| SP | Sale, C.Sale, Chris † $ >> | 29 | 2018 | L | 98 | 19 | 19 | 8 | 5 | 2.78 | .273 | 1.11 | 6.8 | 3.2 | 7.8 | 120.0 | 91 | 40 | 37 | 10 | 42 | 104 | 0 | 0 | 0 | 0 | 13 | 2 | 2 | 3.45 |
| SP | Mathewson, C.Mathewson, Christy † $ >> | 28 | 1908 | R | 83 | 18 | 18 | 13 | 3 | 2.21 | .222 | 0.86 | 6.1 | 1.6 | 5.3 | 142.2 | 97 | 35 | 35 | 11 | 25 | 84 | 7 | 0 | 0 | 2 | 15 | 0 | 1 | 3.35 |
| SP | Fernandez, S.Fernandez, Sid # $$ >> | 23 | 1985 | L | 49 | 18 | 18 | 10 | 5 | 3.25 | .274 | 1.10 | 6.7 | 3.3 | 7.0 | 124.2 | 92 | 45 | 45 | 13 | 45 | 97 | 3 | 0 | 0 | 1 | 15 | 4 | 2 | 3.98 |
| SP | Krause, H.Krause, Harry >> | 21 | 1909 | L | 72 | 18 | 18 | 9 | 3 | 3.22 | .284 | 1.19 | 8.0 | 2.7 | 4.4 | 120.1 | 107 | 43 | 43 | 11 | 36 | 58 | 1 | 0 | 0 | 1 | 14 | 0 | 1 | 4.13 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 17 | 17 | 10 | 1 | 3.95 | .275 | 1.13 | 7.3 | 2.9 | 8.9 | 107.0 | 87 | 48 | 47 | 16 | 34 | 106 | 3 | 0 | 0 | 2 | 9 | 1 | 4 | 3.94 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 50 | 0 | 3 | 0 | 2.87 | .215 | 0.80 | 5.4 | 1.9 | 8.0 | 37.2 | 22 | 12 | 12 | 6 | 8 | 33 | 0 | 2 | 2 | 0 | 0 | 1 | 3 | 4.05 |
| RP | Dotel, O.Dotel, Octavio >> | 29 | 2002 | R | 68 | 23 | 0 | 2 | 4 | 3.26 | .266 | 1.09 | 6.2 | 3.8 | 8.5 | 19.1 | 13 | 7 | 7 | 2 | 8 | 18 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 3.74 |
| RP | Soria, J.Soria, Joakim >> | 24 | 2008 | R | 69 | 5 | 0 | 1 | 1 | 6.23 | .409 | 2.08 | 15.8 | 4.5 | 6.8 | 4.1 | 7 | 3 | 3 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 78 | 56 | 0 | 2 | 1 | 1.49 | .244 | 0.97 | 4.5 | 4.3 | 9.4 | 42.1 | 21 | 7 | 7 | 1 | 20 | 44 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 2.64 |
| RP | Perkins, G.Perkins, Glen >> | 30 | 2013 | L | 50 | 44 | 0 | 2 | 2 | 0.84 | .276 | 1.14 | 7.0 | 3.4 | 7.6 | 32.1 | 25 | 5 | 3 | 2 | 12 | 27 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 3.25 |
| CL | Uehara, K.Uehara, Koji † >> | 38 | 2013 | R | 100 | 30 | 0 | 2 | 0 | 1.26 | .164 | 0.59 | 3.6 | 1.8 | 7.2 | 35.2 | 14 | 5 | 5 | 2 | 7 | 28 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 2.74 |