| SP | Buchholz, C.Buchholz, Clay >> | 29 | 2013 | R | 81 | 4 | 4 | 1 | 1 | 4.33 | .352 | 1.59 | 9.7 | 4.7 | 6.7 | 27.0 | 29 | 13 | 13 | 2 | 14 | 20 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 4.15 |
| SP | Strasburg, S.Strasburg, Stephen >> | 30 | 2019 | R | 78 | 4 | 4 | 2 | 2 | 2.63 | .293 | 1.24 | 7.7 | 3.7 | 10.7 | 27.1 | 23 | 11 | 8 | 4 | 11 | 32 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 3.78 |
| SP | Iwakuma, H.Iwakuma, Hisashi # >> | 32 | 2013 | R | 64 | 4 | 4 | 1 | 1 | 5.61 | .325 | 1.44 | 9.7 | 3.6 | 6.5 | 25.2 | 27 | 16 | 16 | 4 | 10 | 18 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 4.84 |
| SP | Lackey, J.Lackey, John >> | 38 | 2016 | R | 60 | 4 | 4 | 1 | 2 | 5.84 | .362 | 1.70 | 9.8 | 6.0 | 7.9 | 24.2 | 26 | 18 | 16 | 4 | 16 | 21 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 5.42 |
| RP | Jansen, K.Jansen, Kenley >> | 28 | 2016 | R | 98 | 11 | 0 | 0 | 0 | 5.93 | .359 | 1.46 | 8.3 | 5.5 | 12.5 | 13.2 | 12 | 9 | 9 | 3 | 8 | 18 | 0 | 1 | 1 | 0 | 0 | 3 | 1 | 5.77 |
| RP | Clippard, T.Clippard, Tyler >> | 26 | 2011 | R | 81 | 10 | 0 | 0 | 0 | 2.84 | .367 | 1.66 | 6.0 | 9.8 | 6.8 | 12.2 | 8 | 4 | 4 | 1 | 13 | 9 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 6.08 |
| RP | McHugh, C.McHugh, Collin >> | 31 | 2018 | R | 64 | 8 | 0 | 2 | 1 | 3.60 | .302 | 1.20 | 6.3 | 4.5 | 12.6 | 10.0 | 7 | 4 | 4 | 1 | 5 | 14 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 3.30 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 34 | 2014 | R | 47 | 7 | 0 | 1 | 0 | 3.68 | .389 | 1.91 | 11.6 | 6.4 | 9.0 | 7.1 | 9 | 3 | 3 | 2 | 5 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6.86 |
| RP | Smith, C.Smith, Carson >> | 25 | 2015 | R | 37 | 6 | 0 | 1 | 0 | 12.00 | .379 | 1.67 | 12.0 | 3.0 | 10.5 | 6.0 | 8 | 8 | 8 | 1 | 2 | 7 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 4.33 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 46 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |