| SP | Walsh, E.Walsh, Ed † $ >> | 29 | 1910 | R | 93 | 32 | 32 | 16 | 12 | 3.81 | .298 | 1.25 | 8.0 | 3.3 | 4.8 | 231.1 | 205 | 99 | 98 | 19 | 85 | 123 | 9 | 0 | 0 | 1 | 20 | 4 | 4 | 4.16 |
| SP | Joss, A.Joss, Addie $$ >> | 28 | 1908 | R | 83 | 31 | 31 | 18 | 5 | 3.94 | .288 | 1.21 | 8.8 | 2.1 | 3.7 | 228.2 | 224 | 107 | 100 | 25 | 53 | 93 | 6 | 0 | 0 | 2 | 19 | 1 | 4 | 4.32 |
| SP | Johnson, R.Johnson, Randy # >> | 41 | 2004 | L | 84 | 30 | 30 | 18 | 7 | 4.23 | .278 | 1.14 | 8.4 | 1.8 | 8.0 | 219.1 | 204 | 105 | 103 | 32 | 45 | 194 | 5 | 0 | 0 | 1 | 17 | 4 | 4 | 3.80 |
| SP | Cole, G.Cole, Gerrit # >> | 28 | 2019 | R | 91 | 31 | 31 | 10 | 11 | 4.86 | .332 | 1.47 | 9.5 | 3.8 | 10.0 | 194.1 | 205 | 106 | 105 | 26 | 81 | 216 | 1 | 0 | 0 | 1 | 16 | 4 | 3 | 3.83 |
| CL | Kimbrel, C.Kimbrel, Craig † >> | 24 | 2012 | R | 100 | 57 | 0 | 2 | 5 | 3.09 | .297 | 1.27 | 5.9 | 5.5 | 10.7 | 64.0 | 42 | 23 | 22 | 6 | 39 | 76 | 0 | 35 | 4 | 0 | 0 | 0 | 6 | 3.67 |
| RP | Eichhorn, M.Eichhorn, Mark >> | 26 | 1986 | R | 48 | 47 | 0 | 8 | 3 | 3.36 | .298 | 1.27 | 8.1 | 3.4 | 8.5 | 59.0 | 53 | 22 | 22 | 5 | 22 | 56 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 3.32 |
| RP | Devine, J.Devine, Joey >> | 25 | 2008 | R | 81 | 24 | 0 | 2 | 3 | 3.60 | .286 | 1.20 | 6.8 | 4.0 | 7.2 | 25.0 | 19 | 12 | 10 | 1 | 11 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.24 |
| RP | Bailey, A.Bailey, Andrew >> | 25 | 2009 | R | 66 | 27 | 0 | 0 | 2 | 5.27 | .369 | 1.65 | 10.7 | 4.3 | 7.7 | 27.1 | 32 | 16 | 16 | 2 | 13 | 23 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 4.04 |
| SP | Darvish, Y.Darvish, Yu >> | 26 | 2013 | R | 45 | 12 | 0 | 1 | 0 | 7.84 | .360 | 1.68 | 9.9 | 5.5 | 9.4 | 51.2 | 56 | 46 | 45 | 10 | 31 | 53 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.29 |