| SP | Greinke, Z.Greinke, Zack $$ >> | 32 | 2015 | R | 94 | 34 | 34 | 14 | 10 | 3.34 | .288 | 1.21 | 7.6 | 3.3 | 6.1 | 226.2 | 192 | 92 | 84 | 24 | 82 | 153 | 6 | 0 | 0 | 0 | 24 | 1 | 7 | 4.13 |
| SP | Richard, J.Richard, J.R. $ >> | 30 | 1980 | R | 90 | 33 | 33 | 12 | 9 | 3.81 | .300 | 1.28 | 7.1 | 4.3 | 6.8 | 203.0 | 161 | 87 | 86 | 22 | 98 | 153 | 2 | 0 | 0 | 0 | 21 | 2 | 3 | 4.38 |
| SP | Johnson, R.Johnson, Randy # >> | 41 | 2004 | L | 84 | 33 | 33 | 9 | 8 | 4.60 | .290 | 1.21 | 8.5 | 2.4 | 8.0 | 189.2 | 179 | 102 | 97 | 27 | 51 | 168 | 1 | 0 | 0 | 1 | 17 | 2 | 3 | 3.92 |
| SP | Horlen, J.Horlen, Joe # >> | 27 | 1964 | R | 78 | 31 | 31 | 9 | 9 | 5.64 | .330 | 1.47 | 9.3 | 4.0 | 4.3 | 159.2 | 164 | 114 | 100 | 22 | 70 | 76 | 0 | 0 | 0 | 0 | 14 | 2 | 3 | 5.20 |
| RP | Rivera, M.Rivera, Mariano $ >> | 39 | 2008 | R | 85 | 90 | 0 | 8 | 2 | 3.51 | .263 | 1.06 | 7.3 | 2.3 | 7.4 | 102.2 | 83 | 42 | 40 | 14 | 26 | 84 | 0 | 3 | 4 | 0 | 0 | 1 | 0 | 3.93 |
| RP | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 59 | 0 | 7 | 1 | 2.09 | .286 | 1.20 | 7.0 | 3.8 | 8.6 | 69.0 | 54 | 19 | 16 | 6 | 29 | 66 | 0 | 3 | 3 | 0 | 0 | 0 | 3 | 3.48 |
| RP | Treinen, B.Treinen, Blake $$ >> | 30 | 2018 | R | 80 | 53 | 0 | 7 | 2 | 3.70 | .303 | 1.30 | 7.6 | 4.2 | 9.2 | 58.1 | 49 | 26 | 24 | 5 | 27 | 59 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 3.48 |
| RP | Hoffman, T.Hoffman, Trevor >> | 31 | 1998 | R | 75 | 45 | 0 | 4 | 0 | 4.47 | .291 | 1.23 | 7.8 | 3.3 | 9.8 | 46.1 | 40 | 23 | 23 | 6 | 17 | 50 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 3.63 |
| CL | Chapman, A.Chapman, Aroldis >> | 26 | 2014 | L | 94 | 68 | 0 | 7 | 8 | 3.77 | .297 | 1.24 | 6.3 | 4.9 | 8.1 | 74.0 | 52 | 31 | 31 | 7 | 40 | 67 | 0 | 30 | 12 | 0 | 0 | 2 | 3 | 4.12 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 56 | 0 | 3 | 3 | 3.67 | .275 | 1.14 | 6.6 | 3.7 | 7.2 | 81.0 | 59 | 33 | 33 | 10 | 33 | 65 | 0 | 3 | 6 | 0 | 0 | 0 | 0 | 4.22 |