| Date | Team | Opp | Result | Dec | GS | IP | AB | BF | H | R | ER | HR | BB | IBB | SO | HBP | SH | SF | WP | BK | ERA | WHIP | K/9 | BB/9 | FIP | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | ||||||||||||||||||||||||||
| Season Total 1-2, 5 SV | 0 | 16.1 | 60 | 65 | 12 | 6 | 5 | 1 | 5 | — | 15 | 0 | — | — | 0 | — | 2.76 | 1.04 | 8.28 | 2.76 | — | 133 |
| Date | Team | Opp | Result | Pos | PA | AB | R | H | TB | 2B | 3B | HR | RBI | SH | SF | HBP | BB | IBB | SO | SB | CS | GIDP | PO | A | E | DP | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 Playoffs | ||||||||||||||||||||||||||||||
| Season Total | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — |
| Date | Team | Opp | Result | Dec | GS | IP | AB | BF | H | R | ER | HR | BB | IBB | SO | HBP | SH | SF | WP | BK | ERA | WHIP | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 Playoffs | ||||||||||||||||||||||||
| Season Total 0-1, 2 SV | 0 | 3.0 | 14 | 17 | 5 | 3 | 3 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 9.00 | 2.33 | 3.00 | 6.00 |
| Year | Level | Team | Org | G | PA | AB | R | H | TB | 2B | 3B | HR | RBI | BB | SO | SB | CS | HBP | SF | SAC | GIDP | AVG | OBP | SLG | OPS | BABIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | MLB | Washington Nationals | Washington Nationals | 54 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.500 | 0.500 | 0.500 | 1.000 | 1.000 |
| 2011 | MLB | Washington Nationals | Washington Nationals | 73 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2012 | MLB | Washington Nationals | Washington Nationals | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2013 | MLB | Washington Nationals | Washington Nationals | 68 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2014 | MLB | Washington Nationals | Washington Nationals | 65 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2015 | MLB | Washington Nationals | Washington Nationals | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2016 | MLB | 2 Teams | 2 Teams | 57 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2017 | MLB | Cincinnati Reds | Cincinnati Reds | 58 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2010–2017 | MLB | Career (8 yrs) | 470 | 3 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.333 | 0.333 | 0.333 | 0.666 | — |
| Year | Level | Team | Org | G | GS | IP | H | R | ER | BB | SO | HR | W | L | SV | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | AA | Harrisburg | Washington Nationals | 10 | 0 | 12.1 | 3 | 0 | 0 | 6 | 12 | 0 | 1 | 0 | 9 | 0.00 | 0.73 | 8.76 |
| 2010 | AA | Harrisburg | Washington Nationals | 7 | 0 | 9.1 | 5 | 1 | 1 | 1 | 11 | 1 | 0 | 0 | 4 | 0.96 | 0.64 | 10.61 |
| 2010 | AAA | Syracuse | Washington Nationals | 6 | 0 | 7.1 | 7 | 1 | 1 | 2 | 4 | 0 | 0 | 0 | 0 | 1.23 | 1.23 | 4.91 |
| 2010 | MLB | Washington Nationals | Washington Nationals | 54 | 0 | 55.1 | 48 | 24 | 22 | 22 | 52 | 3 | 4 | 4 | 5 | 3.58 | 1.27 | 8.46 |
| 2011 | MLB | Washington Nationals | Washington Nationals | 73 | 0 | 75.1 | 57 | 24 | 23 | 20 | 74 | 8 | 6 | 3 | 43 | 2.75 | 1.02 | 8.84 |
| 2012 | AA | Harrisburg | Washington Nationals | 1 | 0 | 0.2 | 3 | 4 | 4 | 1 | 0 | 1 | 0 | 0 | 0 | 54.00 | 6.00 | — |
| 2012 | MLB | Washington Nationals | Washington Nationals | 37 | 0 | 30.1 | 22 | 8 | 8 | 8 | 24 | 0 | 3 | 1 | 4 | 2.37 | 0.99 | 7.12 |
| 2013 | AAA | Syracuse | Washington Nationals | 6 | 1 | 6.1 | 7 | 5 | 4 | 0 | 11 | 1 | 0 | 0 | 0 | 5.68 | 1.11 | 15.63 |
| 2013 | MLB | Washington Nationals | Washington Nationals | 68 | 0 | 61.2 | 65 | 34 | 31 | 19 | 58 | 7 | 4 | 2 | 3 | 4.52 | 1.36 | 8.46 |
| 2014 | MLB | Washington Nationals | Washington Nationals | 65 | 0 | 56.1 | 44 | 8 | 7 | 11 | 46 | 2 | 2 | 1 | 11 | 1.12 | 0.98 | 7.35 |
| 2015 | MLB | Washington Nationals | Washington Nationals | 58 | 0 | 55.0 | 45 | 23 | 21 | 16 | 67 | 4 | 2 | 2 | 29 | 3.44 | 1.11 | 10.96 |
| 2016 | AAA | Tacoma | Seattle Mariners | 1 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.00 | 1.00 | 9.00 |
| 2016 | MLB | 2 Teams | 2 Teams | 57 | 0 | 51.2 | 56 | 30 | 30 | 13 | 48 | 7 | 4 | 3 | 3 | 5.23 | 1.34 | 8.36 |
| 2017 | MLB | Cincinnati Reds | Cincinnati Reds | 58 | 0 | 54.2 | 57 | 32 | 27 | 23 | 48 | 7 | 4 | 2 | 1 | 4.45 | 1.46 | 7.90 |
| 2019 | AA | NW Arkansas | Kansas City Royals | 9 | 0 | 10.1 | 15 | 9 | 9 | 5 | 12 | 1 | 0 | 1 | 0 | 7.84 | 1.94 | 10.45 |
| 2010–2017 | MLB | Career (8 yrs) | 470 | 0 | 440.1 | 394 | 183 | 169 | 132 | 417 | 38 | 29 | 18 | 99 | 3.45 | 1.19 | 8.52 | |
| 2010–2016 | AAA | Career (3 yrs) | 13 | 1 | 14.2 | 15 | 6 | 5 | 2 | 16 | 1 | 0 | 0 | 0 | 3.07 | 1.16 | 9.82 | |
| 2009–2019 | AA | Career (4 yrs) | 27 | 0 | 32.2 | 26 | 14 | 14 | 13 | 35 | 3 | 1 | 1 | 13 | 3.86 | 1.19 | 9.64 |