Player History
| Season | Team |
|---|---|
| 2022 | Washington Nationals WSH |
| 2021 | Washington Nationals WSH |
| 2020 | Washington Nationals WSH |
| 2019 | Washington Nationals WSH |
| 2018 | Washington Nationals WSH |
| 2017 | Washington Nationals WSH |
| 2016 | Washington Nationals WSH |
| 2015 | Washington Nationals WSH |
| 2014 | Washington Nationals WSH |
| 2013 | Washington Nationals WSH |
| 2012 | Washington Nationals WSH |
| 2011 | Washington Nationals WSH |
| 2010 | Washington Nationals WSH |
| Age | GP | IP | BF | W-L | ERA | WHIP | SV | K | BB | nERD |
|---|---|---|---|---|---|---|---|---|---|---|
| 33 | 1 | 4.7 | 23 | 0-1 | 13.50 | 2.14 | 0 | 5 | 2 | 0.07 |
| 32 | 5 | 21.7 | 95 | 1-2 | 4.57 | 1.38 | 0 | 21 | 14 | 0.30 |
| 31 | 2 | 5.0 | 23 | 0-1 | 10.80 | 1.80 | 0 | 2 | 1 | -0.53 |
| 30 | 33 | 209.0 | 841 | 18-6 | 3.32 | 1.04 | 0 | 251 | 56 | 3.52 |
| 29 | 22 | 130.0 | 544 | 10-7 | 3.74 | 1.20 | 0 | 156 | 38 | 1.88 |
| 28 | 28 | 175.3 | 701 | 15-4 | 2.52 | 1.02 | 0 | 204 | 47 | 2.70 |
| 27 | 24 | 147.7 | 598 | 15-4 | 3.60 | 1.10 | 0 | 183 | 44 | 2.08 |
| 26 | 23 | 127.3 | 523 | 11-7 | 3.46 | 1.11 | 0 | 155 | 26 | 1.62 |
| 25 | 34 | 215.0 | 868 | 14-11 | 3.14 | 1.12 | 0 | 242 | 43 | 2.02 |
| 24 | 30 | 183.0 | 731 | 8-9 | 3.00 | 1.05 | 0 | 191 | 56 | 1.89 |
| 23 | 28 | 159.3 | 653 | 15-6 | 3.16 | 1.16 | 0 | 197 | 48 | 1.97 |
| 22 | 5 | 24.0 | 88 | 1-1 | 1.50 | 0.71 | 0 | 24 | 2 | 0.55 |
| 21 | 12 | 68.0 | 274 | 5-3 | 2.91 | 1.07 | 0 | 92 | 17 | 1.08 |
