| SP | Snell, B.Snell, Blake † >> | 25 | 2018 | L | 94 | 27 | 27 | 14 | 9 | 3.09 | .279 | 1.13 | 6.2 | 4.0 | 9.4 | 172.0 | 118 | 59 | 59 | 12 | 77 | 180 | 1 | 0 | 0 | 1 | 20 | 5 | 8 | 3.24 |
| SP | Lackey, J.Lackey, John # >> | 38 | 2016 | R | 60 | 26 | 26 | 11 | 10 | 4.79 | .318 | 1.38 | 9.7 | 2.7 | 7.7 | 169.0 | 183 | 90 | 90 | 25 | 51 | 144 | 0 | 0 | 0 | 0 | 12 | 2 | 4 | 4.16 |
| SP | Dickey, R.Dickey, R.A. >> | 38 | 2012 | R | 54 | 26 | 26 | 12 | 9 | 4.42 | .315 | 1.37 | 9.4 | 2.9 | 8.2 | 169.0 | 176 | 85 | 83 | 21 | 55 | 154 | 3 | 0 | 0 | 2 | 13 | 2 | 3 | 3.80 |
| SP | Gonzalez, G.Gonzalez, Gio # >> | 27 | 2012 | L | 48 | 26 | 26 | 4 | 12 | 6.75 | .354 | 1.60 | 10.0 | 4.4 | 8.6 | 140.0 | 155 | 105 | 105 | 23 | 69 | 134 | 2 | 0 | 0 | 1 | 7 | 6 | 7 | 4.83 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 46 | 25 | 25 | 10 | 8 | 5.67 | .342 | 1.53 | 10.8 | 3.0 | 10.6 | 133.1 | 160 | 87 | 84 | 27 | 44 | 157 | 0 | 0 | 0 | 0 | 9 | 4 | 4 | 4.36 |
| RP | Feliz, N.Feliz, Neftali >> | 22 | 2010 | R | 65 | 67 | 0 | 4 | 3 | 4.13 | .330 | 1.46 | 8.9 | 4.4 | 8.9 | 80.2 | 79 | 37 | 37 | 3 | 39 | 79 | 0 | 9 | 5 | 0 | 0 | 1 | 3 | 3.01 |
| RP | Rivero, F.Rivero, Felipe >> | 27 | 2019 | L | 46 | 58 | 0 | 6 | 3 | 3.15 | .257 | 1.00 | 5.5 | 3.5 | 11.4 | 74.1 | 45 | 27 | 26 | 5 | 29 | 94 | 0 | 3 | 3 | 0 | 0 | 3 | 4 | 2.64 |
| SP | Berrios, J.Berrios, Jose >> | 24 | 2018 | R | 35 | 4 | 0 | 0 | 0 | 3.18 | .292 | 1.24 | 10.8 | 1.8 | 5.4 | 5.2 | 6 | 2 | 2 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2.40 |