| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 91 | 20 | 20 | 10 | 5 | 4.49 | .329 | 1.44 | 8.9 | 4.1 | 6.3 | 110.1 | 109 | 56 | 55 | 15 | 50 | 77 | 1 | 0 | 0 | 0 | 11 | 3 | 5 | 4.82 |
| SP | Brown, M.Brown, Mordecai >> | 32 | 1908 | R | 85 | 21 | 21 | 4 | 6 | 5.99 | .354 | 1.62 | 10.9 | 3.8 | 4.6 | 115.2 | 139 | 79 | 77 | 16 | 48 | 59 | 2 | 0 | 0 | 0 | 9 | 3 | 0 | 5.11 |
| SP | Hunter, C.Hunter, Catfish >> | 26 | 1972 | R | 81 | 22 | 21 | 7 | 6 | 5.46 | .333 | 1.48 | 9.3 | 4.1 | 5.2 | 123.2 | 127 | 78 | 75 | 15 | 56 | 71 | 3 | 0 | 0 | 0 | 10 | 2 | 0 | 4.85 |
| CL | Uehara, K.Uehara, Koji >> | 38 | 2013 | R | 100 | 58 | 0 | 5 | 9 | 5.31 | .339 | 1.52 | 10.0 | 3.7 | 10.8 | 61.0 | 68 | 40 | 36 | 8 | 25 | 73 | 0 | 15 | 4 | 0 | 0 | 1 | 0 | 3.59 |
| SU | Benitez, A.Benitez, Armando >> | 32 | 2004 | R | 82 | 66 | 0 | 4 | 4 | 4.00 | .302 | 1.26 | 8.3 | 3.1 | 6.0 | 78.2 | 72 | 38 | 35 | 12 | 27 | 52 | 0 | 4 | 8 | 0 | 0 | 3 | 0 | 4.82 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 75 | 0 | 2 | 6 | 4.68 | .304 | 1.31 | 9.0 | 2.9 | 9.0 | 84.2 | 84 | 46 | 44 | 19 | 27 | 84 | 0 | 2 | 7 | 0 | 0 | 0 | 5 | 4.90 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 58 | 0 | 1 | 2 | 3.68 | .322 | 1.39 | 9.4 | 3.2 | 9.5 | 71.0 | 74 | 32 | 29 | 7 | 25 | 75 | 0 | 3 | 0 | 0 | 0 | 2 | 3 | 3.31 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 76 | 45 | 0 | 3 | 3 | 7.43 | .373 | 1.76 | 10.7 | 5.3 | 8.7 | 53.1 | 63 | 44 | 44 | 11 | 31 | 51 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 5.58 |