Fighter Profile
| Birthday: | 17/03/1987 |
| Age: | 28 |
| Born In: | Po-Hang & , |
| Fighting Out Of: | Seoul, , South Korea |
| Height: | 67 in |
| Weight: | 145 lbs |
| Reach: | 74.0 in |
| Stance: | Orthodox |
UFC Fight Record
Fight History
| Result | Fighter | Event | Method | R | Time |
| Loss | Jose Aldo | UFC 163: Aldo vs Jung | KO/TKO | 4 | 02:00 |
| Win | Leonard Garcia | UFC Fight Night Live: Nogueira vs Davis | Submission | 2 | 04:59 |
| Win | Dustin Poirier | UFC on FUEL TV: Korean Zombie vs Piorier | Submission | 4 | 01:07 |
| Win | Mark Hominick | UFC 140: Jones vs Machida | KO/TKO | 1 | 00:07 |
| Loss | Leonard Garcia | WEC 48: Aldo vs. Faber | Decision - Split | 3 | 05:00 |
| Loss | George Roop | WEC 51: Aldo vs. Gamburyan | KO/TKO | 2 | 01:30 |
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