Shuji Kondo
On July 25, 2010, Yun, as Jimmy Yang, returned to All Japan Pro Wrestling to take part in the 2010 Junior League. Yang finished second in his block, after victories over Shuji Kondo, MAZADA and Taka Michinoku, and advanced to the semifinals of the tournament. On August 8 Yang first defeated Minoru in the semifinals and then KAI in the finals to win the 2010 Junior Heavyweight League. With his victory Yang had earned a shot at the World Junior Heavyweight Championship, but was defeated in his title match on August 29 by the defending champion, Yang's former tag team partner, Kaz Hayashi.