Career
Yun was drafted in the 2010 K-League Draft by. Yun made his K-League debut on 19 March away against Jeonbuk Hyundai Motors, coming on as substitute for Kim Jin-Yong in the 72nd minutes. He was linked with Chinese Super League side Henan Jianye in January 2014, however, his transfer was blocked after failing to pass the physical examination.