[1] He announced his retirement from contact sports in 2011, with subsequent stints as color commentator for Japanese and Korean mixed martial arts and professional wrestling events.

[2] By the time he was 19, Kim was competing internationally in major judo tournaments - winning the gold medal at the 1994 World Junior Championships in Cairo by defeating Istvan Szasz in the -95 kilogram division.

He entered the 1996 Summer Olympics as a half-heavyweight member of the South Korean national team, in which capacity he reached the finals and earned the silver medal by defeating Stéphane Traineau but losing to Pawel Nastula.

[3] Kim's career includes wins over Keith Morgan, Detlef Knorrek, Vernharð Þorleifsson, Dmitri Sergeyev, Ben Sonnemans, and Nicolas Gill.

[10] At Hero's 2007 in Korea in October, Kim secured the third victory of his MMA career in an openweight bout against Ikuhisa Minowa, winning by technical knockout with a series of punches.

Despite Bouzidi's superior technique and powerful low kicks, Kim displayed greater aggression and upper body strength, resulting in both fighters scoring a knockdown apiece and meeting after the initial three rounds for an additional three minutes.