 | 66 | 39 | 35 | 10 | 37 | 77 | 0 | 4 | 1 | 0 | 0 | 4 | 2 | 4.13 |
| RP | Zimmerman, J.Zimmerman, Jeff >> | 29 | 2001 | R | 76 | 61 | 0 | 10 | 2 | 2.99 | .285 | 1.19 | 7.8 | 3.0 | 8.5 | 75.1 | 65 | 26 | 25 | 4 | 25 | 71 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.80 |
| RP | Wheeler, D.Wheeler, Dan >> | 32 | 2009 | R | 67 | 45 | 0 | 7 | 2 | 4.04 | .286 | 1.19 | 8.2 | 2.6 | 8.0 | 55.2 | 50 | 26 | 25 | 9 | 16 | 49 | 0 | 2 | 2 | 0 | 0 | 1 | 7 | 4.27 |
| RP | Thornton, M.Thornton, Matt >> | 32 | 2008 | L | 54 | 46 | 0 | 0 | 2 | 4.37 | .288 | 1.21 | 9.2 | 1.8 | 9.8 | 45.1 | 46 | 25 | 22 | 11 | 9 | 49 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 4.60 |
| CL | Rivera, M.Rivera, Mariano † >> | 39 | 2008 | R | 96 | 58 | 0 | 2 | 0 | 2.03 | .259 | 1.00 | 7.8 | 1.2 | 8.9 | 62.0 | 54 | 15 | 14 | 6 | 8 | 61 | 0 | 38 | 3 | 0 | 0 | 3 | 0 | 2.82 |