| SP | Carpenter, C.Carpenter, Chris >> | 34 | 2009 | R | 96 | 24 | 24 | 7 | 14 | 4.13 | .305 | 1.29 | 9.3 | 2.4 | 6.9 | 167.2 | 173 | 84 | 77 | 14 | 44 | 128 | 5 | 0 | 0 | 1 | 12 | 4 | 3 | 3.42 |
| SP | Ohlendorf, R.Ohlendorf, Ross >> | 27 | 2009 | R | 68 | 23 | 23 | 8 | 11 | 5.40 | .334 | 1.48 | 10.4 | 2.9 | 6.9 | 135.0 | 156 | 81 | 81 | 17 | 44 | 103 | 0 | 0 | 0 | 0 | 8 | 3 | 1 | 4.16 |
| SP | Nolasco, R.Nolasco, Ricky >> | 27 | 2009 | R | 63 | 22 | 22 | 8 | 3 | 5.52 | .339 | 1.52 | 11.2 | 2.5 | 10.9 | 119.0 | 148 | 75 | 73 | 22 | 33 | 144 | 0 | 0 | 0 | 0 | 9 | 2 | 4 | 3.87 |
| SP | Arroyo, B.Arroyo, Bronson # >> | 32 | 2009 | R | 60 | 22 | 22 | 9 | 10 | 4.18 | .282 | 1.14 | 8.0 | 2.3 | 6.1 | 148.2 | 132 | 72 | 69 | 23 | 38 | 100 | 5 | 0 | 0 | 2 | 13 | 5 | 1 | 4.54 |
| SP | Anderson, B.Anderson, Brett >> | 21 | 2009 | L | 52 | 22 | 22 | 8 | 8 | 5.73 | .337 | 1.51 | 10.8 | 2.8 | 6.7 | 119.1 | 143 | 78 | 76 | 18 | 37 | 88 | 0 | 0 | 0 | 0 | 8 | 2 | 0 | 4.47 |
| RP | Adams, M.Adams, Mike † >> | 31 | 2009 | R | 100 | 61 | 0 | 3 | 2 | 1.54 | .211 | 0.80 | 4.4 | 2.9 | 8.8 | 93.2 | 45 | 17 | 16 | 4 | 30 | 91 | 0 | 7 | 0 | 0 | 0 | 0 | 3 | 2.57 |
| RP | Calero, K.Calero, Kiko >> | 34 | 2009 | R | 92 | 39 | 0 | 2 | 2 | 3.42 | .304 | 1.31 | 8.2 | 3.6 | 10.5 | 47.1 | 43 | 20 | 18 | 1 | 19 | 55 | 0 | 3 | 1 | 0 | 0 | 0 | 1 | 2.15 |
| RP | Clippard, T.Clippard, Tyler >> | 24 | 2009 | R | 85 | 31 | 0 | 3 | 3 | 3.89 | .362 | 1.70 | 8.5 | 6.9 | 10.2 | 39.1 | 37 | 22 | 17 | 5 | 30 | 44 | 0 | 2 | 4 | 0 | 0 | 0 | 0 | 4.72 |
| RP | Guerrier, M.Guerrier, Matt # >> | 31 | 2009 | R | 80 | 28 | 0 | 0 | 2 | 5.90 | .356 | 1.66 | 11.2 | 3.7 | 7.1 | 29.0 | 36 | 19 | 19 | 3 | 12 | 23 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 4.00 |
| SP | Bergesen, B.Bergesen, Brad >> | 23 | 2009 | R | 40 | 6 | 0 | 0 | 2 | 12.15 | .429 | 2.25 | 21.0 | 1.5 | 10.5 | 6.2 | 14 | 9 | 9 | 2 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.50 |