| SP | Johnson, J.Johnson, Josh >> | 25 | 2009 | R | 89 | 10 | 10 | 4 | 4 | 3.54 | .309 | 1.28 | 7.5 | 4.1 | 6.5 | 68.2 | 57 | 30 | 27 | 7 | 31 | 49 | 0 | 0 | 0 | 0 | 6 | 4 | 3 | 4.44 |
| SP | Ohlendorf, R.Ohlendorf, Ross >> | 27 | 2009 | R | 68 | 10 | 10 | 3 | 2 | 5.67 | .354 | 1.62 | 11.4 | 3.3 | 6.6 | 60.1 | 76 | 43 | 38 | 13 | 22 | 44 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 5.50 |
| SP | Johnson, R.Johnson, Randy # >> | 46 | 2009 | L | 45 | 9 | 9 | 1 | 3 | 6.47 | .339 | 1.51 | 10.8 | 2.9 | 7.7 | 40.1 | 48 | 33 | 29 | 6 | 13 | 34 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4.30 |
| SP | de la Rosa, J.de la Rosa, Jorge >> | 28 | 2009 | L | 44 | 10 | 9 | 3 | 3 | 5.24 | .353 | 1.64 | 10.8 | 4.1 | 11.3 | 46.1 | 55 | 27 | 27 | 5 | 21 | 58 | 0 | 0 | 0 | 0 | 3 | 0 | 6 | 3.26 |
| RP | Rhodes, A.Rhodes, Arthur >> | 40 | 2009 | L | 86 | 35 | 0 | 2 | 0 | 2.67 | .314 | 1.33 | 6.3 | 5.7 | 7.0 | 27.0 | 19 | 8 | 8 | 4 | 17 | 21 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 5.37 |
| RP | Clippard, T.Clippard, Tyler >> | 24 | 2009 | R | 85 | 34 | 0 | 2 | 0 | 4.88 | .333 | 1.47 | 9.3 | 4.1 | 7.8 | 31.1 | 32 | 20 | 17 | 2 | 14 | 27 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 3.55 |