Jae Hoon Kim, better known by his nickname “Yakuza,” is a South Korean heavyweight representing Apgujeong Gym. Standing out as one of the larger athletes on the Korean regional circuit, Kim has competed in organizations including ROAD FC and Breaking Down while developing a reputation for accepting difficult matchups against experienced opponents. Although his professional record does not fully reflect the level of competition he has faced, Jae Hoon Kim has remained active within Korean combat sports and has become a recognizable personality among domestic heavyweight fans.

Little publicly verified information has been released regarding Jae Hoon Kim’s childhood or martial arts background before his professional debut. He entered professional mixed martial arts during the early years of ROAD FC, a period when Korea’s domestic MMA scene was expanding rapidly and creating opportunities for new heavyweights to compete against experienced regional talent.

Competing as a heavyweight, Jae Hoon Kim relies on physical strength and forward pressure rather than high-volume movement.

His professional victories have come by knockout, demonstrating a willingness to exchange strikes and pursue finishes when opportunities develop. Jae Hoon Kim’s career has also shown the challenges of competing against experienced heavyweights, where defensive positioning and composure often determine the outcome of short, explosive contests.

Jae Hoon Kim made his professional debut during ROAD FC’s formative years and later competed across multiple Korean promotions. He earned his first professional victory through first-round ground-and-pound before continuing to accept increasingly difficult assignments against established domestic and international opponents. His appearance in Japan’s Breaking Down promotion further expanded his experience outside the traditional Korean MMA circuit.

• Competed for ROAD FC.
• Represented Apgujeong Gym.
• Competed internationally under the Breaking Down promotion.
• Earned a professional knockout victory at heavyweight.

Jae Hoon Kim’s career reflects the path of many Korean heavyweights who have consistently accepted challenging opportunities despite limited activity within the division. His willingness to compete across multiple organizations has made him a familiar figure within Korean MMA, and his experience against established opposition provides valuable perspective for future appearances.