| SP | Dickey, R.Dickey, R.A. >> | 39 | 2012 | R | 98 | 42 | 42 | 15 | 15 | 2.65 | .263 | 1.06 | 7.0 | 2.5 | 6.9 | 289.0 | 226 | 92 | 85 | 23 | 79 | 220 | 7 | 0 | 0 | 4 | 29 | 5 | 5 | 3.38 |
| SP | Harvey, M.Harvey, Matt >> | 24 | 2012 | R | 92 | 42 | 42 | 13 | 14 | 3.54 | .294 | 1.23 | 7.2 | 3.9 | 10.2 | 246.2 | 198 | 97 | 97 | 16 | 106 | 280 | 0 | 0 | 0 | 0 | 21 | 4 | 11 | 2.91 |
| SP | Santana, J.Santana, Johan >> | 34 | 2012 | L | 47 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Ramirez, R.Ramirez, Ramon >> | 32 | 2012 | R | 27 | 74 | 0 | 4 | 4 | 1.77 | .308 | 1.30 | 6.3 | 5.3 | 6.8 | 71.0 | 50 | 15 | 14 | 2 | 42 | 54 | 0 | 6 | 1 | 0 | 0 | 3 | 1 | 3.75 |
| RP | Acosta, M.Acosta, Manny >> | 32 | 2012 | R | 21 | 59 | 0 | 1 | 4 | 4.22 | .331 | 1.45 | 9.1 | 3.9 | 7.6 | 64.0 | 65 | 32 | 30 | 9 | 28 | 54 | 0 | 3 | 3 | 0 | 0 | 2 | 1 | 4.55 |
| RP | Parnell, B.Parnell, Bobby >> | 29 | 2012 | R | 42 | 68 | 0 | 3 | 6 | 3.99 | .333 | 1.45 | 10.2 | 2.9 | 7.3 | 65.1 | 74 | 30 | 29 | 8 | 21 | 53 | 0 | 3 | 4 | 0 | 0 | 3 | 0 | 4.08 |
| RP | Igarashi, R.Igarashi, Ryota >> | 32 | 2011 | R | 16 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Hefner, J.Hefner, Jeremy >> | 27 | 2012 | R | 34 | 10 | 0 | 5 | 1 | 2.93 | .343 | 1.50 | 12.0 | 1.8 | 6.6 | 15.1 | 20 | 5 | 5 | 0 | 3 | 11 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 2.33 |
| RP | Buchholz, T.Buchholz, Taylor >> | 30 | 2011 | R | 82 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Pelfrey, M.Pelfrey, Mike >> | 27 | 2011 | R | 18 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Carrasco, D.Carrasco, D.J. >> | 34 | 2011 | R | 5 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |