| SP | Lincecum, T.Lincecum, Tim >> | 25 | 2009 | R | 92 | 34 | 34 | 10 | 16 | 4.30 | .323 | 1.39 | 8.0 | 4.6 | 9.8 | 234.2 | 207 | 121 | 112 | 21 | 120 | 256 | 4 | 0 | 0 | 1 | 18 | 9 | 9 | 3.63 |
| SP | Hamels, C.Hamels, Cole >> | 25 | 2008 | L | 72 | 31 | 31 | 10 | 13 | 4.84 | .330 | 1.45 | 9.6 | 3.5 | 6.5 | 188.0 | 200 | 102 | 101 | 25 | 73 | 136 | 1 | 0 | 0 | 0 | 12 | 5 | 0 | 4.53 |
| SP | Willis, D.Willis, Dontrelle >> | 23 | 2005 | L | 49 | 30 | 30 | 10 | 11 | 4.32 | .299 | 1.27 | 8.8 | 2.6 | 5.8 | 196.0 | 192 | 99 | 94 | 27 | 56 | 126 | 1 | 0 | 0 | 0 | 15 | 3 | 4 | 4.41 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 26 | 2006 | R | 93 | 89 | 0 | 4 | 6 | 2.98 | .271 | 1.07 | 5.8 | 3.8 | 9.0 | 124.0 | 80 | 41 | 41 | 10 | 53 | 124 | 0 | 11 | 6 | 0 | 0 | 5 | 2 | 3.45 |
| RP | Williamson, S.Williamson, Scott # >> | 26 | 2002 | R | 52 | 58 | 0 | 2 | 9 | 6.05 | .315 | 1.33 | 8.6 | 3.4 | 11.1 | 61.0 | 58 | 41 | 41 | 13 | 23 | 75 | 0 | 9 | 1 | 0 | 0 | 3 | 4 | 4.59 |
| RP | Aardsma, D.Aardsma, David >> | 28 | 2009 | R | 38 | 37 | 0 | 1 | 3 | 3.38 | .320 | 1.41 | 8.0 | 4.8 | 9.4 | 45.1 | 40 | 17 | 17 | 3 | 24 | 47 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 3.38 |
| RP | Hughes, P.Hughes, Philip >> | 23 | 2009 | R | 25 | 37 | 0 | 4 | 3 | 6.34 | .337 | 1.45 | 10.6 | 2.5 | 8.6 | 44.0 | 52 | 31 | 31 | 9 | 12 | 42 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 4.77 |
| SP | Patterson, J.Patterson, John >> | 27 | 2005 | R | 34 | 4 | 4 | 1 | 2 | 4.88 | .327 | 1.46 | 8.3 | 4.9 | 5.6 | 24.0 | 22 | 15 | 13 | 2 | 13 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 4.46 |
| SP | Jurrjens, J.Jurrjens, Jair >> | 23 | 2009 | R | 23 | 13 | 0 | 1 | 1 | 4.76 | .301 | 1.29 | 7.9 | 3.7 | 4.2 | 17.0 | 15 | 10 | 9 | 2 | 7 | 8 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4.82 |