| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 15 Seasons | 4.42 | 706 | 56 | 48 | 7 | 72 | 1019.0 | 525 | 771 | 1.49 | ||
| 2015 | NC | 5.19 | 29 | 0 | 0 | 0 | 3 | 17.0 | 0 | 0 | 7 | 10 | 1.29 |
| 2014 | NC | 3.00 | 25 | 1 | 0 | 0 | 2 | 18.0 | 0 | 0 | 8 | 17 | 1.67 |
| 2013 | 두산 | 11.57 | 13 | 0 | 1 | 0 | 0 | 9.0 | 0 | 0 | 7 | 7 | 2.56 |
| 2012 | 두산 | 7.45 | 48 | 1 | 3 | 0 | 7 | 38.0 | 0 | 0 | 21 | 25 | 1.66 |
| 2011 | 두산 | 6.35 | 32 | 1 | 4 | 1 | 4 | 34.0 | 0 | 0 | 17 | 30 | 1.41 |
| 2008 | 두산 | 4.69 | 34 | 7 | 5 | 0 | 0 | 109.0 | 0 | 0 | 43 | 83 | 1.40 |
| 2006 | 두산 | 2.79 | 32 | 8 | 6 | 0 | 1 | 142.0 | 0 | 0 | 56 | 104 | 1.23 |
| 2005 | 두산 | 3.95 | 30 | 7 | 4 | 0 | 3 | 109.0 | 0 | 0 | 54 | 59 | 1.46 |
| 2004 | 두산 | 5.88 | 79 | 2 | 2 | 1 | 12 | 52.0 | 0 | 0 | 31 | 35 | 1.60 |
| 2003 | 두산 | 3.93 | 83 | 5 | 3 | 0 | 11 | 55.0 | 0 | 0 | 37 | 36 | 1.51 |
| 2002 | 두산 | 4.67 | 78 | 2 | 4 | 1 | 12 | 79.0 | 0 | 0 | 46 | 75 | 1.49 |
| 2001 | 두산 | 3.62 | 53 | 9 | 6 | 3 | 6 | 141.0 | 0 | 0 | 72 | 107 | 1.59 |
| 2000 | 두산 | 5.02 | 78 | 5 | 6 | 1 | 11 | 84.0 | 0 | 0 | 50 | 76 | 1.64 |
| 1999 | 두산 | 4.76 | 77 | 8 | 4 | 0 | 0 | 119.0 | 0 | 0 | 70 | 98 | 1.59 |
| 1998 | OB | 1.74 | 15 | 0 | 0 | 0 | 0 | 10.0 | 0 | 0 | 6 | 9 | 1.10 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 706 | - | - |
| ERA | 4.42 | - | - |
| IP | 1019.0 | - | - |
| W | 56 | - | - |
| L | 48 | - | - |
| SV | 7 | - | - |
| HLD | 72 | - | - |
| SO | 771 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 525 | - | - |
| R | 561 | - | - |
| ER | 501 | - | - |
| HBP | 84 | - | - |
| WHIP | 1.49 | - | - |
Yagoonara