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,

In Tokyo, Japan, Naoya Inoue, the undisputed super bantamweight champion successfully retained his titles on Friday morning with a fourth-round KO win over Ye Joon Kim.

Naoya Inoue, arguably the top pound-for-pound boxer on the planet and undisputed junior featherweight champion, returns to the ring on Friday. Inoue will defend his four world championships against Ye Joon Kim in a main event from Tokyo's Ariake Arena.

Follow along for round-by-round updates as Naoya Inoue puts his undisputed crown on the line against Ye Joon Kim.

Kim, a 32-year-old native of South Korea, filled in on late notice to replace Australia's Sam Goodman, a mandatory challenger who twice pulled out of scheduled bouts against Inoue over the past two months due to a cut suffered in sparring.

The Japanese star kept hold of his super-bantamweight belts with a fourth-round stoppage of Kim, who stepped in for the injured Sam Goodman

Naoya Inoue, ESPN's No. 3 pound-for-pound boxer, will help usher in the 2025 title fight slate with his third defense of the undisputed 122-pound championship early Friday in Tokyo (ESPN+, 4:15 a.m. ET).

Undisputed super bantamweight champion Naoya Inoue made another successful defense of his title following a fourth-round knockout over the unheralded late replacement Kim Ye Joon this Friday evening at Ariake Arena in Tokyo,

The Monster” has done it again. Arguably the pound-for-pound best boxer in the sport, Naoya Inoue defended his undisputed super bantamweight

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 a

Naoya Inoue takes out Ye Joon Kim with one brutal right hand in the fourth round before outlining future plans