| SP | Lincecum, T.Lincecum, Tim >> | 25 | 2009 | R | 100 | 24 | 24 | 10 | 6 | 3.53 | .304 | 1.29 | 8.2 | 3.4 | 10.3 | 165.2 | 150 | 65 | 65 | 15 | 63 | 188 | 3 | 0 | 0 | 1 | 13 | 4 | 4 | 3.12 |
| SP | Johnson, J.Johnson, Josh >> | 25 | 2009 | R | 89 | 23 | 23 | 10 | 9 | 4.33 | .294 | 1.23 | 8.4 | 2.6 | 7.5 | 160.0 | 150 | 81 | 77 | 21 | 47 | 134 | 2 | 0 | 0 | 1 | 12 | 3 | 4 | 3.97 |
| SP | Washburn, J.Washburn, Jarrod # >> | 35 | 2009 | L | 78 | 22 | 22 | 8 | 5 | 3.32 | .280 | 1.14 | 8.3 | 2.1 | 6.2 | 157.1 | 144 | 63 | 58 | 24 | 36 | 109 | 2 | 0 | 0 | 1 | 15 | 4 | 4 | 4.36 |
| SP | Blanton, J.Blanton, Joe >> | 29 | 2009 | R | 46 | 23 | 22 | 9 | 9 | 5.20 | .323 | 1.42 | 9.3 | 3.5 | 6.9 | 126.1 | 130 | 73 | 73 | 15 | 49 | 97 | 3 | 0 | 0 | 2 | 9 | 2 | 3 | 4.22 |
| RP | O'Day, D.O'Day, Darren >> | 27 | 2009 | R | 89 | 70 | 0 | 6 | 2 | 3.36 | .294 | 1.25 | 7.1 | 4.3 | 6.9 | 61.2 | 48 | 23 | 23 | 6 | 29 | 47 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 4.16 |
| RP | Masset, N.Masset, Nick >> | 27 | 2009 | R | 88 | 58 | 0 | 1 | 2 | 2.86 | .316 | 1.34 | 8.0 | 4.1 | 7.4 | 44.0 | 39 | 16 | 14 | 6 | 20 | 36 | 0 | 3 | 0 | 0 | 0 | 2 | 1 | 4.64 |
| RP | Thornton, M.Thornton, Matt >> | 33 | 2009 | L | 82 | 72 | 0 | 0 | 6 | 4.42 | .287 | 1.17 | 7.5 | 3.1 | 10.7 | 53.0 | 44 | 26 | 26 | 7 | 18 | 63 | 0 | 5 | 3 | 0 | 0 | 2 | 3 | 3.47 |
| RP | Choate, R.Choate, Randy # >> | 34 | 2009 | L | 73 | 50 | 0 | 0 | 3 | 4.99 | .333 | 1.47 | 8.7 | 4.8 | 7.5 | 30.2 | 29 | 19 | 17 | 4 | 16 | 25 | 0 | 6 | 0 | 0 | 0 | 1 | 0 | 4.77 |
| RP | DiFelice, M.DiFelice, Mark >> | 33 | 2009 | R | 32 | 34 | 0 | 1 | 1 | 4.58 | .298 | 1.27 | 8.5 | 3.1 | 6.7 | 35.1 | 33 | 18 | 18 | 4 | 12 | 26 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 4.03 |
| SP | Shields, J.Shields, James >> | 28 | 2009 | R | 34 | 11 | 2 | 3 | 2 | 5.55 | .330 | 1.44 | 9.8 | 3.4 | 4.5 | 24.1 | 26 | 15 | 15 | 2 | 9 | 12 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4.33 |