| SP | Kershaw, C.Kershaw, Clayton >> | 28 | 2016 | L | 99 | 6 | 6 | 4 | 2 | 2.45 | .275 | 1.14 | 9.0 | 1.2 | 8.2 | 44.0 | 44 | 12 | 12 | 3 | 6 | 40 | 2 | 0 | 0 | 0 | 5 | 0 | 3 | 2.48 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 5 | 5 | 1 | 3 | 3.71 | .311 | 1.35 | 8.2 | 4.0 | 9.0 | 34.0 | 31 | 15 | 14 | 5 | 15 | 34 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 4.24 |
| SP | Horlen, J.Horlen, Joe # >> | 27 | 1964 | R | 78 | 5 | 5 | 1 | 3 | 7.96 | .371 | 1.77 | 12.5 | 3.5 | 6.9 | 26.0 | 36 | 27 | 23 | 3 | 10 | 20 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 4.12 |
| SP | Waddell, R.Waddell, Rube >> | 29 | 1905 | L | 67 | 5 | 5 | 1 | 3 | 7.14 | .374 | 1.79 | 11.5 | 4.7 | 7.1 | 29.0 | 37 | 24 | 23 | 3 | 15 | 23 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 4.31 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 16 | 0 | 0 | 1 | 2.42 | .183 | 0.67 | 4.9 | 1.2 | 10.2 | 22.1 | 12 | 7 | 6 | 4 | 3 | 25 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 3.50 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 74 | 8 | 0 | 0 | 0 | 3.00 | .289 | 1.22 | 7.0 | 4.0 | 7.0 | 9.0 | 7 | 3 | 3 | 2 | 4 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5.67 |
| RP | Bailey, A.Bailey, Andrew >> | 25 | 2009 | R | 67 | 8 | 0 | 0 | 1 | 3.86 | .447 | 2.29 | 15.4 | 5.1 | 7.7 | 7.0 | 12 | 3 | 3 | 0 | 4 | 6 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 3.43 |
| RP | Foulke, K.Foulke, Keith >> | 27 | 1999 | R | 61 | 8 | 0 | 1 | 0 | 3.21 | .250 | 1.00 | 7.7 | 1.3 | 5.8 | 14.0 | 12 | 5 | 5 | 2 | 2 | 9 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4.00 |
| SP | Chesbro, J.Chesbro, Jack >> | 30 | 1904 | R | 65 | 1 | 0 | 1 | 0 | 0.00 | .000 | 0.00 | 0.0 | 0.0 | 0.0 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 |