Here's all you need to know ahead of Naoya Inoue's undisputed junior featherweight title defense against late replacement Ye Joon Kim on Friday.

Japanese fighter Naoya Inoue (28-0, 25 KOs) is considered by many to be the best pound-for-pound boxer in the world and on Friday, January 24, he will headline the first major card

Korean challenger Ye Joon Kim is a huge underdog as he steps in as a late replacement to take on the pound-for-pound phenomenon Naoya Inoue.

Inoue had been scheduled to defend against Sam Goodman, but he suffered an injury in camp and had to be replaced by Kim. For fans outside of Australia, Kim and Goodman are interchangeable. No difference.

The new year has a growing number of events set for the first few months. Many of the sport's biggest names already have fights on the 2025 calendar, including several members of the pound-for-pound elite.

Local fighters look to impress in Japan on the Naoya Inoue vs. Ye Joon Kim undercard. Here's a breakdown of all the action on the Inoue vs. Kim card.

Naoya Inoue (28-0, 25 KOs) will defend his WBC/WBO/IBF/WBA super bantamweight title against the late replacement Ye Joon Kim (21-2-2, 13 KOs).

No. 2 pound-for-pound boxer by The Ring and undisputed super bantamweight champion of the world, Naoye Inoue of Japan, makes the third defense of his 122-pound titles when he takes on South Korean Ye Joon Kim at his beloved Ariake Arena in Tokyo,

Naoya Inoue is set to defend his undisputed world titles again this week, as Ye Joon Kim steps in for the injured Sam Goodman. Inoue, a four-division champion who has been undisputed at two weights, was due to box Goodman in December – in the Japanese superstar’s third defence of his super-bantamweight belts.