| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 96 | 36 | 36 | 20 | 10 | 3.84 | .286 | 1.17 | 7.9 | 2.6 | 10.9 | 248.1 | 219 | 112 | 106 | 25 | 72 | 301 | 5 | 0 | 0 | 1 | 22 | 8 | 5 | 2.85 |
| SP | Darvish, Y.Darvish, Yu >> | 26 | 2013 | R | 80 | 35 | 35 | 16 | 10 | 4.10 | .324 | 1.41 | 8.5 | 4.2 | 10.1 | 223.2 | 211 | 108 | 102 | 28 | 104 | 250 | 1 | 0 | 0 | 0 | 19 | 6 | 4 | 3.87 |
| SP | Bauer, T.Bauer, Trevor # >> | 27 | 2018 | R | 61 | 34 | 33 | 7 | 17 | 6.55 | .354 | 1.62 | 11.3 | 3.3 | 10.0 | 173.0 | 218 | 130 | 126 | 37 | 63 | 193 | 1 | 0 | 0 | 0 | 11 | 3 | 12 | 4.69 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 46 | 33 | 33 | 12 | 11 | 4.81 | .331 | 1.45 | 9.3 | 3.8 | 8.7 | 183.1 | 189 | 104 | 98 | 31 | 77 | 177 | 0 | 0 | 0 | 0 | 15 | 6 | 2 | 4.63 |
| SP | Zimmermann, J.Zimmermann, Jordan >> | 28 | 2014 | R | 36 | 31 | 31 | 12 | 7 | 5.27 | .334 | 1.47 | 11.2 | 2.0 | 7.5 | 186.0 | 231 | 117 | 109 | 28 | 42 | 155 | 0 | 0 | 0 | 0 | 11 | 7 | 1 | 4.08 |
| RP | Benoit, J.Benoit, Joaquin >> | 33 | 2010 | R | 95 | 102 | 0 | 5 | 7 | 4.06 | .287 | 1.19 | 8.0 | 2.8 | 10.5 | 137.1 | 122 | 63 | 62 | 20 | 42 | 160 | 0 | 10 | 3 | 0 | 0 | 2 | 1 | 3.53 |
| RP | Parker, B.Parker, Blake >> | 32 | 2017 | R | 78 | 83 | 0 | 10 | 2 | 3.04 | .278 | 1.09 | 7.2 | 2.7 | 10.0 | 112.1 | 89 | 38 | 38 | 16 | 34 | 124 | 0 | 4 | 8 | 0 | 0 | 7 | 4 | 3.74 |
| RP | McHugh, C.McHugh, Collin † # >> | 31 | 2018 | R | 64 | 87 | 0 | 5 | 4 | 4.63 | .303 | 1.27 | 8.1 | 3.3 | 10.9 | 105.0 | 94 | 54 | 54 | 16 | 39 | 127 | 0 | 19 | 0 | 0 | 0 | 4 | 0 | 3.79 |
| RP | Rivero, F.Rivero, Felipe >> | 27 | 2019 | L | 47 | 59 | 0 | 7 | 2 | 3.58 | .307 | 1.26 | 8.6 | 2.7 | 10.7 | 73.0 | 70 | 29 | 29 | 11 | 22 | 87 | 0 | 4 | 3 | 0 | 0 | 5 | 5 | 3.68 |
| RP | Smith, C.Smith, Carson >> | 25 | 2015 | R | 37 | 53 | 0 | 3 | 1 | 2.30 | .302 | 1.28 | 6.8 | 4.8 | 9.3 | 58.2 | 44 | 15 | 15 | 1 | 31 | 60 | 0 | 5 | 1 | 0 | 0 | 1 | 7 | 2.81 |