| SP | Krause, H.Krause, Harry >> | 21 | 1909 | L | 78 | 33 | 33 | 15 | 9 | 3.23 | .292 | 1.23 | 8.1 | 3.0 | 5.3 | 203.2 | 183 | 81 | 73 | 23 | 68 | 119 | 2 | 0 | 0 | 0 | 24 | 1 | 2 | 4.32 |
| SP | Samardzija, J.Samardzija, Jeff # >> | 29 | 2014 | R | 71 | 32 | 32 | 14 | 4 | 4.58 | .321 | 1.40 | 10.3 | 2.3 | 6.4 | 188.2 | 216 | 113 | 96 | 32 | 48 | 133 | 1 | 0 | 0 | 0 | 21 | 3 | 6 | 4.61 |
| SP | Duchscherer, J.Duchscherer, Justin # >> | 31 | 2008 | R | 54 | 31 | 31 | 10 | 14 | 5.71 | .348 | 1.59 | 11.2 | 3.1 | 4.8 | 162.1 | 202 | 116 | 103 | 17 | 56 | 87 | 1 | 0 | 0 | 0 | 12 | 2 | 2 | 4.36 |
| SP | Bender, C.Bender, Chief # >> | 24 | 1908 | R | 40 | 30 | 30 | 11 | 9 | 5.41 | .359 | 1.65 | 11.9 | 3.0 | 5.4 | 166.1 | 220 | 112 | 100 | 22 | 55 | 99 | 3 | 0 | 0 | 0 | 13 | 4 | 1 | 4.60 |
| CL | Eckersley, D.Eckersley, Dennis † >> | 35 | 1989 | R | 91 | 62 | 0 | 3 | 9 | 4.01 | .286 | 1.19 | 8.1 | 2.7 | 6.8 | 60.2 | 54 | 28 | 27 | 6 | 18 | 45 | 0 | 38 | 5 | 0 | 0 | 1 | 0 | 3.75 |
| SU | Madson, R.Madson, Ryan >> | 37 | 2017 | R | 82 | 52 | 0 | 2 | 2 | 3.09 | .266 | 1.09 | 7.9 | 1.9 | 6.7 | 67.0 | 59 | 25 | 23 | 7 | 14 | 50 | 0 | 3 | 9 | 0 | 0 | 0 | 0 | 3.49 |
| RP | Devine, J.Devine, Joey >> | 25 | 2008 | R | 88 | 79 | 0 | 3 | 4 | 3.21 | .307 | 1.31 | 8.5 | 3.3 | 7.3 | 70.0 | 66 | 25 | 25 | 6 | 26 | 57 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 3.64 |
| RP | Abad, F.Abad, Fernando >> | 28 | 2014 | L | 76 | 58 | 0 | 3 | 1 | 2.88 | .242 | 0.96 | 5.9 | 2.9 | 7.2 | 40.2 | 26 | 15 | 13 | 3 | 13 | 32 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3.35 |
| RP | Wendelken, J.Wendelken, J.B. >> | 26 | 2019 | R | 65 | 29 | 0 | 2 | 0 | 8.87 | .391 | 1.93 | 11.9 | 5.7 | 11.0 | 22.1 | 29 | 23 | 22 | 7 | 14 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6.59 |
| RP | Knowles, D.Knowles, Darold >> | 30 | 1971 | L | 48 | 13 | 0 | 0 | 0 | 2.61 | .184 | 0.68 | 5.4 | 0.9 | 5.4 | 10.1 | 6 | 3 | 3 | 2 | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.70 |