Player History
| Season | Team |
|---|---|
| 2021 | Milwaukee Brewers MIL |
| 2020 | Detroit Tigers DET |
| 2019 | Detroit Tigers DET |
| 2018 | Detroit Tigers DET |
| 2017 | Detroit Tigers DET |
| 2016 | Detroit Tigers DET |
| 2015 | Washington Nationals WSH |
| 2014 | Washington Nationals WSH |
| 2013 | Washington Nationals WSH |
| 2012 | Washington Nationals WSH |
| 2011 | Washington Nationals WSH |
| 2010 | Washington Nationals WSH |
| 2009 | Washington Nationals WSH |
| Age | GP | IP | BF | W-L | ERA | WHIP | SV | K | BB | nERD |
|---|---|---|---|---|---|---|---|---|---|---|
| 35 | 2 | 5.7 | 26 | 0-0 | 7.94 | 1.76 | 0 | 0 | 2 | -0.41 |
| 34 | 3 | 5.7 | 28 | 0-0 | 7.94 | 2.29 | 0 | 6 | 2 | 0.83 |
| 33 | 23 | 112.0 | 504 | 1-13 | 6.91 | 1.52 | 0 | 82 | 25 | 1.87 |
| 32 | 25 | 131.3 | 556 | 7-8 | 4.52 | 1.26 | 0 | 111 | 26 | 1.64 |
| 31 | 29 | 160.0 | 713 | 8-13 | 6.08 | 1.55 | 0 | 103 | 44 | 2.30 |
| 30 | 19 | 105.3 | 450 | 9-7 | 4.87 | 1.37 | 0 | 66 | 26 | 1.27 |
| 29 | 33 | 201.7 | 831 | 13-10 | 3.66 | 1.21 | 0 | 164 | 39 | 2.18 |
| 28 | 32 | 199.7 | 800 | 14-5 | 2.66 | 1.07 | 0 | 182 | 29 | 1.82 |
| 27 | 32 | 213.3 | 865 | 19-9 | 3.25 | 1.09 | 0 | 161 | 40 | 2.06 |
| 26 | 32 | 195.7 | 805 | 12-8 | 2.94 | 1.17 | 0 | 153 | 43 | 2.14 |
| 25 | 26 | 161.3 | 662 | 8-11 | 3.18 | 1.15 | 0 | 124 | 31 | 1.69 |
| 24 | 7 | 31.0 | 135 | 1-2 | 4.94 | 1.32 | 0 | 27 | 10 | 0.27 |
| 23 | 16 | 91.3 | 391 | 3-5 | 4.63 | 1.36 | 0 | 92 | 29 | 1.35 |
