
| Year | Team | ERA | G | CG | SHO | W | L | SV | HLD | Win% | TBF | IP | H | HR | BB | HBP | SO | R | ER |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TOTAL | 4.18 | 555 | 0 | 0 | 30 | 46 | 33 | 69 | 0.395 | 3067 | 704 1/3 | 732 | 59 | 266 | 76 | 406 | 370 | 327 | |
| 2015 | HANHWA | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 1 |
| 2014 | SK | 5.40 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 77 | 16 2/3 | 21 | 4 | 6 | 2 | 5 | 14 | 10 |
| 2013 | SK | 5.71 | 23 | 0 | 0 | 0 | 2 | 0 | 1 | 0.000 | 85 | 17 1/3 | 22 | 0 | 10 | 2 | 10 | 12 | 11 |
| 2012 | SK | 5.40 | 32 | 0 | 0 | 0 | 2 | 0 | 3 | 0.000 | 141 | 31 2/3 | 36 | 4 | 13 | 4 | 16 | 20 | 19 |
| 2011 | LOTTE | 3.15 | 72 | 0 | 0 | 4 | 3 | 0 | 18 | 0.571 | 268 | 65 2/3 | 60 | 4 | 15 | 6 | 34 | 28 | 23 |
| 2010 | LOTTE | 3.30 | 47 | 0 | 0 | 3 | 4 | 7 | 1 | 0.429 | 186 | 43 2/3 | 46 | 4 | 16 | 4 | 19 | 24 | 16 |
| 2009 | LOTTE | 2.45 | 43 | 0 | 0 | 4 | 1 | 1 | 7 | 0.800 | 258 | 62 1/3 | 55 | 1 | 18 | 3 | 37 | 23 | 17 |
| 2008 | LOTTE | 4.19 | 38 | 0 | 0 | 2 | 5 | 7 | 0 | 0.286 | 166 | 38 2/3 | 36 | 2 | 17 | 5 | 25 | 19 | 18 |
| 2007 | LOTTE | 3.25 | 65 | 0 | 0 | 7 | 1 | 0 | 6 | 0.875 | 328 | 74 2/3 | 73 | 2 | 35 | 12 | 52 | 28 | 27 |
| 2004 | LOTTE | 3.16 | 67 | 0 | 0 | 4 | 6 | 5 | 22 | 0.400 | 448 | 105 1/3 | 102 | 4 | 41 | 12 | 72 | 39 | 37 |
| 2003 | LOTTE | 4.71 | 59 | 0 | 0 | 3 | 14 | 11 | 4 | 0.176 | 403 | 93 2/3 | 97 | 10 | 30 | 11 | 45 | 52 | 49 |
| 2002 | LOTTE | 6.29 | 25 | 0 | 0 | 0 | 4 | 1 | 1 | 0.000 | 223 | 48 2/3 | 60 | 9 | 17 | 4 | 30 | 41 | 34 |
| 2001 | LOTTE | 4.35 | 41 | 0 | 0 | 3 | 1 | 1 | 5 | 0.750 | 274 | 62 | 69 | 6 | 27 | 2 | 35 | 32 | 30 |
| 2000 | LOTTE | 3.86 | 15 | 0 | 0 | 0 | 2 | 0 | 1 | 0.000 | 128 | 30 1/3 | 28 | 5 | 9 | 4 | 19 | 13 | 13 |
| 1999 | LOTTE | 4.50 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 18 | 4 | 5 | 1 | 3 | 0 | 1 | 3 | 2 |
| 1998 | LOTTE | 18.62 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 0.000 | 62 | 9 2/3 | 22 | 3 | 7 | 5 | 6 | 21 | 20 |