| SP | Arrieta, J.Arrieta, Jake >> | 29 | 2015 | R | 95 | 4 | 4 | 2 | 2 | 4.56 | .330 | 1.48 | 10.1 | 3.6 | 10.1 | 25.2 | 28 | 13 | 13 | 1 | 10 | 28 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 2.48 |
| SP | Hudson, D.Hudson, Daniel >> | 23 | 2010 | R | 82 | 3 | 3 | 2 | 1 | 4.29 | .300 | 1.29 | 9.0 | 2.6 | 7.7 | 21.0 | 21 | 10 | 10 | 3 | 6 | 18 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 4.00 |
| SP | Buchholz, C.Buchholz, Clay >> | 29 | 2013 | R | 81 | 4 | 4 | 1 | 0 | 3.10 | .298 | 1.28 | 7.4 | 4.0 | 9.3 | 29.0 | 24 | 10 | 10 | 3 | 13 | 30 | 1 | 0 | 0 | 1 | 3 | 0 | 0 | 3.62 |
| SP | Shields, J.Shields, James >> | 30 | 2011 | R | 62 | 3 | 3 | 2 | 0 | 3.86 | .330 | 1.48 | 8.6 | 4.7 | 6.4 | 21.0 | 20 | 9 | 9 | 2 | 11 | 15 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 4.38 |
| RP | Parker, B.Parker, Blake >> | 32 | 2017 | R | 80 | 7 | 0 | 2 | 0 | 2.70 | .286 | 1.20 | 10.8 | 0.0 | 9.9 | 10.0 | 12 | 3 | 3 | 2 | 0 | 11 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3.40 |
| RP | Ottavino, A.Ottavino, Adam >> | 32 | 2018 | R | 60 | 7 | 0 | 0 | 0 | 0.00 | .179 | 0.65 | 1.3 | 5.1 | 14.1 | 7.2 | 1 | 0 | 0 | 0 | 4 | 11 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1.57 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 34 | 2014 | R | 45 | 3 | 0 | 0 | 0 | 0.00 | .400 | 2.00 | 15.0 | 3.0 | 12.0 | 3.0 | 5 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.33 |
| RP | Smith, C.Smith, Carson >> | 25 | 2015 | R | 35 | 3 | 0 | 0 | 0 | 0.00 | .222 | 0.86 | 0.0 | 9.0 | 9.0 | 2.1 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.00 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 45 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Berrios, J.Berrios, Jose >> | 24 | 2018 | R | 34 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |