| SP | Johnson, W.Johnson, Walter >> | 26 | 1913 | R | 95 | 19 | 19 | 8 | 9 | 2.97 | .264 | 1.05 | 7.1 | 2.4 | 5.3 | 157.2 | 124 | 52 | 52 | 17 | 41 | 93 | 9 | 0 | 0 | 3 | 11 | 5 | 3 | 4.10 |
| SP | Gibson, B.Gibson, Bob # >> | 33 | 1968 | R | 93 | 21 | 21 | 9 | 10 | 3.26 | .306 | 1.28 | 8.7 | 2.9 | 5.9 | 165.2 | 159 | 62 | 60 | 14 | 53 | 108 | 10 | 0 | 0 | 1 | 12 | 7 | 3 | 3.88 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 20 | 20 | 4 | 7 | 4.14 | .322 | 1.40 | 9.4 | 3.2 | 8.7 | 141.1 | 148 | 65 | 65 | 15 | 50 | 137 | 0 | 0 | 0 | 0 | 10 | 3 | 5 | 3.57 |
| SP | Fernandez, J.Fernandez, Jose >> | 21 | 2013 | R | 76 | 19 | 19 | 5 | 10 | 4.26 | .318 | 1.37 | 8.3 | 4.1 | 8.2 | 120.1 | 111 | 58 | 57 | 11 | 54 | 109 | 0 | 0 | 0 | 0 | 9 | 3 | 1 | 3.80 |
| RP | Feliz, N.Feliz, Neftali >> | 21 | 2009 | R | 97 | 54 | 0 | 1 | 4 | 2.86 | .260 | 1.01 | 5.9 | 3.2 | 8.5 | 50.1 | 33 | 16 | 16 | 1 | 18 | 47 | 0 | 6 | 2 | 0 | 0 | 2 | 0 | 2.58 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 26 | 0 | 2 | 2 | 3.86 | .274 | 1.13 | 7.2 | 3.2 | 8.3 | 25.2 | 20 | 11 | 11 | 5 | 9 | 23 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 4.84 |
| RP | Saito, T.Saito, Takashi >> | 37 | 2007 | R | 92 | 8 | 0 | 0 | 1 | 15.43 | .447 | 2.43 | 14.1 | 7.7 | 10.3 | 7.0 | 11 | 12 | 12 | 3 | 6 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.86 |
| SP | Clemens, R.Clemens, Roger >> | 24 | 1986 | R | 69 | 9 | 2 | 1 | 2 | 4.09 | .313 | 1.36 | 8.7 | 3.5 | 5.7 | 33.0 | 32 | 15 | 15 | 4 | 13 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 4.48 |