| SP | Cicotte, E.Cicotte, Eddie >> | 33 | 1917 | R | 74 | 24 | 15 | 10 | 4 | 3.79 | .290 | 1.20 | 8.2 | 2.7 | 4.2 | 142.1 | 129 | 62 | 60 | 9 | 42 | 67 | 2 | 0 | 0 | 0 | 9 | 3 | 1 | 3.83 |
| SP | Johnson, W.Johnson, Walter # >> | 26 | 1913 | R | 95 | 24 | 24 | 9 | 6 | 3.41 | .277 | 1.14 | 8.0 | 2.3 | 5.2 | 171.2 | 152 | 66 | 65 | 18 | 43 | 99 | 4 | 0 | 0 | 1 | 15 | 2 | 3 | 4.00 |
| SP | Leonard, D.Leonard, Dutch † $$ >> | 22 | 1914 | L | 91 | 24 | 24 | 18 | 5 | 2.64 | .257 | 1.03 | 6.1 | 3.2 | 4.8 | 163.2 | 111 | 56 | 48 | 16 | 58 | 87 | 0 | 0 | 0 | 0 | 18 | 1 | 1 | 4.29 |
| SP | Alexander, P.Alexander, Pete # >> | 28 | 1915 | R | 88 | 24 | 24 | 11 | 9 | 4.55 | .278 | 1.14 | 8.0 | 2.2 | 4.2 | 166.0 | 148 | 85 | 84 | 22 | 41 | 77 | 4 | 0 | 0 | 2 | 9 | 3 | 0 | 4.59 |
| SP | Reulbach, E.Reulbach, Ed $$ >> | 24 | 1906 | R | 60 | 24 | 24 | 13 | 5 | 3.17 | .281 | 1.15 | 6.4 | 4.0 | 3.7 | 176.0 | 125 | 65 | 62 | 13 | 78 | 73 | 4 | 0 | 0 | 1 | 18 | 3 | 3 | 4.51 |
| CL | Street, H.Street, Huston † >> | 29 | 2012 | R | 96 | 47 | 0 | 3 | 3 | 1.92 | .251 | 1.01 | 5.8 | 3.4 | 8.8 | 51.2 | 33 | 12 | 11 | 2 | 19 | 50 | 0 | 25 | 3 | 0 | 0 | 0 | 3 | 2.67 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 39 | 0 | 0 | 2 | 5.26 | .319 | 1.41 | 9.5 | 3.4 | 9.5 | 37.2 | 39 | 22 | 22 | 5 | 14 | 39 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 3.78 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 79 | 25 | 0 | 0 | 4 | 3.94 | .326 | 1.45 | 7.8 | 5.6 | 9.6 | 29.2 | 25 | 18 | 13 | 3 | 18 | 31 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 4.07 |
| RP | Benitez, A.Benitez, Armando >> | 32 | 2004 | R | 83 | 32 | 0 | 0 | 3 | 5.11 | .288 | 1.19 | 7.5 | 3.2 | 5.4 | 37.0 | 31 | 23 | 21 | 7 | 13 | 22 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 5.41 |
| SP | Fernandez, J.Fernandez, Jose >> | 21 | 2013 | R | 76 | 18 | 11 | 4 | 4 | 5.47 | .376 | 1.80 | 11.5 | 4.8 | 7.8 | 77.1 | 98 | 49 | 47 | 5 | 41 | 67 | 0 | 0 | 1 | 0 | 4 | 1 | 3 | 3.74 |