| SP | Greinke, Z.Greinke, Zack >> | 36 | 2019 | R | 90 | 20 | 20 | 11 | 5 | 2.39 | .247 | 0.96 | 6.6 | 2.1 | 9.4 | 135.1 | 99 | 41 | 36 | 14 | 31 | 141 | 0 | 0 | 0 | 0 | 15 | 3 | 0 | 3.01 |
| SP | Bauer, T.Bauer, Trevor >> | 28 | 2019 | R | 77 | 19 | 19 | 5 | 8 | 4.19 | .320 | 1.36 | 8.6 | 3.6 | 11.3 | 116.0 | 111 | 54 | 54 | 13 | 47 | 145 | 0 | 0 | 0 | 0 | 11 | 6 | 4 | 3.33 |
| SP | Duffy, D.Duffy, Danny # >> | 30 | 2019 | L | 58 | 20 | 19 | 4 | 8 | 5.33 | .330 | 1.44 | 9.8 | 3.1 | 8.6 | 106.1 | 116 | 66 | 63 | 18 | 37 | 101 | 0 | 0 | 0 | 0 | 8 | 4 | 6 | 4.46 |
| SP | Keller, B.Keller, Brad >> | 23 | 2019 | R | 49 | 17 | 17 | 2 | 7 | 5.42 | .319 | 1.39 | 8.3 | 4.3 | 8.3 | 79.2 | 73 | 51 | 48 | 13 | 38 | 73 | 0 | 0 | 0 | 0 | 2 | 1 | 4 | 4.77 |
| SP | Zeuch, T.Zeuch, T.J. + >> | 23 | 2019 | R | 34 | 16 | 13 | 0 | 4 | 3.66 | .317 | 1.35 | 8.1 | 4.2 | 7.8 | 51.2 | 46 | 21 | 21 | 8 | 24 | 44 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4.84 |
| RP | Morgan, A.Morgan, Adam >> | 29 | 2019 | R | 90 | 46 | 0 | 3 | 4 | 3.34 | .276 | 1.14 | 7.3 | 3.1 | 11.4 | 64.2 | 52 | 24 | 24 | 8 | 22 | 81 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 3.13 |
| RP | Soria, J.Soria, Joakim >> | 35 | 2019 | R | 91 | 48 | 0 | 4 | 2 | 3.39 | .293 | 1.18 | 8.6 | 2.1 | 9.7 | 61.0 | 58 | 26 | 23 | 12 | 14 | 66 | 0 | 3 | 4 | 0 | 0 | 4 | 2 | 4.28 |
| RP | Hudson, D.Hudson, Daniel >> | 32 | 2019 | R | 84 | 40 | 0 | 3 | 4 | 3.89 | .294 | 1.23 | 7.4 | 3.7 | 9.4 | 44.0 | 36 | 19 | 19 | 7 | 18 | 46 | 0 | 4 | 3 | 0 | 0 | 1 | 0 | 4.27 |
| RP | Barlow, S.Barlow, Scott + >> | 26 | 2019 | R | 55 | 22 | 0 | 1 | 0 | 3.00 | .333 | 1.50 | 9.0 | 4.5 | 12.8 | 24.0 | 24 | 8 | 8 | 2 | 12 | 34 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 2.75 |
| RP | Newberry, J.Newberry, Jake + >> | 24 | 2019 | R | 47 | 19 | 0 | 2 | 1 | 5.66 | .319 | 1.26 | 9.9 | 1.8 | 9.9 | 20.2 | 22 | 13 | 13 | 2 | 4 | 22 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3.15 |