| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 91 | 34 | 34 | 10 | 14 | 4.42 | .304 | 1.29 | 7.7 | 3.9 | 5.2 | 193.1 | 165 | 105 | 95 | 19 | 84 | 111 | 1 | 0 | 0 | 0 | 19 | 4 | 2 | 4.50 |
| SP | Brown, M.Brown, Mordecai >> | 32 | 1908 | R | 84 | 33 | 32 | 12 | 15 | 5.28 | .322 | 1.40 | 9.8 | 2.7 | 4.4 | 184.0 | 201 | 115 | 108 | 25 | 56 | 89 | 1 | 0 | 0 | 0 | 13 | 5 | 5 | 4.79 |
| SP | Bender, C.Bender, Chief >> | 26 | 1910 | R | 72 | 32 | 32 | 6 | 17 | 5.34 | .347 | 1.56 | 10.4 | 3.6 | 5.1 | 197.1 | 228 | 130 | 117 | 26 | 79 | 111 | 1 | 0 | 0 | 0 | 13 | 8 | 3 | 4.91 |
| CL | Doolittle, S.Doolittle, Sean † >> | 31 | 2018 | L | 99 | 86 | 0 | 3 | 7 | 3.66 | .308 | 1.31 | 8.7 | 3.1 | 10.3 | 96.0 | 93 | 44 | 39 | 17 | 33 | 110 | 0 | 35 | 4 | 0 | 0 | 2 | 0 | 4.10 |
| SU | Saito, T.Saito, Takashi >> | 37 | 2007 | R | 92 | 90 | 0 | 7 | 0 | 3.50 | .304 | 1.28 | 8.7 | 2.9 | 8.3 | 110.2 | 106 | 46 | 43 | 11 | 36 | 101 | 0 | 5 | 4 | 0 | 0 | 3 | 0 | 3.53 |
| RP | Betancourt, R.Betancourt, Rafael >> | 32 | 2007 | R | 76 | 81 | 0 | 6 | 8 | 4.21 | .289 | 1.21 | 8.4 | 2.6 | 7.8 | 98.1 | 91 | 52 | 46 | 14 | 28 | 85 | 0 | 0 | 6 | 0 | 0 | 1 | 0 | 4.01 |
| RP | Williams, D.Williams, Devin # >> | 28 | 2023 | R | 73 | 59 | 0 | 2 | 1 | 5.96 | .364 | 1.69 | 8.0 | 7.2 | 9.6 | 71.0 | 63 | 48 | 47 | 7 | 57 | 76 | 0 | 1 | 1 | 0 | 0 | 2 | 2 | 4.63 |