| SP | Tiant, L.Tiant, Luis † >> | 28 | 1968 | R | 97 | 37 | 37 | 25 | 9 | 2.75 | .267 | 1.07 | 6.4 | 3.2 | 7.8 | 304.2 | 217 | 97 | 93 | 30 | 109 | 264 | 15 | 0 | 0 | 4 | 27 | 7 | 5 | 3.69 |
| SP | Mathewson, C.Mathewson, Christy >> | 28 | 1908 | R | 83 | 35 | 35 | 18 | 10 | 3.64 | .274 | 1.11 | 8.3 | 1.7 | 5.2 | 262.0 | 242 | 113 | 106 | 23 | 49 | 152 | 7 | 0 | 0 | 3 | 18 | 6 | 1 | 3.61 |
| SP | Brown, M.Brown, Mordecai >> | 32 | 1908 | R | 85 | 34 | 34 | 20 | 9 | 4.28 | .291 | 1.22 | 8.5 | 2.5 | 4.5 | 256.2 | 241 | 123 | 122 | 28 | 72 | 129 | 9 | 0 | 0 | 1 | 14 | 3 | 5 | 4.29 |
| SP | Horlen, J.Horlen, Joe † # >> | 27 | 1964 | R | 78 | 31 | 31 | 18 | 8 | 4.28 | .290 | 1.21 | 8.2 | 2.7 | 4.6 | 208.1 | 189 | 104 | 99 | 24 | 63 | 107 | 2 | 0 | 0 | 1 | 17 | 3 | 4 | 4.42 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 89 | 0 | 6 | 0 | 2.10 | .223 | 0.82 | 5.5 | 1.9 | 9.4 | 111.1 | 68 | 27 | 26 | 8 | 23 | 116 | 0 | 21 | 2 | 0 | 0 | 5 | 5 | 2.60 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 15 | 0 | 0 | 1 | 5.60 | .354 | 1.64 | 9.5 | 5.8 | 6.4 | 17.2 | 18 | 11 | 11 | 3 | 11 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5.82 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 77 | 25 | 0 | 2 | 0 | 4.82 | .306 | 1.32 | 9.6 | 2.3 | 7.7 | 28.0 | 30 | 20 | 15 | 6 | 7 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4.82 |