Career
However, in a two-year spell with the club, he made only a single appearance, in an 2005 FA Cup match. Yoon then moved to Daegu Football Club. Initially, he did not play a significant on-field role, although over time he has become a regular starter, playing 26 games in total for the 2009 season. In November 2009, he moved to Sangju Sangmu while he completed his two-year military obligations.
In July 2011, he related 2011 South Korean football betting scandal.