| Starting Rotation | ERA |
|---|---|
| Jon Lester | 3.15 |
| Clay Buchholz | 1.78 |
| Ryan Dempster | 4.27 |
| John Lackey | 3.31 |
| Felix Doubront | 6.03 |
| Bullpen | ERA |
| Andrew Bailey | 1.46 |
| Koji Uehara | 2.04 |
| Craig Breslow | 1.17 |
| Junichi Tazawa | 2.79 |
| Andrew Miller | 3.86 |
| Clayton Mortensen | 3.68 |
| Alex Wilson | 1.26 |
| Position | Starter | 2 | 3 | 4 |
|---|---|---|---|---|
| Catcher | Jarrod Saltalamacchia | Ryan Lavarnway | ||
| First Base | Mike Napoli | |||
| Second Base | Dustin Pedroia | |||
| Shortstop | Stephen Drew | |||
| Third Base | Will Middlebrooks | Pedro Ciriaco | ||
| Left Field | Daniel Nava | Mike Carp | ||
| Center Field | Jacoby Ellsbury | |||
| Right Field | Shane Victorino | |||
| Designated Hitter | David Ortiz | Jonny Gomes |