| SP | Alexander, P.Alexander, Pete >> | 28 | 1915 | R | 93 | 33 | 33 | 11 | 12 | 3.54 | .284 | 1.15 | 8.1 | 2.3 | 5.6 | 213.1 | 192 | 91 | 84 | 24 | 54 | 132 | 5 | 0 | 0 | 2 | 19 | 8 | 2 | 4.10 |
| SP | McLain, D.McLain, Denny >> | 24 | 1968 | R | 87 | 9 | 9 | 1 | 8 | 4.75 | .295 | 1.20 | 7.5 | 3.5 | 4.8 | 60.2 | 50 | 34 | 32 | 6 | 23 | 32 | 3 | 0 | 0 | 0 | 3 | 3 | 2 | 4.53 |
| SP | Reulbach, E.Reulbach, Ed >> | 24 | 1906 | R | 70 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Corcoran, L.Corcoran, Larry >> | 21 | 1880 | R | 73 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | McQuillan, G.McQuillan, George >> | 23 | 1908 | R | 65 | 24 | 13 | 3 | 11 | 6.22 | .349 | 1.56 | 9.6 | 4.4 | 4.0 | 85.1 | 91 | 67 | 59 | 9 | 42 | 38 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 5.11 |
| RP | Hochevar, L.Hochevar, Luke >> | 30 | 2013 | R | 78 | 98 | 0 | 5 | 6 | 5.59 | .321 | 1.40 | 9.4 | 3.2 | 7.9 | 124.0 | 130 | 77 | 77 | 23 | 44 | 109 | 0 | 3 | 4 | 0 | 0 | 2 | 4 | 4.77 |
| RP | Balfour, G.Balfour, Grant >> | 31 | 2008 | R | 79 | 85 | 0 | 5 | 2 | 3.77 | .279 | 1.14 | 5.3 | 4.9 | 9.1 | 117.0 | 69 | 54 | 49 | 10 | 64 | 118 | 0 | 7 | 1 | 0 | 0 | 3 | 1 | 3.81 |
| RP | Betancourt, R.Betancourt, Rafael >> | 32 | 2007 | R | 77 | 75 | 0 | 3 | 5 | 3.87 | .276 | 1.11 | 7.3 | 2.7 | 7.6 | 102.1 | 83 | 47 | 44 | 12 | 31 | 86 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 3.84 |
| CL | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 77 | 79 | 0 | 3 | 8 | 3.66 | .286 | 1.18 | 8.0 | 2.7 | 8.4 | 98.1 | 87 | 43 | 40 | 11 | 29 | 91 | 0 | 22 | 6 | 0 | 0 | 2 | 3 | 3.55 |
| SP | Coveleski, S.Coveleski, Stan >> | 28 | 1917 | R | 73 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |