| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 17 Seasons | 5.31 | 416 | 29 | 74 | 34 | 35 | 787.0 | 859 | 64 | 447 | 695 | 1.66 |
| 2024 | 한화 | 5.13 | 30 | 2 | 2 | 0 | 2 | 33.0 | 34 | 3 | 22 | 28 | 1.70 |
| 2023 | 한화 | 3.38 | 39 | 2 | 2 | 1 | 7 | 34.0 | 32 | 1 | 21 | 24 | 1.56 |
| 2022 | 한화 | 4.38 | 64 | 0 | 5 | 14 | 9 | 63.0 | 57 | 4 | 33 | 67 | 1.43 |
| 2021 | 한화 | 7.04 | 19 | 0 | 11 | 0 | 1 | 69.0 | 87 | 4 | 48 | 47 | 1.96 |
| 2020 | 한화 | 5.02 | 26 | 4 | 14 | 0 | 0 | 132.0 | 139 | 15 | 74 | 115 | 1.61 |
| 2019 | 롯데 | 4.95 | 27 | 6 | 13 | 0 | 0 | 125.0 | 147 | 12 | 58 | 109 | 1.64 |
| 2018 | 롯데 | 4.66 | 32 | 1 | 0 | 0 | 2 | 36.0 | 39 | 5 | 19 | 44 | 1.61 |
| 2017 | 롯데 | 4.38 | 53 | 4 | 4 | 0 | 10 | 51.0 | 48 | 6 | 31 | 57 | 1.55 |
| 2016 | KT | 6.33 | 40 | 3 | 12 | 6 | 3 | 75.0 | 93 | 7 | 43 | 67 | 1.81 |
| 2015 | KT | 3.98 | 47 | 7 | 5 | 12 | 0 | 74.0 | 73 | 1 | 28 | 75 | 1.36 |
| 2014 | 넥센 | 12.15 | 6 | 0 | 0 | 0 | 0 | 6.0 | 9 | 0 | 3 | 2 | 2.00 |
| 2013 | 넥센 | 14.29 | 2 | 0 | 0 | 0 | 0 | 5.0 | 7 | 1 | 7 | 7 | 2.80 |
| 2012 | 넥센 | 5.02 | 21 | 0 | 6 | 1 | 1 | 61.0 | 63 | 3 | 42 | 42 | 1.72 |
| 2011 | 넥센 | 7.11 | 4 | 0 | 0 | 0 | 0 | 6.0 | 8 | 0 | 4 | 6 | 2.00 |
| 2009 | 히어로즈 | 14.73 | 2 | 0 | 0 | 0 | 0 | 3.0 | 9 | 0 | 6 | 1 | 5.00 |
| 2008 | 우리 | 36.00 | 1 | 0 | 0 | 0 | 0 | 1.0 | 3 | 2 | 1 | 1 | 4.00 |
| 2007 | 현대 | 10.50 | 3 | 0 | 0 | 0 | 0 | 6.0 | 11 | 0 | 7 | 3 | 3.00 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 416 | - | - |
| ERA | 5.31 | - | - |
| IP | 787.0 | - | - |
| W | 29 | - | - |
| L | 74 | - | - |
| SV | 34 | - | - |
| HLD | 35 | - | - |
| SO | 695 | - | - |
| H | 859 | - | - |
| HR | 64 | - | - |
| BB | 447 | - | - |
| R | 523 | - | - |
| ER | 464 | - | - |
| HBP | 45 | - | - |
| WHIP | 1.66 | - | - |
Yagoonara