| SP | Martinez, P.Martinez, Pedro >> | 29 | 2000 | R | 100 | 29 | 29 | 13 | 9 | 3.35 | .288 | 1.19 | 7.5 | 3.2 | 8.9 | 228.1 | 190 | 88 | 85 | 26 | 81 | 226 | 10 | 0 | 0 | 2 | 15 | 6 | 0 | 3.64 |
| SP | Cicotte, E.Cicotte, Eddie # >> | 33 | 1917 | R | 73 | 27 | 27 | 12 | 11 | 4.21 | .289 | 1.18 | 9.0 | 1.6 | 4.6 | 199.0 | 199 | 95 | 93 | 21 | 36 | 101 | 8 | 0 | 0 | 0 | 14 | 8 | 1 | 4.02 |
| RP | Street, H.Street, Huston >> | 29 | 2012 | R | 96 | 66 | 0 | 5 | 2 | 2.40 | .268 | 1.09 | 5.7 | 4.2 | 7.6 | 86.1 | 54 | 31 | 23 | 7 | 40 | 73 | 0 | 10 | 2 | 0 | 0 | 1 | 0 | 3.79 |
| RP | Balfour, G.Balfour, Grant # >> | 31 | 2008 | R | 75 | 60 | 0 | 6 | 5 | 4.16 | .291 | 1.21 | 6.8 | 4.1 | 8.9 | 71.1 | 54 | 33 | 33 | 7 | 32 | 70 | 0 | 12 | 3 | 0 | 0 | 2 | 0 | 3.75 |
| RP | Valverde, J.Valverde, Jose >> | 24 | 2003 | R | 63 | 35 | 0 | 2 | 2 | 6.03 | .374 | 1.79 | 8.3 | 8.0 | 8.5 | 37.1 | 34 | 25 | 25 | 3 | 33 | 35 | 0 | 4 | 2 | 0 | 0 | 0 | 2 | 4.84 |
| RP | Messersmith, A.Messersmith, Andy >> | 23 | 1968 | R | 57 | 20 | 0 | 5 | 4 | 5.20 | .297 | 1.21 | 7.5 | 3.5 | 6.8 | 36.1 | 30 | 21 | 21 | 6 | 14 | 27 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 5.00 |
| RP | O'Day, D.O'Day, Darren >> | 28 | 2010 | R | 50 | 19 | 0 | 1 | 1 | 4.63 | .327 | 1.41 | 10.2 | 2.7 | 4.3 | 23.1 | 26 | 13 | 12 | 1 | 7 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.65 |
| SP | Camnitz, H.Camnitz, Howie >> | 28 | 1909 | R | 57 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Coveleski, S.Coveleski, Stan >> | 28 | 1917 | R | 62 | 1 | 0 | 0 | 0 | 0.00 | .000 | 0.00 | - | - | - | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |