| SP | Buehler, W.Buehler, Walker # >> | 23 | 2018 | R | 90 | 27 | 27 | 4 | 13 | 5.17 | .319 | 1.39 | 9.4 | 3.1 | 10.2 | 148.0 | 154 | 89 | 85 | 14 | 51 | 167 | 0 | 0 | 0 | 0 | 9 | 3 | 3 | 3.07 |
| SP | Cueto, J.Cueto, Johnny # >> | 28 | 2014 | R | 89 | 27 | 27 | 10 | 10 | 3.11 | .286 | 1.18 | 7.6 | 3.0 | 9.1 | 194.0 | 164 | 71 | 67 | 15 | 65 | 197 | 3 | 0 | 0 | 1 | 21 | 4 | 3 | 3.04 |
| SP | Lackey, J.Lackey, John >> | 38 | 2016 | R | 60 | 26 | 26 | 3 | 10 | 7.74 | .375 | 1.77 | 12.4 | 3.7 | 8.2 | 118.2 | 162 | 106 | 102 | 28 | 48 | 107 | 1 | 0 | 0 | 0 | 6 | 4 | 7 | 5.59 |
| SP | Syndergaard, N.Syndergaard, Noah >> | 22 | 2015 | R | 58 | 25 | 25 | 7 | 12 | 6.26 | .346 | 1.55 | 11.5 | 2.5 | 9.3 | 133.2 | 170 | 95 | 93 | 23 | 37 | 137 | 1 | 0 | 0 | 0 | 6 | 5 | 5 | 4.14 |
| SP | Castillo, L.Castillo, Luis >> | 26 | 2019 | R | 50 | 24 | 24 | 6 | 13 | 8.18 | .388 | 1.87 | 11.3 | 5.5 | 9.8 | 99.0 | 124 | 91 | 90 | 18 | 61 | 108 | 0 | 0 | 0 | 0 | 5 | 3 | 3 | 5.12 |
| RP | Sanchez, A.Sanchez, Aaron >> | 21 | 2014 | R | 91 | 69 | 0 | 7 | 2 | 3.50 | .297 | 1.22 | 7.2 | 3.8 | 7.2 | 113.0 | 90 | 46 | 44 | 14 | 48 | 90 | 0 | 5 | 2 | 0 | 0 | 5 | 3 | 4.42 |
| RP | Ottavino, A.Ottavino, Adam >> | 32 | 2018 | R | 61 | 70 | 0 | 2 | 3 | 4.76 | .332 | 1.46 | 6.7 | 6.5 | 10.4 | 85.0 | 63 | 46 | 45 | 13 | 61 | 98 | 0 | 5 | 1 | 0 | 0 | 3 | 8 | 4.94 |
| RP | Jeffress, J.Jeffress, Jeremy >> | 30 | 2018 | R | 41 | 59 | 0 | 3 | 4 | 4.85 | .356 | 1.62 | 9.1 | 5.6 | 9.0 | 68.2 | 69 | 38 | 37 | 13 | 42 | 68 | 0 | 5 | 1 | 0 | 0 | 3 | 5 | 5.47 |
| RP | Familia, J.Familia, Jeurys >> | 25 | 2015 | R | 26 | 57 | 0 | 2 | 3 | 5.85 | .316 | 1.36 | 9.4 | 3.0 | 9.7 | 67.2 | 70 | 45 | 44 | 10 | 22 | 72 | 0 | 5 | 3 | 0 | 0 | 2 | 3 | 3.87 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 46 | 6 | 0 | 0 | 0 | 3.09 | .327 | 1.46 | 12.3 | 1.6 | 9.8 | 11.2 | 15 | 4 | 4 | 1 | 2 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2.55 |
| SP | Teheran, J.Teheran, Julio >> | 23 | 2014 | R | 41 | 46 | 0 | 5 | 7 | 4.80 | .361 | 1.64 | 11.0 | 3.8 | 7.5 | 105.0 | 128 | 57 | 56 | 14 | 44 | 88 | 0 | 6 | 1 | 0 | 0 | 6 | 3 | 4.49 |