| SP | Buehler, W.Buehler, Walker # >> | 23 | 2018 | R | 90 | 5 | 5 | 2 | 2 | 5.00 | .302 | 1.30 | 9.0 | 2.7 | 9.0 | 27.0 | 27 | 15 | 15 | 4 | 8 | 27 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3.81 |
| SP | Iwakuma, H.Iwakuma, Hisashi >> | 32 | 2013 | R | 64 | 5 | 5 | 0 | 3 | 15.80 | .468 | 2.63 | 19.4 | 5.5 | 6.2 | 13.2 | 28 | 24 | 24 | 6 | 8 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.46 |
| SP | Morton, C.Morton, Charlie >> | 36 | 2019 | R | 56 | 5 | 5 | 2 | 1 | 5.27 | .328 | 1.46 | 8.3 | 5.0 | 8.7 | 27.1 | 25 | 16 | 16 | 8 | 15 | 26 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 6.59 |
| SP | Halladay, R.Halladay, Roy >> | 33 | 2010 | R | 43 | 4 | 4 | 2 | 2 | 4.70 | .298 | 1.24 | 9.6 | 1.8 | 6.6 | 30.2 | 32 | 17 | 16 | 5 | 6 | 22 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 4.40 |
| SP | Romero, R.Romero, Ricky >> | 26 | 2011 | L | 38 | 5 | 5 | 3 | 2 | 3.52 | .298 | 1.27 | 7.8 | 3.9 | 8.7 | 30.2 | 26 | 13 | 12 | 6 | 13 | 29 | 2 | 0 | 0 | 2 | 3 | 0 | 1 | 4.97 |
| RP | Sanchez, A.Sanchez, Aaron >> | 21 | 2014 | R | 90 | 13 | 0 | 1 | 0 | 3.15 | .302 | 1.30 | 6.3 | 5.4 | 9.0 | 20.0 | 14 | 8 | 7 | 1 | 12 | 20 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.45 |
| RP | Hendriks, L.Hendriks, Liam >> | 30 | 2019 | R | 40 | 11 | 0 | 0 | 0 | 3.38 | .262 | 1.06 | 8.4 | 1.1 | 7.9 | 16.0 | 15 | 6 | 6 | 2 | 2 | 14 | 0 | 2 | 1 | 0 | 0 | 0 | 2 | 3.25 |
| RP | Rondon, H.Rondon, Hector >> | 27 | 2015 | R | 24 | 8 | 0 | 0 | 1 | 4.35 | .340 | 1.55 | 11.7 | 2.7 | 9.0 | 10.1 | 13 | 5 | 5 | 0 | 3 | 10 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.90 |
| RP | Rosenthal, T.Rosenthal, Trevor >> | 23 | 2013 | R | 14 | 8 | 0 | 0 | 1 | 6.75 | .385 | 1.88 | 13.5 | 3.4 | 13.5 | 8.0 | 12 | 9 | 6 | 2 | 3 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 4.38 |