Naoya Inoue continued his rule over the super bantamweight division after he knocked out Ye Joon Kim to retain his undisputed title . For Inoue, this fight confirmed that he is still one of the world's best pound-for-pound fighters, albeit against a last minute replacement opponent.

Naoya Inoue made quick work of late-replacement Ye Joon Kim, stopping him in the fourth round to remain the undisputed junior featherweight champion on Friday at the Ariake Arena in Tokyo, Japan. Kim gave a spirited effort,

Japan's unbeaten Naoya Inoue said he was mentally "exhausted" after knocking out a goading Kim Ye-joon to retain his undisputed world super-bantamweight titles in Tokyo on Friday. It was Inoue's third title defence since becoming undisputed super-bantamweight world champion in December 2023.