| SP | Bevens, B.Bevens, Bill >> | 30 | 1946 | R | 87 | 33 | 33 | 9 | 21 | 4.66 | .313 | 1.36 | 9.0 | 3.2 | 4.4 | 255.0 | 256 | 137 | 132 | 35 | 91 | 124 | 14 | 0 | 0 | 1 | 14 | 1 | 0 | 4.89 |
| SP | Leonard, D.Leonard, Dutch † >> | 38 | 1947 | R | 59 | 32 | 32 | 15 | 10 | 3.99 | .312 | 1.35 | 9.2 | 2.9 | 5.0 | 248.0 | 253 | 115 | 110 | 24 | 81 | 139 | 4 | 0 | 0 | 1 | 17 | 4 | 5 | 4.17 |
| RP | Petit, Y.Petit, Yusmeiro >> | 35 | 2019 | R | 78 | 75 | 0 | 1 | 3 | 2.71 | .255 | 1.00 | 7.4 | 1.6 | 7.0 | 96.1 | 79 | 32 | 29 | 12 | 17 | 75 | 0 | 9 | 6 | 0 | 0 | 3 | 0 | 3.69 |
| RP | Balfour, G.Balfour, Grant >> | 35 | 2012 | R | 74 | 60 | 0 | 1 | 6 | 2.88 | .276 | 1.13 | 7.0 | 3.2 | 6.3 | 59.1 | 46 | 22 | 19 | 7 | 21 | 41 | 0 | 7 | 2 | 0 | 0 | 1 | 2 | 4.27 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 34 | 2014 | R | 64 | 22 | 0 | 2 | 0 | 0.00 | .182 | 0.67 | 4.3 | 1.7 | 5.3 | 27.0 | 13 | 0 | 0 | 0 | 5 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2.37 |
| RP | Soriano, R.Soriano, Rafael >> | 33 | 2012 | R | 11 | 25 | 0 | 1 | 0 | 3.10 | .326 | 1.41 | 7.1 | 5.6 | 6.5 | 29.0 | 23 | 10 | 10 | 3 | 18 | 21 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 4.86 |
| SP | Fowler, D.Fowler, Dick >> | 26 | 1947 | R | 30 | 14 | 0 | 4 | 3 | 3.34 | .270 | 1.06 | 7.2 | 2.4 | 5.1 | 56.2 | 45 | 22 | 21 | 7 | 15 | 32 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4.45 |