| SP | Richard, J.Richard, J.R. >> | 30 | 1980 | R | 90 | 29 | 29 | 9 | 11 | 4.21 | .317 | 1.38 | 8.2 | 4.2 | 7.5 | 173.1 | 158 | 87 | 81 | 14 | 81 | 144 | 1 | 0 | 0 | 0 | 16 | 2 | 2 | 3.83 |
| SP | Reulbach, E.Reulbach, Ed # >> | 24 | 1906 | R | 61 | 28 | 28 | 15 | 6 | 3.09 | .279 | 1.14 | 6.7 | 3.6 | 4.2 | 195.0 | 146 | 71 | 67 | 11 | 77 | 92 | 3 | 0 | 0 | 0 | 20 | 3 | 3 | 4.02 |
| SP | Lundgren, C.Lundgren, Carl † >> | 27 | 1907 | R | 43 | 26 | 26 | 16 | 6 | 3.54 | .287 | 1.19 | 6.8 | 4.0 | 4.2 | 168.0 | 126 | 70 | 66 | 15 | 74 | 79 | 6 | 0 | 0 | 3 | 16 | 3 | 3 | 4.60 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 67 | 0 | 7 | 4 | 2.53 | .240 | 0.95 | 5.4 | 3.2 | 8.3 | 92.2 | 55 | 27 | 26 | 6 | 33 | 85 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 3.08 |
| RP | Soriano, R.Soriano, Rafael >> | 24 | 2003 | R | 84 | 50 | 0 | 6 | 2 | 3.55 | .304 | 1.31 | 8.3 | 3.6 | 8.1 | 63.1 | 58 | 28 | 25 | 4 | 25 | 57 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.21 |
| RP | Balfour, G.Balfour, Grant >> | 31 | 2008 | R | 76 | 36 | 0 | 1 | 1 | 3.13 | .274 | 1.11 | 5.3 | 4.7 | 6.3 | 46.0 | 27 | 17 | 16 | 3 | 24 | 32 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 4.09 |
| RP | Marmol, C.Marmol, Carlos >> | 26 | 2008 | R | 71 | 24 | 0 | 1 | 0 | 4.15 | .293 | 1.25 | 7.7 | 3.9 | 8.1 | 21.2 | 18 | 10 | 10 | 5 | 9 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5.57 |
| RP | Orosco, J.Orosco, Jesse >> | 26 | 1983 | L | 25 | 28 | 0 | 3 | 0 | 1.88 | .223 | 0.86 | 4.8 | 2.9 | 5.4 | 43.0 | 23 | 12 | 9 | 0 | 14 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2.77 |
| CL | Kimbrel, C.Kimbrel, Craig † >> | 24 | 2012 | R | 100 | 59 | 0 | 5 | 3 | 1.93 | .258 | 1.04 | 6.4 | 3.0 | 8.4 | 65.1 | 46 | 15 | 14 | 4 | 22 | 61 | 0 | 35 | 1 | 0 | 0 | 0 | 1 | 2.94 |