Pitching Statistics | MLB
| Player | Team | Pos | G | GS | W | L | SV | BS | HLD | CG | SHO | IP | H | R | ER | HR | BB | SO | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jordan Zimmermann | Washington Nationals | P | 9 | 9 | 7 | 2 | 0 | 0 | 0 | 3 | 1 | 66.2 | 49 | 13 | 12 | 3 | 9 | 45 | 1.62 | 0.87 |
| Dan Haren | Washington Nationals | P | 9 | 9 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 50.1 | 64 | 35 | 31 | 10 | 8 | 36 | 5.54 | 1.43 |
| Gio Gonzalez | Washington Nationals | P | 9 | 9 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 51.2 | 39 | 24 | 23 | 6 | 24 | 52 | 4.01 | 1.22 |
| Ross Detwiler | Washington Nationals | P | 8 | 8 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 45.2 | 56 | 16 | 14 | 3 | 10 | 23 | 2.76 | 1.45 |
| Stephen Strasburg | Washington Nationals | P | 10 | 10 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 64.1 | 51 | 28 | 19 | 5 | 21 | 62 | 2.66 | 1.12 |
| Tyler Clippard | Washington Nationals | P | 18 | 0 | 2 | 1 | 0 | 0 | 8 | 0 | 0 | 17.0 | 7 | 5 | 5 | 1 | 11 | 17 | 2.65 | 1.06 |
| Craig Stammen | Washington Nationals | P | 12 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 22.2 | 22 | 7 | 7 | 2 | 5 | 23 | 2.78 | 1.19 |
| Rafael Soriano | Washington Nationals | P | 20 | 0 | 1 | 1 | 12 | 3 | 0 | 0 | 0 | 20.0 | 20 | 8 | 7 | 2 | 4 | 15 | 3.15 | 1.20 |
| Ryan Mattheus | Washington Nationals | P | 14 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 16.1 | 20 | 9 | 9 | 0 | 5 | 12 | 4.96 | 1.53 |
| Yunesky Maya | Washington Nationals | P | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0.1 | 2 | 2 | 2 | 1 | 0 | 0 | 54.00 | 6.00 |
| Drew Storen | Washington Nationals | P | 17 | 0 | 0 | 0 | 1 | 2 | 6 | 0 | 0 | 17.1 | 24 | 11 | 9 | 3 | 3 | 16 | 4.67 | 1.56 |
| Henry Rodriguez | Washington Nationals | P | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 14.2 | 10 | 6 | 6 | 1 | 13 | 10 | 3.68 | 1.57 |
| Zach Duke | Washington Nationals | P | 10 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 18.1 | 29 | 20 | 18 | 2 | 4 | 11 | 8.84 | 1.80 |
