| Date | Opp | Result | Pos | 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 | wOBA | wRC+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 — Falmouth · Missouri St | ||||||||||||||||||||||||||||||
| Season Total | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | 0.000 | — | — | — | — | — |
| Date | 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+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 — Falmouth · Missouri St | |||||||||||||||||||||||||
| Season Total 0-0 | 0 | 10.0 | 6 | 4 | 2 | 0 | 3 | 14 | 1.80 | 0.90 | 12.60 | 2.70 | — | 176 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | MLB | Washington Nationals | Washington Nationals | 1 | 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 | — |
| 2009 | AA | Harrisburg | Washington Nationals | 6 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2009 | MLB | Washington Nationals | Washington Nationals | 15 | 19 | 19 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0.053 | 0.053 | 0.053 | 0.106 | 0.143 |
| 2010 | AA | Harrisburg | Washington Nationals | 8 | 9 | 7 | 2 | 3 | 4 | 1 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.429 | 0.556 | 0.571 | 1.127 | 0.429 |
| 2010 | MLB | Washington Nationals | Washington Nationals | 8 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2011 | AAA | Syracuse | Washington Nationals | 16 | 10 | 8 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.125 | 0.222 | 0.125 | 0.347 | 0.125 |
| 2011 | MLB | Washington Nationals | Washington Nationals | 15 | 22 | 19 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 0.105 | 0.105 | 0.105 | 0.210 | 0.125 |
| 2012 | MLB | Washington Nationals | Washington Nationals | 33 | 49 | 45 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 22 | 0 | 0 | 0 | 0 | 3 | 0 | 0.044 | 0.065 | 0.044 | 0.109 | 0.087 |
| 2013 | MLB | Washington Nationals | Washington Nationals | 13 | 25 | 22 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 17 | 0 | 0 | 0 | 0 | 2 | 0 | 0.091 | 0.130 | 0.091 | 0.221 | 0.400 |
| 2014 | MLB | Washington Nationals | Washington Nationals | 47 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0.000 | 0.333 | 0.000 | 0.333 | — |
| 2015 | MLB | 2 Teams | 2 Teams | 41 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2016 | MLB | Oakland Athletics | Oakland Athletics | 9 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2019 | MLB | Chicago White Sox | Chicago White Sox | 18 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2021 | MLB | 2 Teams | 2 Teams | 53 | 3 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.333 | 0.333 | 0.333 | 0.666 | 1.000 |
| 2007–2021 | MLB | Career (11 yrs) | 253 | 134 | 121 | 3 | 8 | 8 | 0 | 0 | 0 | 3 | 3 | 63 | 0 | 0 | 0 | 0 | 10 | 0 | 0.066 | 0.089 | 0.066 | 0.155 | — | |
| 2011 | AAA | Career (1 yr) | 16 | 10 | 8 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.125 | 0.222 | 0.125 | 0.347 | — | |
| 2009–2010 | AA | Career (2 yrs) | 14 | 13 | 10 | 2 | 3 | 4 | 1 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.300 | 0.417 | 0.400 | 0.817 | — |
| Year | Level | Team | Org | G | GS | IP | H | R | ER | BB | SO | HR | W | L | SV | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | MLB | Washington Nationals | Washington Nationals | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.00 | — | 9.00 |
| 2009 | AA | Harrisburg | Washington Nationals | 6 | 6 | 27.1 | 28 | 14 | 9 | 10 | 28 | 2 | 0 | 3 | 0 | 2.96 | 1.39 | 9.22 |
| 2009 | MLB | Washington Nationals | Washington Nationals | 15 | 14 | 75.2 | 87 | 43 | 42 | 33 | 43 | 3 | 1 | 6 | 0 | 5.00 | 1.59 | 5.11 |
| 2010 | AA | Harrisburg | Washington Nationals | 7 | 7 | 32.2 | 38 | 10 | 9 | 7 | 31 | 1 | 2 | 2 | 0 | 2.48 | 1.38 | 8.54 |
| 2010 | AAA | Syracuse | Washington Nationals | 1 | 1 | 5.0 | 5 | 3 | 1 | 1 | 2 | 0 | 1 | 0 | 0 | 1.80 | 1.20 | 3.60 |
| 2010 | MLB | Washington Nationals | Washington Nationals | 8 | 5 | 29.2 | 34 | 22 | 14 | 14 | 17 | 5 | 1 | 3 | 0 | 4.25 | 1.62 | 5.16 |
| 2011 | AAA | Syracuse | Washington Nationals | 16 | 16 | 87.1 | 98 | 48 | 44 | 32 | 63 | 4 | 6 | 6 | 0 | 4.53 | 1.49 | 6.49 |
| 2011 | MLB | Washington Nationals | Washington Nationals | 15 | 10 | 66.0 | 63 | 26 | 22 | 20 | 41 | 7 | 4 | 5 | 0 | 3.00 | 1.26 | 5.59 |
| 2012 | MLB | Washington Nationals | Washington Nationals | 33 | 27 | 164.1 | 149 | 75 | 62 | 52 | 105 | 15 | 10 | 8 | 0 | 3.40 | 1.22 | 5.75 |
| 2013 | MLB | Washington Nationals | Washington Nationals | 13 | 13 | 71.1 | 92 | 37 | 32 | 14 | 39 | 5 | 2 | 7 | 0 | 4.04 | 1.49 | 4.92 |
| 2014 | MLB | Washington Nationals | Washington Nationals | 47 | 0 | 63.0 | 68 | 34 | 28 | 21 | 39 | 5 | 2 | 3 | 1 | 4.00 | 1.41 | 5.57 |
| 2015 | AA | Frisco | Texas Rangers | 2 | 0 | 3.2 | 7 | 3 | 3 | 2 | 4 | 0 | 0 | 0 | 0 | 7.36 | 2.45 | 9.82 |
| 2015 | MLB | 2 Teams | 2 Teams | 41 | 7 | 58.1 | 82 | 51 | 47 | 36 | 41 | 10 | 1 | 5 | 0 | 7.25 | 2.02 | 6.33 |
| 2016 | AAA | Nashville, Columbus | Oakland Athletics, Cleveland Indians | 16 | 15 | 86.0 | 84 | 43 | 42 | 25 | 65 | 10 | 6 | 4 | 0 | 4.40 | 1.27 | 6.80 |
| 2016 | MLB | 2 Teams | 2 Teams | 16 | 7 | 48.2 | 59 | 34 | 33 | 19 | 26 | 5 | 2 | 4 | 0 | 6.10 | 1.60 | 4.81 |
| 2017 | AAA | Nashville, Iowa | Oakland Athletics, Chicago Cubs | 19 | 0 | 23.0 | 29 | 19 | 19 | 15 | 22 | 4 | 0 | 2 | 1 | 7.43 | 1.91 | 8.61 |
| 2018 | AAA | Tacoma | Seattle Mariners | 16 | 13 | 84.2 | 94 | 46 | 46 | 25 | 52 | 10 | 2 | 5 | 0 | 4.89 | 1.41 | 5.53 |
| 2018 | MLB | Seattle Mariners | Seattle Mariners | 1 | 0 | 6.0 | 8 | 3 | 3 | 2 | 2 | 1 | 0 | 1 | 0 | 4.50 | 1.67 | 3.00 |
| 2019 | AAA | Charlotte | Chicago White Sox | 8 | 8 | 43.0 | 44 | 19 | 19 | 11 | 35 | 11 | 1 | 2 | 0 | 3.98 | 1.28 | 7.33 |
| 2019 | MLB | Chicago White Sox | Chicago White Sox | 18 | 12 | 69.2 | 86 | 54 | 51 | 27 | 46 | 20 | 3 | 5 | 0 | 6.59 | 1.62 | 5.94 |
| 2020 | MLB | Chicago White Sox | Chicago White Sox | 16 | 0 | 19.2 | 19 | 8 | 7 | 5 | 15 | 2 | 1 | 1 | 0 | 3.20 | 1.22 | 6.86 |
| 2021 | MLB | 2 Teams | 2 Teams | 53 | 5 | 52.1 | 44 | 28 | 27 | 20 | 62 | 10 | 3 | 1 | 0 | 4.64 | 1.22 | 10.66 |
| 2022 | AAA | Louisville | Cincinnati Reds | 7 | 0 | 7.0 | 6 | 3 | 3 | 5 | 7 | 0 | 1 | 0 | 0 | 3.86 | 1.57 | 9.00 |
| 2022 | MLB | Cincinnati Reds | Cincinnati Reds | 30 | 0 | 26.1 | 31 | 13 | 13 | 10 | 28 | 5 | 0 | 2 | 1 | 4.44 | 1.56 | 9.57 |
| 2007–2022 | MLB | Career (14 yrs) | 307 | 100 | 752.0 | 822 | 428 | 381 | 273 | 505 | 93 | 30 | 51 | 2 | 4.56 | 1.46 | 6.04 | |
| 2010–2022 | AAA | Career (7 yrs) | 83 | 53 | 336.0 | 360 | 181 | 174 | 114 | 246 | 39 | 17 | 19 | 1 | 4.66 | 1.41 | 6.59 | |
| 2009–2015 | AA | Career (3 yrs) | 15 | 13 | 63.2 | 73 | 27 | 21 | 19 | 63 | 3 | 2 | 5 | 0 | 2.97 | 1.45 | 8.91 |