| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 91 | 17 | 17 | 4 | 10 | 4.70 | .316 | 1.35 | 8.9 | 3.2 | 10.0 | 103.1 | 102 | 58 | 54 | 14 | 37 | 115 | 0 | 0 | 0 | 0 | 8 | 4 | 0 | 3.73 |
| SP | Foltynewicz, M.Foltynewicz, Michael # >> | 26 | 2018 | R | 66 | 16 | 16 | 1 | 7 | 5.26 | .338 | 1.51 | 10.6 | 3.1 | 10.9 | 87.1 | 102 | 53 | 51 | 14 | 30 | 105 | 0 | 0 | 0 | 0 | 9 | 2 | 3 | 3.78 |
| SP | Morton, C.Morton, Charlie >> | 36 | 2019 | R | 54 | 16 | 16 | 5 | 10 | 5.79 | .351 | 1.60 | 10.4 | 4.0 | 9.6 | 84.0 | 97 | 57 | 54 | 19 | 37 | 90 | 0 | 0 | 0 | 0 | 5 | 2 | 1 | 5.19 |
| SP | Teheran, J.Teheran, Julio >> | 23 | 2014 | R | 39 | 16 | 16 | 3 | 9 | 6.56 | .356 | 1.63 | 10.9 | 3.8 | 7.1 | 96.0 | 116 | 70 | 70 | 18 | 40 | 76 | 0 | 0 | 0 | 0 | 5 | 3 | 2 | 5.20 |
| RP | Osuna, R.Osuna, Roberto † >> | 22 | 2017 | R | 62 | 42 | 0 | 5 | 0 | 2.67 | .263 | 1.02 | 7.4 | 2.0 | 9.8 | 60.2 | 49 | 18 | 18 | 4 | 13 | 65 | 0 | 3 | 0 | 0 | 0 | 3 | 4 | 2.50 |
| RP | Jeffress, J.Jeffress, Jeremy >> | 30 | 2018 | R | 38 | 38 | 0 | 2 | 3 | 2.89 | .246 | 0.96 | 5.9 | 2.7 | 10.4 | 53.0 | 35 | 17 | 17 | 7 | 16 | 61 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 3.38 |
| RP | Blanton, J.Blanton, Joe >> | 36 | 2016 | R | 28 | 34 | 0 | 1 | 3 | 5.77 | .324 | 1.44 | 9.7 | 3.2 | 8.5 | 39.0 | 42 | 25 | 25 | 6 | 14 | 37 | 0 | 6 | 2 | 0 | 0 | 0 | 0 | 4.18 |
| RP | Watson, T.Watson, Tony >> | 29 | 2014 | L | 16 | 32 | 0 | 0 | 2 | 4.42 | .310 | 1.32 | 9.5 | 2.6 | 9.7 | 38.2 | 40 | 19 | 19 | 5 | 11 | 41 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 3.50 |
| SP | Marquez, G.Marquez, German >> | 23 | 2018 | R | 16 | 2 | 0 | 0 | 0 | 11.57 | .500 | 3.00 | 27.0 | 4.5 | 18.0 | 2.1 | 6 | 3 | 3 | 3 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20.00 |
| SP | Griffin, A.Griffin, A.J. >> | 25 | 2013 | R | 27 | 17 | 0 | 1 | 1 | 5.60 | .346 | 1.58 | 12.2 | 2.6 | 9.0 | 17.2 | 23 | 12 | 11 | 1 | 5 | 17 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 2.65 |