| SP | Buehler, W.Buehler, Walker # >> | 23 | 2018 | R | 90 | 14 | 14 | 1 | 8 | 4.92 | .336 | 1.52 | 10.9 | 2.9 | 8.6 | 82.1 | 99 | 48 | 45 | 16 | 26 | 78 | 0 | 0 | 0 | 0 | 6 | 0 | 5 | 4.59 |
| SP | Morton, C.Morton, Charlie >> | 36 | 2019 | R | 56 | 13 | 13 | 1 | 8 | 6.81 | .353 | 1.61 | 10.5 | 4.1 | 9.6 | 72.2 | 84 | 57 | 55 | 13 | 33 | 77 | 1 | 0 | 0 | 0 | 4 | 2 | 2 | 4.67 |
| SP | Castillo, L.Castillo, Luis >> | 26 | 2019 | R | 51 | 13 | 13 | 3 | 3 | 4.64 | .332 | 1.44 | 9.5 | 3.6 | 10.1 | 77.2 | 81 | 40 | 40 | 10 | 31 | 86 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 3.82 |
| SP | Berrios, J.Berrios, Jose >> | 24 | 2018 | R | 36 | 13 | 13 | 2 | 6 | 6.38 | .374 | 1.78 | 11.1 | 4.9 | 8.8 | 72.0 | 89 | 51 | 51 | 17 | 39 | 70 | 0 | 0 | 0 | 0 | 4 | 1 | 2 | 5.79 |
| SP | Liriano, F.Liriano, Francisco >> | 32 | 2015 | L | 23 | 14 | 13 | 6 | 6 | 3.92 | .328 | 1.46 | 8.7 | 4.5 | 10.0 | 78.0 | 75 | 38 | 34 | 8 | 39 | 87 | 0 | 0 | 0 | 0 | 7 | 0 | 4 | 3.60 |
| RP | Janssen, C.Janssen, Casey >> | 31 | 2012 | R | 55 | 33 | 0 | 2 | 0 | 4.60 | .291 | 1.21 | 8.0 | 2.9 | 9.2 | 47.0 | 42 | 24 | 24 | 7 | 15 | 48 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 3.91 |
| RP | Melancon, M.Melancon, Mark >> | 30 | 2015 | R | 36 | 36 | 0 | 3 | 2 | 2.84 | .269 | 1.08 | 7.0 | 2.9 | 9.0 | 44.1 | 34 | 14 | 14 | 5 | 14 | 44 | 0 | 3 | 3 | 0 | 0 | 1 | 6 | 3.50 |
| RP | Rosenthal, T.Rosenthal, Trevor >> | 23 | 2013 | R | 14 | 20 | 0 | 2 | 4 | 5.57 | .351 | 1.62 | 9.4 | 5.1 | 11.6 | 21.0 | 22 | 13 | 13 | 2 | 12 | 27 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3.38 |
| SP | Quintana, J.Quintana, Jose >> | 27 | 2016 | L | 13 | 11 | 0 | 0 | 3 | 3.78 | .383 | 1.86 | 15.2 | 2.3 | 7.9 | 16.2 | 27 | 7 | 7 | 3 | 4 | 14 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 4.44 |