| Starting Rotation | ERA |
|---|---|
| Jon Lester | 4.37 |
| Clay Buchholz | 1.71 |
| Ryan Dempster | 4.21 |
| John Lackey | 3.08 |
| Felix Doubront | 4.38 |
| Bullpen | ERA |
| Andrew Bailey | 3.22 |
| Koji Uehara | 2.17 |
| Craig Breslow | 1.86 |
| Andrew Miller | 2.77 |
| Junichi Tazawa | 2.51 |
| Franklin Morales | 6.00 |
| Pedro Beato | 0.00 |
| Position | Starter | 2 | 3 | 4 |
|---|---|---|---|---|
| Catcher | Jarrod Saltalamacchia | Ryan Lavarnway | ||
| First Base | Mike Napoli | Mike Carp | ||
| Second Base | Dustin Pedroia | |||
| Shortstop | Stephen Drew | |||
| Third Base | Will Middlebrooks | José Iglesias | ||
| Left Field | Jacoby Ellsbury | Jonny Gómes | ||
| Center Field | Shane Victorino | |||
| Right Field | Daniel Nava | |||
| Designated Hitter | David Ortiz |