| SP | Flaherty, J.Flaherty, Jack >> | 35 | 2019 | R | 96 | 33 | 33 | 4 | 16 | 4.63 | .315 | 1.33 | 7.7 | 4.4 | 10.1 | 190.1 | 162 | 100 | 98 | 24 | 92 | 214 | 0 | 0 | 0 | 0 | 14 | 9 | 7 | 3.98 |
| SP | Carpenter, C.Carpenter, Chris # >> | 36 | 2009 | R | 89 | 33 | 33 | 13 | 12 | 4.57 | .280 | 1.15 | 8.1 | 2.3 | 6.8 | 220.2 | 199 | 119 | 112 | 37 | 55 | 166 | 6 | 0 | 0 | 2 | 16 | 4 | 2 | 4.48 |
| SP | Martinez, C.Martinez, Carlos # >> | 36 | 2017 | R | 76 | 34 | 32 | 8 | 13 | 5.95 | .327 | 1.42 | 9.1 | 3.7 | 11.1 | 149.2 | 151 | 100 | 99 | 36 | 62 | 183 | 0 | 0 | 1 | 0 | 11 | 5 | 3 | 5.03 |
| SP | Wacha, M.Wacha, Michael >> | 37 | 2018 | R | 62 | 32 | 32 | 6 | 18 | 8.15 | .379 | 1.78 | 9.8 | 6.3 | 8.1 | 141.1 | 154 | 131 | 128 | 37 | 98 | 127 | 0 | 0 | 0 | 0 | 6 | 7 | 4 | 6.84 |
| CL | Hicks, J.Hicks, Jordan † >> | 34 | 2019 | R | 99 | 85 | 0 | 9 | 3 | 2.06 | .266 | 1.06 | 5.9 | 3.7 | 11.0 | 96.1 | 63 | 24 | 22 | 6 | 39 | 117 | 0 | 26 | 3 | 0 | 0 | 3 | 7 | 2.69 |
| RP | Salas, F.Salas, Fernando >> | 30 | 2011 | R | 97 | 96 | 0 | 10 | 6 | 4.37 | .302 | 1.28 | 9.1 | 2.5 | 9.9 | 131.2 | 132 | 66 | 64 | 17 | 37 | 144 | 0 | 4 | 9 | 0 | 0 | 2 | 1 | 3.38 |
| SU | Miller, A.Miller, Andrew >> | 36 | 2014 | L | 93 | 79 | 0 | 4 | 4 | 4.20 | .348 | 1.57 | 7.1 | 7.1 | 13.0 | 81.1 | 64 | 38 | 38 | 12 | 64 | 117 | 0 | 2 | 3 | 0 | 0 | 2 | 3 | 4.48 |
| RP | Miller, T.Miller, Trever >> | 38 | 2009 | L | 86 | 96 | 0 | 6 | 6 | 4.68 | .315 | 1.35 | 9.7 | 2.6 | 10.0 | 109.2 | 117 | 58 | 57 | 17 | 31 | 121 | 0 | 2 | 6 | 0 | 0 | 3 | 3 | 3.74 |
| RP | Siegrist, K.Siegrist, Kevin >> | 29 | 2013 | L | 91 | 95 | 0 | 4 | 2 | 3.80 | .308 | 1.27 | 7.0 | 4.4 | 9.8 | 87.2 | 68 | 38 | 37 | 8 | 43 | 95 | 0 | 3 | 4 | 0 | 0 | 6 | 0 | 3.70 |
| RP | Knebel, C.Knebel, Corey >> | 35 | 2017 | R | 86 | 78 | 0 | 1 | 4 | 4.97 | .332 | 1.48 | 7.9 | 5.4 | 10.7 | 83.1 | 73 | 48 | 46 | 10 | 50 | 99 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 4.02 |
| RP | Flores, R.Flores, Randy >> | 32 | 2007 | L | 38 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Maroth, M.Maroth, Mike >> | 30 | 2007 | L | 6 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Jimenez, K.Jimenez, Kelvin >> | 27 | 2007 | R | 22 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Johnson, T.Johnson, Tyler >> | 26 | 2007 | L | 76 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |