| SP | Steele, E.Steele, Elmer >> | 22 | 1908 | R | 82 | 37 | 37 | 17 | 9 | 3.96 | .306 | 1.30 | 9.2 | 2.5 | 5.1 | 245.1 | 250 | 111 | 108 | 31 | 68 | 140 | 7 | 0 | 0 | 3 | 21 | 6 | 0 | 4.41 |
| SP | Shore, E.Shore, Ernie # >> | 23 | 1914 | R | 49 | 36 | 36 | 14 | 10 | 5.51 | .334 | 1.49 | 10.2 | 3.2 | 5.1 | 209.0 | 236 | 135 | 128 | 25 | 75 | 119 | 3 | 0 | 0 | 0 | 14 | 3 | 5 | 4.54 |
| SP | Cicotte, E.Cicotte, Eddie >> | 25 | 1909 | R | 21 | 35 | 27 | 8 | 14 | 6.36 | .380 | 1.81 | 10.7 | 5.6 | 5.6 | 145.2 | 172 | 112 | 103 | 15 | 91 | 91 | 0 | 1 | 1 | 0 | 12 | 5 | 2 | 5.08 |
| CL | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 93 | 74 | 0 | 3 | 2 | 3.06 | .292 | 1.22 | 7.5 | 3.5 | 9.9 | 79.1 | 66 | 27 | 27 | 12 | 31 | 87 | 0 | 33 | 5 | 0 | 0 | 1 | 0 | 3.99 |
| RP | Brasier, R.Brasier, Ryan >> | 30 | 2018 | R | 77 | 96 | 0 | 9 | 3 | 3.52 | .298 | 1.24 | 7.7 | 3.5 | 5.7 | 120.1 | 102 | 53 | 47 | 17 | 47 | 76 | 0 | 3 | 2 | 0 | 0 | 4 | 1 | 4.85 |
| RP | Miller, A.Miller, Andrew >> | 29 | 2014 | L | 61 | 82 | 0 | 9 | 1 | 3.26 | .305 | 1.31 | 7.4 | 4.4 | 9.8 | 102.0 | 84 | 40 | 37 | 11 | 50 | 111 | 0 | 2 | 1 | 0 | 0 | 0 | 5 | 3.70 |
| RP | Uehara, K.Uehara, Koji >> | 41 | 2016 | R | 30 | 66 | 0 | 4 | 1 | 3.18 | .283 | 1.17 | 7.8 | 2.7 | 9.3 | 82.0 | 71 | 31 | 29 | 8 | 25 | 85 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 3.15 |