| SP | Shields, J.Shields, James † >> | 30 | 2011 | R | 94 | 32 | 32 | 15 | 10 | 2.72 | .282 | 1.14 | 7.8 | 2.5 | 6.8 | 257.2 | 223 | 85 | 78 | 15 | 71 | 193 | 12 | 0 | 0 | 4 | 24 | 9 | 7 | 3.19 |
| SP | Lincecum, T.Lincecum, Tim # >> | 27 | 2011 | R | 80 | 31 | 31 | 10 | 14 | 4.45 | .305 | 1.29 | 8.5 | 3.1 | 8.6 | 198.0 | 187 | 98 | 98 | 18 | 68 | 190 | 1 | 0 | 0 | 0 | 18 | 6 | 4 | 3.38 |
| SP | Hudson, D.Hudson, Daniel >> | 24 | 2011 | R | 53 | 31 | 31 | 10 | 13 | 4.94 | .332 | 1.46 | 9.8 | 3.5 | 6.5 | 198.2 | 215 | 114 | 109 | 32 | 76 | 144 | 4 | 0 | 0 | 0 | 14 | 5 | 3 | 4.87 |
| SP | Bedard, E.Bedard, Erik >> | 32 | 2011 | L | 52 | 31 | 31 | 9 | 11 | 4.80 | .329 | 1.45 | 10.1 | 3.0 | 7.1 | 176.1 | 197 | 94 | 94 | 25 | 59 | 138 | 0 | 0 | 0 | 0 | 14 | 3 | 5 | 4.34 |
| SP | Chacin, J.Chacin, Jhoulys # >> | 23 | 2011 | R | 46 | 29 | 29 | 10 | 10 | 4.83 | .326 | 1.42 | 9.1 | 3.7 | 6.4 | 179.0 | 180 | 99 | 96 | 23 | 74 | 128 | 0 | 0 | 0 | 0 | 14 | 6 | 4 | 4.58 |
| RP | Alburquerque, A.Alburquerque, Al >> | 25 | 2011 | R | 74 | 82 | 0 | 5 | 3 | 3.02 | .277 | 1.13 | 6.0 | 4.2 | 11.5 | 83.1 | 55 | 28 | 28 | 1 | 39 | 106 | 0 | 12 | 3 | 0 | 0 | 2 | 7 | 2.08 |
| RP | Johnson, J.Johnson, Jim >> | 28 | 2011 | R | 44 | 63 | 0 | 7 | 6 | 3.64 | .324 | 1.41 | 9.8 | 3.0 | 5.8 | 71.2 | 77 | 29 | 29 | 4 | 24 | 46 | 0 | 11 | 5 | 0 | 0 | 2 | 2 | 3.54 |
| RP | Pauley, D.Pauley, David >> | 28 | 2011 | R | 32 | 40 | 0 | 2 | 4 | 5.24 | .348 | 1.60 | 9.3 | 5.3 | 6.1 | 34.1 | 35 | 21 | 20 | 5 | 20 | 23 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 5.32 |
| RP | Perkins, G.Perkins, Glen >> | 28 | 2011 | L | 20 | 100 | 0 | 2 | 3 | 3.77 | .313 | 1.35 | 8.2 | 4.1 | 8.2 | 71.2 | 65 | 30 | 30 | 7 | 32 | 65 | 0 | 6 | 2 | 0 | 0 | 1 | 3 | 3.85 |
| SP | Carpenter, C.Carpenter, Chris >> | 36 | 2011 | R | 41 | 2 | 1 | 0 | 1 | 5.19 | .278 | 1.15 | 10.1 | 1.1 | 10.1 | 8.2 | 9 | 5 | 5 | 2 | 1 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.38 |
| SP | Saunders, J.Saunders, Joe >> | 30 | 2011 | L | 30 | 14 | 0 | 0 | 2 | 4.19 | .301 | 1.24 | 7.1 | 4.3 | 3.8 | 19.1 | 15 | 9 | 9 | 2 | 9 | 8 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 5.11 |