| SP | Hudson, D.Hudson, Daniel >> | 23 | 2010 | R | 82 | 10 | 10 | 3 | 4 | 4.39 | .349 | 1.61 | 9.8 | 4.7 | 6.7 | 55.1 | 60 | 27 | 27 | 8 | 29 | 41 | 1 | 0 | 0 | 0 | 6 | 0 | 2 | 4.98 |
| SP | Giolito, L.Giolito, Lucas # >> | 24 | 2019 | R | 71 | 10 | 10 | 5 | 2 | 5.16 | .299 | 1.17 | 8.7 | 1.9 | 8.7 | 52.1 | 50 | 30 | 30 | 13 | 11 | 50 | 0 | 0 | 0 | 0 | 3 | 6 | 0 | 5.31 |
| SP | Bieber, S.Bieber, Shane >> | 24 | 2019 | R | 50 | 10 | 9 | 2 | 2 | 6.50 | .325 | 1.45 | 11.6 | 1.6 | 7.6 | 45.2 | 58 | 33 | 33 | 12 | 8 | 38 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 5.31 |
| RP | Treinen, B.Treinen, Blake $ >> | 30 | 2018 | R | 79 | 24 | 0 | 2 | 1 | 3.27 | .267 | 1.09 | 6.3 | 3.5 | 11.7 | 33.0 | 23 | 12 | 12 | 2 | 13 | 43 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2.36 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 83 | 18 | 0 | 0 | 0 | 4.74 | .267 | 1.09 | 7.1 | 3.0 | 10.9 | 24.2 | 19 | 13 | 13 | 4 | 8 | 29 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 3.75 |
| RP | McHugh, C.McHugh, Collin >> | 31 | 2018 | R | 63 | 20 | 0 | 1 | 1 | 8.14 | .371 | 1.73 | 13.9 | 1.9 | 9.4 | 24.1 | 37 | 22 | 22 | 9 | 5 | 25 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6.54 |
| RP | Kelley, S.Kelley, Shawn >> | 32 | 2016 | R | 58 | 16 | 0 | 1 | 1 | 7.31 | .304 | 1.25 | 10.1 | 1.1 | 10.7 | 16.0 | 18 | 13 | 13 | 6 | 2 | 19 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6.06 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 34 | 2014 | R | 45 | 11 | 0 | 0 | 0 | 2.19 | .260 | 1.05 | 6.8 | 3.0 | 8.3 | 12.1 | 9 | 3 | 3 | 2 | 4 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.33 |
| SU | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 74 | 21 | 0 | 1 | 3 | 5.18 | .336 | 1.48 | 7.9 | 5.6 | 9.0 | 24.1 | 21 | 14 | 14 | 4 | 15 | 24 | 0 | 1 | 2 | 0 | 0 | 1 | 2 | 5.17 |
| CL | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 19 | 0 | 2 | 2 | 2.37 | .250 | 0.95 | 5.2 | 3.3 | 6.6 | 19.0 | 11 | 5 | 5 | 2 | 7 | 14 | 0 | 8 | 1 | 0 | 0 | 1 | 0 | 4.16 |