| SP | Vazquez, J.Vazquez, Javier >> | 33 | 2009 | R | 87 | 8 | 8 | 4 | 3 | 4.06 | .298 | 1.25 | 8.8 | 2.5 | 9.2 | 51.0 | 50 | 25 | 23 | 9 | 14 | 52 | 1 | 0 | 0 | 0 | 4 | 1 | 1 | 4.14 |
| SP | Greinke, Z.Greinke, Zack # >> | 26 | 2009 | R | 76 | 8 | 8 | 4 | 2 | 5.55 | .336 | 1.50 | 9.9 | 3.8 | 9.0 | 48.2 | 53 | 30 | 30 | 7 | 20 | 48 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 4.21 |
| RP | Bailey, A.Bailey, Andrew >> | 25 | 2009 | R | 86 | 22 | 0 | 3 | 0 | 4.50 | .313 | 1.36 | 7.8 | 4.5 | 8.6 | 22.0 | 19 | 11 | 11 | 1 | 11 | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.18 |
| RP | Hoffman, T.Hoffman, Trevor >> | 42 | 2009 | R | 72 | 17 | 0 | 2 | 1 | 1.80 | .227 | 0.88 | 5.4 | 2.5 | 6.1 | 25.0 | 15 | 5 | 5 | 1 | 7 | 17 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 3.00 |
| RP | Isringhausen, J.Isringhausen, Jason >> | 30 | 2002 | R | 54 | 11 | 0 | 0 | 1 | 1.38 | .278 | 1.15 | 6.2 | 4.2 | 10.4 | 13.0 | 9 | 2 | 2 | 0 | 6 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.08 |