| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 18 Seasons | 5.11 | 500 | 26 | 48 | 65 | 23 | 787.0 | 313 | 562 | 1.50 | ||
| 2018 | KT | 5.76 | 29 | 1 | 2 | 0 | 0 | 45.0 | 0 | 0 | 10 | 35 | 1.47 |
| 2017 | KT | 7.27 | 19 | 3 | 3 | 0 | 2 | 34.0 | 0 | 0 | 8 | 28 | 1.74 |
| 2016 | KT | 5.34 | 25 | 0 | 1 | 1 | 1 | 30.0 | 0 | 0 | 17 | 27 | 1.53 |
| 2015 | KT | 8.06 | 21 | 0 | 0 | 0 | 0 | 25.0 | 0 | 0 | 11 | 24 | 2.04 |
| 2014 | 롯데 | 5.79 | 33 | 2 | 5 | 0 | 2 | 79.0 | 0 | 0 | 30 | 71 | 1.58 |
| 2013 | 롯데 | 4.00 | 35 | 3 | 7 | 1 | 3 | 74.0 | 0 | 0 | 34 | 47 | 1.46 |
| 2012 | 롯데 | 2.98 | 50 | 2 | 3 | 34 | 1 | 45.0 | 0 | 0 | 11 | 43 | 1.24 |
| 2011 | 롯데 | 3.26 | 61 | 5 | 3 | 20 | 2 | 66.0 | 0 | 0 | 22 | 54 | 1.24 |
| 2010 | 롯데 | 3.75 | 52 | 1 | 4 | 5 | 5 | 57.0 | 0 | 0 | 25 | 38 | 1.47 |
| 2009 | 롯데 | 9.45 | 8 | 0 | 0 | 0 | 1 | 13.0 | 0 | 0 | 1 | 5 | 1.77 |
| 2008 | 롯데 | 3.74 | 19 | 1 | 0 | 0 | 1 | 21.0 | 0 | 0 | 11 | 8 | 1.29 |
| 2007 | 롯데 | 5.40 | 2 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 1 | 0 | 4.00 |
| 2004 | 롯데 | 27.00 | 1 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 1 | 2 | 4.00 |
| 2003 | 롯데 | 5.45 | 20 | 1 | 2 | 0 | 1 | 36.0 | 0 | 0 | 15 | 15 | 1.58 |
| 2002 | 롯데 | 5.48 | 49 | 4 | 11 | 0 | 2 | 108.0 | 0 | 0 | 55 | 64 | 1.61 |
| 2001 | 롯데 | 4.33 | 35 | 1 | 1 | 2 | 2 | 68.0 | 0 | 0 | 23 | 54 | 1.38 |
| 2000 | 롯데 | 5.25 | 30 | 1 | 3 | 1 | 0 | 48.0 | 0 | 0 | 17 | 31 | 1.33 |
| 1999 | 롯데 | 7.89 | 11 | 1 | 3 | 1 | 0 | 29.0 | 0 | 0 | 21 | 16 | 1.90 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 500 | - | - |
| ERA | 5.11 | - | - |
| IP | 787.0 | - | - |
| W | 26 | - | - |
| L | 48 | - | - |
| SV | 65 | - | - |
| HLD | 23 | - | - |
| SO | 562 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 313 | - | - |
| R | 493 | - | - |
| ER | 447 | - | - |
| HBP | 45 | - | - |
| WHIP | 1.50 | - | - |
Yagoonara