| SP | Arrieta, J.Arrieta, Jake † >> | 29 | 2015 | R | 95 | 20 | 20 | 10 | 7 | 2.99 | .260 | 1.05 | 7.2 | 2.2 | 9.2 | 153.2 | 123 | 51 | 51 | 16 | 38 | 156 | 7 | 0 | 0 | 2 | 13 | 1 | 2 | 3.08 |
| SP | Morton, C.Morton, Charlie >> | 36 | 2019 | R | 54 | 19 | 19 | 7 | 8 | 6.33 | .327 | 1.45 | 9.7 | 3.4 | 9.7 | 112.1 | 121 | 79 | 79 | 21 | 42 | 121 | 0 | 0 | 0 | 0 | 8 | 1 | 1 | 4.43 |
| RP | Feliz, N.Feliz, Neftali >> | 22 | 2010 | R | 63 | 52 | 0 | 4 | 1 | 4.65 | .319 | 1.39 | 8.3 | 4.2 | 9.9 | 62.0 | 57 | 33 | 32 | 8 | 29 | 68 | 0 | 7 | 2 | 0 | 0 | 1 | 2 | 3.94 |
| RP | McHugh, C.McHugh, Collin >> | 31 | 2018 | R | 60 | 41 | 0 | 3 | 3 | 2.91 | .237 | 0.93 | 6.8 | 1.7 | 9.3 | 52.2 | 39 | 17 | 17 | 5 | 10 | 54 | 0 | 7 | 1 | 0 | 0 | 0 | 0 | 2.75 |
| RP | Balfour, G.Balfour, Grant >> | 35 | 2012 | R | 59 | 28 | 0 | 2 | 1 | 2.70 | .310 | 1.29 | 7.9 | 3.8 | 7.4 | 33.1 | 29 | 10 | 10 | 5 | 14 | 27 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 4.79 |
| RP | Kelley, S.Kelley, Shawn >> | 32 | 2016 | R | 58 | 26 | 0 | 2 | 2 | 6.39 | .339 | 1.50 | 10.8 | 2.9 | 11.2 | 25.1 | 30 | 18 | 18 | 3 | 8 | 31 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 3.16 |