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.

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.

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

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.

The odds are firmly stacked (to say the least) against Kim, who has won his last two fights against Rakesh Lohchab and John Basan after losing a decision against Rob Diezel in America in April 2023 - his first defeat for more than a decade.

Over time, Naoya Inoue's fights have turned into must-see bouts that the "Monster" often turns into additions of his already-electric highlight reel.

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.