| SP | Scherzer, M.Scherzer, Max >> | 33 | 2017 | R | 99 | 34 | 34 | 13 | 10 | 4.17 | .319 | 1.36 | 8.5 | 3.8 | 10.2 | 229.0 | 216 | 109 | 106 | 36 | 96 | 260 | 0 | 0 | 0 | 0 | 18 | 10 | 3 | 4.16 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 96 | 33 | 33 | 8 | 17 | 5.37 | .317 | 1.36 | 9.7 | 2.5 | 10.6 | 223.0 | 240 | 138 | 133 | 45 | 63 | 263 | 3 | 0 | 0 | 0 | 14 | 7 | 4 | 4.21 |
| SP | Richards, G.Richards, Garrett # >> | 26 | 2014 | R | 72 | 32 | 32 | 9 | 17 | 5.04 | .337 | 1.51 | 9.9 | 3.7 | 8.4 | 209.0 | 231 | 124 | 117 | 31 | 85 | 195 | 1 | 0 | 0 | 1 | 14 | 3 | 22 | 4.33 |
| SP | Keuchel, D.Keuchel, Dallas # >> | 27 | 2015 | L | 67 | 32 | 32 | 10 | 14 | 5.18 | .330 | 1.45 | 10.4 | 2.7 | 7.7 | 222.1 | 256 | 139 | 128 | 38 | 66 | 189 | 6 | 0 | 0 | 2 | 11 | 6 | 7 | 4.50 |
| SP | Lackey, J.Lackey, John >> | 38 | 2016 | R | 59 | 32 | 31 | 8 | 13 | 7.14 | .363 | 1.68 | 11.3 | 3.9 | 7.8 | 184.0 | 230 | 150 | 146 | 32 | 80 | 159 | 0 | 0 | 0 | 0 | 10 | 5 | 9 | 4.92 |
| RP | Jansen, K.Jansen, Kenley >> | 28 | 2016 | R | 98 | 93 | 0 | 5 | 1 | 3.01 | .295 | 1.23 | 8.8 | 2.3 | 11.3 | 119.2 | 117 | 41 | 40 | 12 | 30 | 150 | 0 | 11 | 5 | 0 | 0 | 3 | 2 | 2.62 |
| RP | Robertson, D.Robertson, David >> | 32 | 2017 | R | 86 | 76 | 0 | 6 | 6 | 4.58 | .316 | 1.36 | 7.6 | 4.7 | 10.2 | 90.1 | 76 | 46 | 46 | 12 | 47 | 102 | 0 | 7 | 3 | 0 | 0 | 2 | 9 | 4.10 |
| RP | Miller, A.Miller, Andrew >> | 30 | 2015 | L | 85 | 57 | 0 | 3 | 5 | 4.73 | .347 | 1.56 | 8.6 | 5.6 | 9.7 | 64.2 | 61 | 37 | 34 | 13 | 40 | 69 | 0 | 7 | 5 | 0 | 0 | 2 | 2 | 5.45 |
| RP | Parker, B.Parker, Blake >> | 32 | 2017 | R | 78 | 47 | 0 | 2 | 5 | 3.67 | .262 | 1.05 | 6.4 | 3.1 | 10.0 | 56.1 | 40 | 27 | 23 | 6 | 19 | 62 | 0 | 3 | 2 | 0 | 0 | 1 | 3 | 3.25 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 73 | 28 | 0 | 1 | 4 | 4.94 | .321 | 1.39 | 8.7 | 3.8 | 9.9 | 31.0 | 30 | 19 | 17 | 8 | 13 | 34 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 5.52 |
| RP | Salas, F.Salas, Fernando >> | 26 | 2011 | R | 43 | 28 | 0 | 2 | 1 | 5.17 | .333 | 1.40 | 9.9 | 2.9 | 9.6 | 31.1 | 34 | 19 | 18 | 4 | 10 | 33 | 0 | 1 | 0 | 0 | 0 | 3 | 2 | 3.81 |
| SP | Kennedy, I.Kennedy, Ian >> | 27 | 2011 | R | 43 | 8 | 0 | 1 | 1 | 11.57 | .447 | 2.29 | 16.7 | 3.9 | 5.1 | 7.0 | 13 | 9 | 9 | 1 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 5.43 |