| SP | Johnson, W.Johnson, Walter >> | 26 | 1913 | R | 96 | 22 | 22 | 10 | 8 | 3.96 | .281 | 1.16 | 8.2 | 2.3 | 5.6 | 154.2 | 141 | 69 | 68 | 16 | 39 | 96 | 5 | 0 | 0 | 2 | 11 | 1 | 5 | 3.88 |
| SP | Niggeling, J.Niggeling, Johnny >> | 40 | 1943 | R | 92 | 22 | 22 | 0 | 4 | 2.80 | .282 | 1.18 | 6.8 | 3.8 | 5.3 | 61.0 | 46 | 20 | 19 | 3 | 26 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3.74 |
| SP | Santana, J.Santana, Johan >> | 25 | 2004 | L | 89 | 22 | 22 | 10 | 8 | 3.10 | .268 | 1.07 | 7.2 | 2.4 | 8.4 | 159.2 | 128 | 58 | 55 | 9 | 43 | 148 | 4 | 0 | 0 | 2 | 14 | 4 | 6 | 2.76 |
| SP | Siebler, D.Siebler, Dwight >> | 26 | 1963 | R | 73 | 18 | 18 | 0 | 1 | 3.97 | .289 | 1.15 | 7.1 | 3.4 | 4.2 | 47.2 | 37 | 26 | 21 | 5 | 18 | 22 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 4.79 |
| SP | Leonard, D.Leonard, Dutch >> | 33 | 1942 | R | 62 | 20 | 20 | 0 | 5 | 5.19 | .307 | 1.33 | 9.0 | 3.1 | 5.2 | 50.1 | 50 | 32 | 29 | 5 | 17 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.16 |
| RP | Maeda, K.Maeda, Kenta † >> | 32 | 2020 | R | 86 | 60 | 0 | 9 | 2 | 3.33 | .289 | 1.22 | 8.8 | 2.2 | 8.5 | 110.2 | 108 | 42 | 41 | 14 | 27 | 104 | 0 | 8 | 2 | 0 | 0 | 0 | 0 | 3.50 |
| RP | Thielbar, C.Thielbar, Caleb >> | 26 | 2013 | L | 80 | 42 | 0 | 2 | 1 | 2.61 | .279 | 1.13 | 5.7 | 4.5 | 7.3 | 58.2 | 37 | 19 | 17 | 6 | 29 | 47 | 0 | 7 | 3 | 0 | 0 | 2 | 1 | 4.33 |
| RP | Dumont, G.Dumont, George † >> | 20 | 1915 | R | 69 | 41 | 0 | 14 | 4 | 3.01 | .315 | 1.37 | 8.8 | 3.6 | 4.0 | 92.2 | 90 | 36 | 31 | 7 | 37 | 41 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 4.34 |
| RP | Alcala, J.Alcala, Jorge >> | 25 | 2021 | R | 62 | 36 | 0 | 1 | 4 | 2.88 | .302 | 1.30 | 8.6 | 3.1 | 7.2 | 50.0 | 48 | 19 | 16 | 2 | 17 | 40 | 0 | 5 | 3 | 0 | 0 | 0 | 0 | 2.94 |
| RP | Cotton, J.Cotton, Jharel >> | 30 | 2022 | R | 46 | 32 | 0 | 1 | 3 | 4.57 | .299 | 1.28 | 7.5 | 4.2 | 4.6 | 41.1 | 34 | 21 | 21 | 3 | 19 | 21 | 0 | 3 | 2 | 0 | 0 | 0 | 3 | 4.32 |
| RP | Pressly, R.Pressly, Ryan # >> | 28 | 2017 | R | 33 | 26 | 0 | 2 | 3 | 5.46 | .299 | 1.28 | 8.4 | 3.4 | 7.4 | 29.2 | 27 | 19 | 18 | 7 | 11 | 24 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 5.62 |