Player History
| Season | Team |
|---|---|
| 2023 | Kansas City Royals KC |
| 2022 | Kansas City Royals KC |
| 2021 | Houston Astros HOU |
| 2020 | Houston Astros HOU |
| 2019 |
Multiple Teams Multiple |
| 2018 | Arizona Diamondbacks ARI |
| 2017 | Arizona Diamondbacks ARI |
| 2016 | Arizona Diamondbacks ARI |
| 2015 | Los Angeles Dodgers LAD |
| 2014 | Los Angeles Dodgers LAD |
| 2013 | Los Angeles Dodgers LAD |
| 2012 |
Multiple Teams Multiple |
| 2011 | Milwaukee Brewers MIL |
| 2010 | Kansas City Royals KC |
| 2009 | Kansas City Royals KC |
| 2008 | Kansas City Royals KC |
| 2007 | Kansas City Royals KC |
| 2006 | Kansas City Royals KC |
| 2005 | Kansas City Royals KC |
| 2004 | Kansas City Royals KC |
| Age | GP | IP | BF | W-L | ERA | WHIP | SV | K | BB | nERD |
|---|---|---|---|---|---|---|---|---|---|---|
| 39 | 30 | 142.3 | 593 | 2-15 | 5.06 | 1.27 | 0 | 97 | 23 | 1.99 |
| 38 | 26 | 137.0 | 585 | 4-9 | 3.68 | 1.34 | 0 | 73 | 27 | 1.58 |
| 37 | 30 | 171.0 | 697 | 11-6 | 4.16 | 1.17 | 0 | 120 | 36 | 2.32 |
| 36 | 12 | 67.0 | 273 | 3-3 | 4.03 | 1.13 | 0 | 67 | 9 | 3.25 |
| 35 | 33 | 208.7 | 810 | 18-5 | 2.93 | 0.98 | 0 | 187 | 30 | 3.27 |
| 34 | 33 | 207.7 | 839 | 15-11 | 3.21 | 1.08 | 0 | 199 | 43 | 2.68 |
| 33 | 32 | 202.3 | 801 | 17-7 | 3.20 | 1.07 | 0 | 215 | 45 | 2.94 |
| 32 | 26 | 158.7 | 667 | 13-7 | 4.37 | 1.27 | 0 | 134 | 41 | 2.03 |
| 31 | 32 | 222.7 | 843 | 19-3 | 1.66 | 0.84 | 0 | 200 | 40 | 2.35 |
| 30 | 32 | 202.3 | 821 | 17-8 | 2.71 | 1.15 | 0 | 207 | 43 | 1.88 |
| 29 | 28 | 177.7 | 717 | 15-4 | 2.63 | 1.11 | 0 | 148 | 46 | 1.76 |
| 28 | 34 | 212.3 | 868 | 15-5 | 3.48 | 1.20 | 0 | 200 | 54 | 2.39 |
| 27 | 28 | 171.7 | 715 | 16-6 | 3.83 | 1.20 | 0 | 201 | 45 | 1.97 |
| 26 | 33 | 220.0 | 919 | 10-14 | 4.17 | 1.25 | 0 | 181 | 55 | 2.48 |
| 25 | 33 | 229.3 | 915 | 16-8 | 2.16 | 1.07 | 0 | 242 | 51 | 3.13 |
| 24 | 32 | 202.3 | 851 | 13-10 | 3.47 | 1.28 | 0 | 183 | 56 | 2.76 |
| 23 | 52 | 122.0 | 507 | 7-7 | 3.69 | 1.30 | 1 | 106 | 36 | 1.80 |
| 22 | 3 | 6.3 | 28 | 1-0 | 4.26 | 1.58 | 0 | 5 | 3 | 0.04 |
| 21 | 33 | 183.0 | 829 | 5-17 | 5.80 | 1.56 | 0 | 114 | 53 | 2.33 |
| 20 | 24 | 145.0 | 599 | 8-11 | 3.97 | 1.17 | 0 | 100 | 26 | 2.05 |
