| SP | Tiant, L.Tiant, Luis † >> | 28 | 1968 | R | 97 | 19 | 19 | 9 | 6 | 2.97 | .274 | 1.13 | 6.9 | 3.3 | 8.2 | 142.1 | 109 | 53 | 47 | 10 | 52 | 130 | 3 | 0 | 0 | 0 | 13 | 0 | 2 | 3.18 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 18 | 18 | 6 | 4 | 4.75 | .309 | 1.31 | 9.0 | 2.8 | 7.3 | 127.0 | 127 | 69 | 67 | 20 | 40 | 103 | 1 | 0 | 0 | 0 | 7 | 3 | 1 | 4.44 |
| SP | Maddux, G.Maddux, Greg >> | 29 | 1995 | R | 89 | 17 | 17 | 7 | 4 | 3.74 | .311 | 1.32 | 9.9 | 2.1 | 6.1 | 122.2 | 134 | 58 | 51 | 9 | 28 | 83 | 4 | 0 | 0 | 0 | 10 | 4 | 4 | 3.39 |
| CL | Doolittle, S.Doolittle, Sean † >> | 31 | 2018 | L | 99 | 35 | 0 | 5 | 4 | 3.32 | .274 | 1.05 | 7.6 | 1.9 | 6.2 | 38.0 | 32 | 14 | 14 | 4 | 8 | 26 | 0 | 18 | 4 | 0 | 0 | 3 | 0 | 3.87 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 24 | 0 | 1 | 1 | 2.39 | .262 | 1.06 | 6.6 | 3.1 | 6.9 | 26.1 | 19 | 7 | 7 | 2 | 9 | 20 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 3.50 |
| SP | Marichal, J.Marichal, Juan >> | 29 | 1966 | R | 77 | 6 | 0 | 1 | 3 | 4.26 | .321 | 1.42 | 12.0 | 1.5 | 1.5 | 6.1 | 8 | 3 | 3 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.17 |