| SP | Snell, B.Snell, Blake # >> | 25 | 2018 | L | 94 | 36 | 36 | 6 | 9 | 4.97 | .330 | 1.45 | 8.9 | 4.1 | 10.2 | 212.0 | 210 | 119 | 117 | 39 | 97 | 240 | 0 | 0 | 0 | 0 | 14 | 6 | 7 | 4.58 |
| SP | Corbin, P.Corbin, Patrick >> | 28 | 2018 | L | 64 | 35 | 35 | 11 | 11 | 6.90 | .361 | 1.65 | 11.1 | 3.7 | 9.4 | 198.1 | 245 | 159 | 152 | 41 | 82 | 206 | 0 | 0 | 0 | 0 | 11 | 9 | 6 | 4.99 |
| SP | Gonzalez, G.Gonzalez, Gio # >> | 27 | 2012 | L | 46 | 31 | 31 | 15 | 8 | 5.71 | .341 | 1.52 | 10.1 | 3.6 | 10.1 | 192.1 | 215 | 127 | 122 | 31 | 77 | 215 | 0 | 0 | 0 | 0 | 13 | 6 | 5 | 4.16 |
| RP | McHugh, C.McHugh, Collin >> | 31 | 2018 | R | 63 | 93 | 0 | 7 | 7 | 5.54 | .336 | 1.46 | 9.0 | 4.1 | 9.7 | 128.1 | 128 | 79 | 79 | 23 | 59 | 138 | 0 | 10 | 7 | 0 | 0 | 8 | 0 | 4.75 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 34 | 2014 | R | 45 | 87 | 0 | 9 | 8 | 4.42 | .303 | 1.29 | 8.3 | 3.3 | 6.9 | 114.0 | 105 | 61 | 56 | 13 | 42 | 87 | 0 | 9 | 7 | 0 | 0 | 2 | 1 | 4.11 |
| RP | Knebel, C.Knebel, Corey >> | 25 | 2017 | R | 31 | 78 | 0 | 5 | 7 | 5.57 | .349 | 1.59 | 9.3 | 5.1 | 11.4 | 85.2 | 88 | 53 | 53 | 15 | 48 | 108 | 0 | 6 | 3 | 0 | 0 | 2 | 1 | 4.52 |
| SP | Montas, F.Montas, Frankie >> | 26 | 2019 | R | 33 | 2 | 0 | 1 | 0 | 0.00 | .333 | 1.50 | 18.0 | 0.0 | 18.0 | 2.2 | 4 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | -1.00 |