Pitching Statistics | MLB
| Player | Team | Pos | G | GS | W | L | SV | BS | HLD | CG | SHO | IP | H | R | ER | HR | BB | SO | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ryan Dempster | Boston Red Sox | P | 9 | 9 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 52.2 | 44 | 29 | 25 | 9 | 25 | 63 | 4.27 | 1.31 |
| Jon Lester | Boston Red Sox | P | 10 | 10 | 6 | 1 | 0 | 0 | 0 | 1 | 1 | 65.2 | 52 | 25 | 23 | 5 | 18 | 52 | 3.15 | 1.07 |
| Joel Hanrahan | Boston Red Sox | P | 9 | 0 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 7.1 | 10 | 8 | 8 | 4 | 6 | 5 | 9.82 | 2.18 |
| Koji Uehara | Boston Red Sox | P | 20 | 0 | 0 | 0 | 1 | 1 | 10 | 0 | 0 | 18.2 | 14 | 4 | 4 | 3 | 4 | 28 | 1.93 | 0.96 |
| Felix Doubront | Boston Red Sox | P | 8 | 7 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 43.1 | 51 | 27 | 27 | 3 | 24 | 45 | 5.61 | 1.73 |
| John Lackey | Boston Red Sox | P | 6 | 6 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 32.2 | 32 | 17 | 12 | 3 | 8 | 32 | 3.31 | 1.22 |
| Junichi Tazawa | Boston Red Sox | P | 20 | 0 | 3 | 2 | 0 | 2 | 9 | 0 | 0 | 19.1 | 19 | 6 | 6 | 3 | 3 | 25 | 2.79 | 1.14 |
| Andrew Bailey | Boston Red Sox | P | 14 | 0 | 1 | 0 | 5 | 1 | 4 | 0 | 0 | 13.1 | 7 | 3 | 3 | 2 | 4 | 21 | 2.03 | 0.83 |
| Clay Buchholz | Boston Red Sox | P | 10 | 10 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 72.2 | 49 | 14 | 14 | 2 | 27 | 73 | 1.73 | 1.05 |
| Clayton Mortensen | Boston Red Sox | P | 17 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 22.0 | 17 | 9 | 9 | 2 | 11 | 17 | 3.68 | 1.27 |
| Andrew Miller | Boston Red Sox | P | 21 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 0 | 14.1 | 11 | 6 | 6 | 1 | 8 | 25 | 3.77 | 1.33 |
| Alex Wilson | Boston Red Sox | P | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 16.0 | 15 | 3 | 3 | 0 | 8 | 12 | 1.69 | 1.44 |
| Craig Breslow | Boston Red Sox | P | 8 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 7.2 | 6 | 2 | 1 | 0 | 3 | 3 | 1.17 | 1.17 |
