
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 18 Seasons | 3.90 | 543 | 186 | 127 | 9 | 2656.0 | 2636 | 222 | 991 | 2185 | 1.37 | |
| 2025 | KIA | 5.06 | 30 | 7 | 9 | 0 | 0 | 153.0 | 171 | 12 | 57 | 109 | 1.49 |
| 2024 | KIA | 4.10 | 29 | 11 | 5 | 0 | 0 | 171.0 | 174 | 21 | 41 | 129 | 1.26 |
| 2023 | KIA | 3.58 | 29 | 9 | 11 | 0 | 0 | 171.0 | 181 | 13 | 48 | 133 | 1.34 |
| 2022 | KIA | 3.85 | 30 | 12 | 7 | 0 | 0 | 175.0 | 170 | 14 | 50 | 141 | 1.26 |
| 2020 | KIA | 4.70 | 31 | 11 | 10 | 0 | 0 | 172.0 | 180 | 13 | 64 | 149 | 1.42 |
| 2019 | KIA | 2.29 | 29 | 16 | 8 | 0 | 0 | 184.0 | 165 | 6 | 33 | 163 | 1.08 |
| 2018 | KIA | 4.15 | 29 | 13 | 11 | 0 | 0 | 184.0 | 199 | 21 | 43 | 152 | 1.32 |
| 2017 | KIA | 3.44 | 31 | 20 | 6 | 0 | 0 | 193.0 | 209 | 17 | 45 | 158 | 1.32 |
| 2016 | KIA | 3.68 | 31 | 10 | 12 | 0 | 0 | 200.0 | 191 | 19 | 77 | 146 | 1.34 |
| 2015 | KIA | 2.44 | 32 | 15 | 6 | 0 | 1 | 184.0 | 150 | 18 | 78 | 157 | 1.24 |
| 2014 | KIA | 4.25 | 29 | 16 | 8 | 0 | 0 | 171.0 | 162 | 12 | 77 | 165 | 1.40 |
| 2013 | KIA | 3.10 | 19 | 9 | 3 | 0 | 0 | 104.0 | 99 | 10 | 43 | 95 | 1.37 |
| 2012 | KIA | 5.05 | 28 | 1 | 2 | 0 | 2 | 41.0 | 51 | 3 | 31 | 26 | 2.00 |
| 2011 | KIA | 6.18 | 28 | 7 | 9 | 0 | 0 | 106.0 | 116 | 9 | 69 | 74 | 1.75 |
| 2010 | KIA | 4.25 | 30 | 16 | 8 | 0 | 0 | 169.0 | 169 | 9 | 98 | 145 | 1.58 |
| 2009 | KIA | 3.15 | 29 | 12 | 5 | 0 | 1 | 148.0 | 133 | 14 | 58 | 139 | 1.29 |
| 2008 | KIA | 5.83 | 48 | 0 | 5 | 0 | 5 | 75.0 | 77 | 4 | 48 | 56 | 1.67 |
| 2007 | KIA | 4.17 | 31 | 1 | 2 | 0 | 0 | 49.0 | 39 | 7 | 31 | 48 | 1.43 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 543 | - | - |
| ERA | 3.90 | - | - |
| IP | 2656.0 | - | - |
| W | 186 | - | - |
| L | 127 | - | - |
| SV | 0 | - | - |
| HLD | 9 | - | - |
| SO | 2,185 | - | - |
| H | 2,636 | - | - |
| HR | 222 | - | - |
| BB | 991 | - | - |
| R | 1,264 | - | - |
| ER | 1,152 | - | - |
| HBP | 61 | - | - |
| WHIP | 1.37 | - | - |