| SP | Buchholz, C.Buchholz, Clay >> | 29 | 2013 | R | 75 | 22 | 22 | 13 | 5 | 3.69 | .309 | 1.31 | 8.9 | 2.9 | 6.8 | 144.0 | 142 | 64 | 59 | 13 | 46 | 108 | 1 | 0 | 0 | 1 | 13 | 5 | 0 | 3.74 |
| SP | Morgan, C.Morgan, Cy † >> | 29 | 1907 | R | 83 | 21 | 21 | 15 | 4 | 2.82 | .271 | 1.08 | 6.2 | 3.5 | 4.9 | 150.0 | 103 | 49 | 47 | 13 | 59 | 81 | 5 | 0 | 0 | 0 | 15 | 5 | 4 | 4.33 |
| SP | Steele, E.Steele, Elmer # >> | 22 | 1908 | R | 85 | 21 | 21 | 8 | 9 | 3.54 | .271 | 1.09 | 7.9 | 1.9 | 4.3 | 145.0 | 128 | 62 | 57 | 14 | 30 | 69 | 8 | 0 | 0 | 3 | 12 | 4 | 0 | 4.01 |
| RP | Uehara, K.Uehara, Koji >> | 38 | 2013 | R | 100 | 55 | 0 | 2 | 5 | 2.86 | .257 | 1.02 | 6.9 | 2.3 | 8.2 | 69.1 | 53 | 23 | 22 | 5 | 18 | 63 | 0 | 2 | 3 | 0 | 0 | 1 | 0 | 2.94 |
| RP | Brasier, R.Brasier, Ryan >> | 30 | 2018 | R | 89 | 47 | 0 | 2 | 0 | 1.39 | .208 | 0.75 | 5.6 | 1.2 | 7.3 | 58.1 | 36 | 12 | 9 | 2 | 8 | 47 | 0 | 2 | 2 | 0 | 0 | 2 | 2 | 2.34 |
| RP | Miller, A.Miller, Andrew >> | 29 | 2014 | L | 81 | 53 | 0 | 1 | 1 | 2.05 | .256 | 0.99 | 6.6 | 2.4 | 10.5 | 48.1 | 35 | 11 | 11 | 5 | 13 | 56 | 0 | 2 | 2 | 0 | 0 | 2 | 1 | 2.96 |
| RP | Tazawa, J.Tazawa, Junichi >> | 26 | 2012 | R | 45 | 43 | 0 | 2 | 3 | 5.98 | .327 | 1.44 | 10.8 | 2.3 | 8.0 | 46.2 | 55 | 32 | 31 | 3 | 12 | 41 | 0 | 5 | 1 | 0 | 0 | 1 | 0 | 2.91 |
| RP | Foulke, K.Foulke, Keith >> | 32 | 2004 | R | 51 | 30 | 0 | 7 | 0 | 3.12 | .297 | 1.25 | 8.6 | 2.7 | 6.3 | 43.1 | 41 | 15 | 15 | 4 | 13 | 30 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 3.79 |
| CL | Kimbrel, C.Kimbrel, Craig >> | 29 | 2017 | R | 99 | 41 | 0 | 3 | 2 | 1.55 | .256 | 0.96 | 5.2 | 3.6 | 9.7 | 40.2 | 23 | 8 | 7 | 0 | 16 | 43 | 0 | 17 | 1 | 0 | 0 | 3 | 2 | 2.28 |