| SP | Lincecum, T.Lincecum, Tim >> | 25 | 2009 | R | 92 | 8 | 8 | 3 | 3 | 3.79 | .321 | 1.37 | 7.6 | 4.7 | 9.9 | 57.0 | 48 | 25 | 24 | 0 | 30 | 63 | 1 | 0 | 0 | 1 | 3 | 3 | 3 | 2.53 |
| SP | Hamels, C.Hamels, Cole >> | 25 | 2008 | L | 72 | 7 | 7 | 3 | 1 | 4.26 | .281 | 1.15 | 7.4 | 3.1 | 5.7 | 44.1 | 36 | 21 | 21 | 4 | 15 | 28 | 1 | 0 | 0 | 0 | 3 | 1 | 0 | 4.00 |
| SP | Willis, D.Willis, Dontrelle >> | 23 | 2005 | L | 49 | 7 | 7 | 4 | 0 | 3.64 | .302 | 1.28 | 9.2 | 2.3 | 7.5 | 47.0 | 48 | 19 | 19 | 5 | 12 | 39 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 3.55 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 26 | 2006 | R | 93 | 20 | 0 | 2 | 2 | 3.42 | .282 | 1.14 | 7.3 | 3.1 | 8.0 | 26.1 | 21 | 10 | 10 | 2 | 9 | 23 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 3.38 |
| RP | Williamson, S.Williamson, Scott >> | 26 | 2002 | R | 52 | 12 | 0 | 0 | 1 | 2.87 | .299 | 1.15 | 7.2 | 3.6 | 10.2 | 15.2 | 12 | 5 | 5 | 1 | 6 | 17 | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 3.20 |
| RP | Aardsma, D.Aardsma, David >> | 28 | 2009 | R | 38 | 9 | 0 | 1 | 1 | 3.18 | .292 | 1.24 | 8.2 | 3.3 | 9.8 | 11.1 | 10 | 4 | 4 | 1 | 4 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.09 |
| RP | Hughes, P.Hughes, Philip >> | 23 | 2009 | R | 25 | 9 | 0 | 0 | 2 | 8.22 | .378 | 1.70 | 12.9 | 3.9 | 10.3 | 7.2 | 10 | 7 | 7 | 0 | 3 | 8 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 2.43 |
| SP | Patterson, J.Patterson, John >> | 27 | 2005 | R | 34 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Jurrjens, J.Jurrjens, Jair >> | 23 | 2009 | R | 23 | 2 | 0 | 0 | 0 | 3.86 | .364 | 1.71 | 9.0 | 9.0 | 0.0 | 2.1 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6.00 |