| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 15 Seasons | 3.55 | 388 | 123 | 88 | 22 | 12 | 1743.0 | 492 | 968 | 1.27 | ||
| 2015 | NC | 4.89 | 26 | 11 | 6 | 0 | 0 | 105.0 | 0 | 0 | 15 | 50 | 1.30 |
| 2014 | NC | 3.54 | 52 | 4 | 4 | 1 | 9 | 48.0 | 0 | 0 | 14 | 23 | 1.46 |
| 2013 | NC | 3.43 | 28 | 5 | 6 | 9 | 3 | 60.0 | 0 | 0 | 23 | 22 | 1.32 |
| 2009 | 롯데 | 5.19 | 14 | 6 | 5 | 0 | 0 | 69.0 | 0 | 0 | 28 | 20 | 1.67 |
| 2008 | 롯데 | 2.97 | 26 | 12 | 4 | 0 | 0 | 179.0 | 0 | 0 | 40 | 80 | 1.25 |
| 2007 | 롯데 | 3.34 | 30 | 13 | 10 | 0 | 0 | 194.0 | 0 | 0 | 48 | 95 | 1.23 |
| 2006 | 롯데 | 2.78 | 25 | 10 | 8 | 1 | 0 | 161.0 | 0 | 0 | 39 | 96 | 1.16 |
| 2005 | 롯데 | 2.46 | 28 | 18 | 7 | 1 | 0 | 168.0 | 0 | 0 | 38 | 105 | 1.11 |
| 2004 | 롯데 | 2.73 | 42 | 9 | 2 | 8 | 0 | 108.0 | 0 | 0 | 29 | 88 | 1.10 |
| 2003 | 롯데 | 4.86 | 18 | 3 | 11 | 0 | 0 | 109.0 | 0 | 0 | 38 | 54 | 1.40 |
| 2002 | 롯데 | 3.67 | 23 | 4 | 9 | 0 | 0 | 142.0 | 0 | 0 | 30 | 82 | 1.23 |
| 2001 | 롯데 | 4.21 | 29 | 15 | 6 | 0 | 0 | 173.0 | 0 | 0 | 69 | 110 | 1.46 |
| 2000 | 롯데 | 3.20 | 28 | 12 | 7 | 0 | 0 | 174.0 | 0 | 0 | 55 | 117 | 1.20 |
| 1999 | 롯데 | 5.59 | 10 | 0 | 0 | 1 | 0 | 19.0 | 0 | 0 | 6 | 9 | 1.32 |
| 1997 | 롯데 | 4.80 | 9 | 1 | 3 | 1 | 0 | 30.0 | 0 | 0 | 20 | 17 | 1.43 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 388 | - | - |
| ERA | 3.55 | - | - |
| IP | 1743.0 | - | - |
| W | 123 | - | - |
| L | 88 | - | - |
| SV | 22 | - | - |
| HLD | 12 | - | - |
| SO | 968 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 492 | - | - |
| R | 756 | - | - |
| ER | 687 | - | - |
| HBP | 52 | - | - |
| WHIP | 1.27 | - | - |
Yagoonara