Player History
| Season | Team |
|---|---|
| 2020 | Chicago White Sox CHW |
| 2019 | Milwaukee Brewers MIL |
| 2018 |
Multiple Teams Multiple |
| 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 | Oakland Athletics OAK |
| 2010 | Oakland Athletics OAK |
| 2009 | Oakland Athletics OAK |
| 2008 | Oakland Athletics OAK |
| Age | GP | IP | BF | W-L | ERA | WHIP | SV | K | BB | nERD |
|---|---|---|---|---|---|---|---|---|---|---|
| 34 | 12 | 31.7 | 153 | 1-2 | 4.83 | 1.86 | 0 | 34 | 19 | 1.52 |
| 33 | 19 | 87.3 | 366 | 3-2 | 3.50 | 1.29 | 0 | 78 | 37 | 1.48 |
| 32 | 32 | 171.0 | 746 | 10-11 | 4.21 | 1.44 | 0 | 148 | 80 | 2.31 |
| 31 | 32 | 201.0 | 827 | 15-9 | 2.96 | 1.18 | 0 | 188 | 79 | 2.93 |
| 30 | 32 | 177.3 | 765 | 11-11 | 4.57 | 1.34 | 0 | 171 | 59 | 2.40 |
| 29 | 31 | 175.7 | 758 | 11-8 | 3.79 | 1.42 | 0 | 169 | 69 | 2.09 |
| 28 | 27 | 158.7 | 653 | 10-10 | 3.57 | 1.20 | 0 | 162 | 56 | 1.53 |
| 27 | 32 | 195.7 | 819 | 11-8 | 3.36 | 1.25 | 0 | 192 | 76 | 2.03 |
| 26 | 32 | 199.3 | 822 | 21-8 | 2.89 | 1.13 | 0 | 207 | 76 | 2.34 |
| 25 | 32 | 202.0 | 864 | 16-12 | 3.12 | 1.32 | 0 | 197 | 91 | 2.22 |
| 24 | 33 | 200.7 | 851 | 15-9 | 3.23 | 1.31 | 0 | 171 | 92 | 2.29 |
| 23 | 20 | 98.7 | 455 | 6-7 | 5.75 | 1.71 | 0 | 109 | 56 | 1.51 |
| 22 | 10 | 34.0 | 163 | 1-4 | 7.68 | 1.68 | 0 | 34 | 25 | 0.41 |
