| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 15 Seasons | 5.07 | 467 | 35 | 53 | 8 | 66 | 848.0 | 381 | 516 | 1.55 | ||
| 2021 | KT | 6.08 | 11 | 1 | 1 | 0 | 1 | 13.0 | 0 | 0 | 7 | 13 | 1.69 |
| 2020 | KT | 3.80 | 62 | 2 | 1 | 2 | 9 | 64.0 | 0 | 0 | 28 | 37 | 1.25 |
| 2019 | NC | 5.23 | 15 | 0 | 3 | 1 | 0 | 20.0 | 0 | 0 | 9 | 14 | 1.50 |
| 2018 | NC | 6.46 | 41 | 1 | 4 | 0 | 5 | 47.0 | 0 | 0 | 17 | 30 | 1.70 |
| 2017 | LG | 6.14 | 6 | 0 | 0 | 0 | 0 | 7.0 | 0 | 0 | 4 | 1 | 1.71 |
| 2016 | LG | 6.38 | 19 | 2 | 1 | 0 | 1 | 24.0 | 0 | 0 | 13 | 15 | 1.83 |
| 2015 | LG | 5.59 | 25 | 1 | 1 | 0 | 1 | 37.0 | 0 | 0 | 12 | 22 | 1.51 |
| 2014 | LG | 4.37 | 66 | 4 | 5 | 0 | 16 | 68.0 | 0 | 0 | 23 | 49 | 1.32 |
| 2013 | LG | 4.78 | 37 | 2 | 1 | 1 | 8 | 37.0 | 0 | 0 | 11 | 19 | 1.59 |
| 2012 | LG | 2.19 | 58 | 4 | 2 | 3 | 21 | 74.0 | 0 | 0 | 13 | 43 | 1.12 |
| 2011 | LG | 6.29 | 34 | 1 | 5 | 0 | 3 | 63.0 | 0 | 0 | 20 | 44 | 1.51 |
| 2010 | 한화 | 5.50 | 29 | 5 | 14 | 0 | 0 | 142.0 | 0 | 0 | 69 | 82 | 1.64 |
| 2009 | 한화 | 6.64 | 24 | 5 | 10 | 0 | 0 | 107.0 | 0 | 0 | 69 | 57 | 1.86 |
| 2008 | 한화 | 4.66 | 32 | 5 | 4 | 0 | 1 | 123.0 | 0 | 0 | 77 | 77 | 1.67 |
| 2007 | 한화 | 2.84 | 8 | 2 | 1 | 1 | 0 | 19.0 | 0 | 0 | 9 | 13 | 1.21 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 467 | - | - |
| ERA | 5.07 | - | - |
| IP | 848.0 | - | - |
| W | 35 | - | - |
| L | 53 | - | - |
| SV | 8 | - | - |
| HLD | 66 | - | - |
| SO | 516 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 381 | - | - |
| R | 517 | - | - |
| ER | 478 | - | - |
| HBP | 31 | - | - |
| WHIP | 1.55 | - | - |
Yagoonara