Seongnam
Choi helped Seongnam becoming runner-up that season, but in 2008, he was disappointing, and announced he would join the army in 2009, which made many Seongnam fans angry. He moved to Gwangju Sangmu, the army team at the beginning of the 2009 season. There, partnershiped with Kim Myung-Joong, he has been the core of Gwangju's surprising upset.
In late 2010, he came back Seongnam and participated 2010 FIFA Club World Cup as 2010 AFC Champions League Champions. He scored in quarterfinal against United Arab Emirates side Al-Wahda.
Read more about this topic: Choi Sung-Kuk, Club Career