| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 91 | 33 | 33 | 8 | 16 | 3.21 | .248 | 0.97 | 6.2 | 2.6 | 5.2 | 218.2 | 150 | 80 | 78 | 20 | 63 | 125 | 9 | 0 | 0 | 1 | 23 | 3 | 4 | 3.95 |
| SP | Pfiester, J.Pfiester, Jack >> | 28 | 1906 | L | 74 | 32 | 32 | 12 | 13 | 5.08 | .333 | 1.48 | 9.2 | 4.1 | 4.6 | 198.1 | 203 | 113 | 112 | 28 | 90 | 101 | 7 | 0 | 0 | 4 | 10 | 4 | 5 | 5.24 |
| SP | Bender, C.Bender, Chief >> | 26 | 1910 | R | 72 | 32 | 32 | 6 | 17 | 5.66 | .354 | 1.64 | 11.5 | 3.3 | 5.4 | 187.2 | 238 | 124 | 118 | 24 | 69 | 112 | 3 | 0 | 0 | 0 | 9 | 2 | 5 | 4.61 |
| SP | Krause, H.Krause, Harry >> | 21 | 1909 | L | 72 | 31 | 31 | 7 | 15 | 6.28 | .330 | 1.45 | 9.4 | 3.8 | 4.8 | 170.2 | 177 | 132 | 119 | 26 | 71 | 90 | 1 | 0 | 0 | 0 | 9 | 4 | 1 | 5.25 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 98 | 93 | 0 | 1 | 0 | 2.23 | .240 | 0.94 | 6.1 | 2.4 | 9.0 | 92.2 | 62 | 24 | 23 | 8 | 25 | 92 | 0 | 6 | 2 | 0 | 0 | 1 | 4 | 2.98 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 75 | 84 | 0 | 7 | 5 | 4.88 | .305 | 1.31 | 8.6 | 3.2 | 8.2 | 94.0 | 90 | 52 | 51 | 19 | 33 | 86 | 0 | 4 | 4 | 0 | 0 | 1 | 2 | 4.88 |
| RP | Balfour, G.Balfour, Grant >> | 31 | 2008 | R | 76 | 67 | 0 | 5 | 7 | 3.01 | .264 | 1.05 | 5.0 | 4.6 | 9.9 | 83.2 | 46 | 31 | 28 | 9 | 42 | 91 | 0 | 5 | 3 | 0 | 0 | 2 | 3 | 3.81 |
| RP | Broxton, J.Broxton, Jonathan >> | 25 | 2009 | R | 62 | 54 | 0 | 4 | 2 | 3.88 | .307 | 1.33 | 6.7 | 5.3 | 8.7 | 58.0 | 43 | 25 | 25 | 10 | 34 | 56 | 0 | 2 | 1 | 0 | 0 | 0 | 3 | 5.07 |
| RP | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 26 | 0 | 3 | 0 | 5.14 | .339 | 1.54 | 9.3 | 4.5 | 8.0 | 28.0 | 29 | 16 | 16 | 5 | 14 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.04 |
| RP | Saito, T.Saito, Takashi >> | 37 | 2007 | R | 92 | 28 | 0 | 0 | 1 | 4.02 | .242 | 0.96 | 6.4 | 2.3 | 7.3 | 31.1 | 22 | 15 | 14 | 4 | 8 | 25 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 3.84 |