| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 92 | 35 | 35 | 13 | 11 | 3.17 | .278 | 1.13 | 7.0 | 3.2 | 6.0 | 232.2 | 181 | 86 | 82 | 22 | 83 | 155 | 3 | 0 | 0 | 2 | 25 | 5 | 6 | 4.03 |
| SP | Pfiester, J.Pfiester, Jack >> | 28 | 1906 | L | 73 | 30 | 26 | 12 | 8 | 3.75 | .288 | 1.20 | 7.6 | 3.3 | 4.6 | 196.2 | 165 | 90 | 82 | 17 | 71 | 100 | 2 | 0 | 0 | 1 | 16 | 3 | 4 | 4.24 |
| SP | Alexander, P.Alexander, Pete # >> | 28 | 1915 | R | 88 | 35 | 35 | 14 | 10 | 3.52 | .263 | 1.05 | 7.7 | 1.8 | 4.7 | 230.1 | 197 | 92 | 90 | 27 | 46 | 120 | 2 | 0 | 0 | 0 | 23 | 3 | 2 | 4.12 |
| SP | Fernandez, J.Fernandez, Jose >> | 21 | 2013 | R | 76 | 33 | 33 | 10 | 9 | 4.28 | .308 | 1.32 | 7.7 | 4.2 | 8.7 | 159.2 | 136 | 80 | 76 | 16 | 75 | 153 | 0 | 0 | 0 | 0 | 7 | 2 | 3 | 3.84 |
| RP | Chapman, A.Chapman, Aroldis >> | 26 | 2014 | L | 94 | 120 | 0 | 3 | 2 | 3.52 | .293 | 1.22 | 6.4 | 4.6 | 8.1 | 84.1 | 60 | 34 | 33 | 9 | 43 | 76 | 0 | 2 | 2 | 0 | 0 | 2 | 3 | 4.19 |
| RP | Balfour, G.Balfour, Grant >> | 31 | 2008 | R | 76 | 89 | 0 | 3 | 2 | 3.07 | .249 | 0.98 | 5.0 | 3.9 | 8.6 | 67.1 | 37 | 23 | 23 | 6 | 29 | 64 | 0 | 3 | 1 | 0 | 0 | 1 | 2 | 3.60 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 78 | 67 | 0 | 6 | 2 | 2.38 | .264 | 1.08 | 6.6 | 3.1 | 7.6 | 53.0 | 39 | 14 | 14 | 4 | 18 | 45 | 0 | 13 | 2 | 0 | 0 | 0 | 4 | 3.30 |
| RP | Marte, D.Marte, Damaso >> | 28 | 2003 | L | 36 | 66 | 0 | 3 | 5 | 4.60 | .325 | 1.42 | 7.8 | 5.0 | 6.8 | 45.0 | 39 | 26 | 23 | 5 | 25 | 34 | 0 | 4 | 1 | 0 | 0 | 1 | 0 | 4.67 |
| RP | Hochevar, L.Hochevar, Luke >> | 30 | 2013 | R | 78 | 52 | 0 | 3 | 3 | 3.38 | .266 | 1.07 | 7.1 | 2.6 | 9.3 | 56.0 | 44 | 25 | 21 | 11 | 16 | 58 | 0 | 6 | 0 | 0 | 0 | 1 | 1 | 4.39 |