| Starting Rotation | ERA |
|---|---|
| Aaron Harang | 4.21 |
| Bronson Arroyo | 3.84 |
| Homer Bailey | 4.53 |
| Micah Owings | 5.34 |
| Johnny Cueto | 4.41 |
| Matt Maloney | 4.87 |
| Bullpen | ERA |
| Francisco Cordero | 2.16 |
| Arthur Rhodes | 2.53 |
| Nick Masset | 2.37 |
| Daniel Ray Herrera | 3.06 |
| Jared Burton | 4.40 |
| Carlos Fisher | 4.47 |
| Position | Starter | 2nd | 3rd | 4th |
|---|---|---|---|---|
| Catcher | Ramón Hernández | Ryan Hanigan | ||
| First Base | Joey Votto | |||
| Second Base | Brandon Phillips | Adam Rosales | ||
| Shortstop | Paul Janish | Drew Sutton | ||
| Third Base | Scott Rolen | Juan Francisco | ||
| Left Field | Wladimir Balentien | Chris Dickerson | ||
| Center Field | Drew Stubbs | Willy Taveras | ||
| Right Field | Jay Bruce | Jonny Gomes |