| RP | Sasaki, K.Sasaki, Kazuhiro | 33 | Red Bears | R | 25.5 | 19 | 0 | 3 | 0 | 1.17 | .225 | 0.87 | 5.5 | 2.3 | 5.5 | 23.0 | 14 | 4 | 3 | 1 | 6 | 14 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 3.13 |
| CL | Balfour, G.Balfour, Grant $ | 31 | Bounty Hunters | R | 25.0 | 15 | 0 | 1 | 1 | 3.86 | .319 | 1.41 | 3.9 | 9.0 | 11.8 | 16.1 | 7 | 7 | 7 | 1 | 16 | 21 | 0 | 8 | 0 | 0 | 0 | 0 | 1 | 4.19 |
| CL | Benitez, A.Benitez, Armando | 32 | Crabs | R | 22.5 | 21 | 0 | 2 | 1 | 3.09 | .320 | 1.37 | 8.2 | 4.3 | 5.9 | 23.1 | 21 | 9 | 8 | 1 | 11 | 15 | 0 | 5 | 3 | 0 | 0 | 1 | 0 | 3.83 |
| RP | Politte, C.Politte, Cliff | 31 | Suns | R | 20.0 | 14 | 0 | 2 | 0 | 2.95 | .313 | 1.31 | 8.0 | 4.0 | 7.0 | 18.1 | 16 | 6 | 6 | 2 | 8 | 14 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 4.39 |
| RP | Zimmerman, J.Zimmerman, Jeff | 29 | Bounty Hunters | R | 18.5 | 17 | 0 | 3 | 1 | 3.38 | .289 | 1.22 | 9.0 | 2.1 | 6.9 | 21.1 | 21 | 10 | 8 | 4 | 5 | 16 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 4.67 |
| CL | Papelbon, J.Papelbon, Jonathan $ | 26 | Patriots | R | 18.5 | 14 | 0 | 2 | 1 | 4.70 | .324 | 1.37 | 9.6 | 3.0 | 12.6 | 15.1 | 16 | 8 | 8 | 3 | 5 | 21 | 0 | 5 | 3 | 0 | 0 | 1 | 3 | 4.00 |