| SP | Foster, R.Foster, Rube >> | 26 | 1914 | R | 60 | 33 | 33 | 12 | 17 | 4.27 | .325 | 1.42 | 9.1 | 3.7 | 5.2 | 217.0 | 219 | 114 | 103 | 19 | 89 | 126 | 4 | 0 | 0 | 0 | 16 | 6 | 5 | 4.29 |
| SP | Wakefield, T.Wakefield, Tim # >> | 37 | 2003 | R | 31 | 33 | 32 | 11 | 12 | 5.07 | .339 | 1.51 | 9.8 | 3.9 | 6.0 | 179.1 | 194 | 105 | 101 | 19 | 77 | 120 | 0 | 0 | 0 | 0 | 12 | 5 | 2 | 4.41 |
| SP | Pennock, H.Pennock, Herb >> | 26 | 1920 | L | 30 | 32 | 32 | 13 | 13 | 5.42 | .342 | 1.55 | 10.0 | 3.9 | 5.1 | 191.0 | 213 | 122 | 115 | 24 | 83 | 109 | 0 | 0 | 0 | 0 | 15 | 2 | 0 | 4.83 |
| SP | Dobson, J.Dobson, Joe # >> | 31 | 1948 | R | 23 | 34 | 31 | 8 | 18 | 5.52 | .350 | 1.61 | 11.0 | 3.5 | 5.7 | 190.2 | 233 | 119 | 117 | 25 | 74 | 120 | 2 | 0 | 0 | 0 | 15 | 1 | 2 | 4.63 |
| RP | Uehara, K.Uehara, Koji >> | 38 | 2013 | R | 100 | 97 | 0 | 9 | 4 | 2.75 | .254 | 1.00 | 6.5 | 2.5 | 10.2 | 131.0 | 94 | 41 | 40 | 7 | 37 | 148 | 0 | 9 | 1 | 0 | 0 | 3 | 3 | 2.35 |
| RP | Kimbrel, C.Kimbrel, Craig >> | 29 | 2017 | R | 97 | 93 | 0 | 3 | 5 | 3.32 | .292 | 1.20 | 7.6 | 3.2 | 11.4 | 122.0 | 103 | 48 | 45 | 8 | 44 | 154 | 0 | 7 | 5 | 0 | 0 | 4 | 7 | 2.51 |
| RP | Chapman, A.Chapman, Aroldis >> | 37 | 2025 | L | 96 | 84 | 0 | 4 | 3 | 2.70 | .282 | 1.17 | 6.5 | 4.1 | 11.2 | 103.1 | 74 | 36 | 31 | 6 | 47 | 128 | 0 | 8 | 2 | 0 | 0 | 1 | 6 | 2.67 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 29 | 2009 | R | 45 | 68 | 0 | 3 | 5 | 3.81 | .303 | 1.31 | 8.6 | 3.2 | 8.0 | 85.0 | 81 | 37 | 36 | 6 | 30 | 76 | 0 | 7 | 2 | 0 | 0 | 0 | 0 | 3.19 |
| RP | Fornieles, M.Fornieles, Mike >> | 28 | 1960 | R | 32 | 55 | 0 | 4 | 2 | 4.94 | .364 | 1.67 | 11.2 | 4.0 | 6.1 | 74.2 | 92 | 43 | 41 | 9 | 33 | 50 | 0 | 1 | 2 | 0 | 0 | 3 | 5 | 4.69 |