Naoya Inoue is set to face Sam Goodman on December 24.
The Japanese boxing star will defend all his belts.
What's at stake?
Naoya Inoue has a knockout-to-win ratio of 89.28%.
He aims to extend his nine-fight knockout streak.
The opponent
Sam Goodman is undefeated and targeting his 20th career win.
He came back from a knockdown to defeat Luis Nery earlier this year.
The challenge
Goodman called the fight "the opportunity of a lifetime".
He vowed to be fully prepared and criticized Inoue's team for overlooking him.
Naoya Inoue successfully defended his title against TJ Doheny with a body shot.
The undercard
WBO bantamweight champion Yoshiki Takei will continue his successful year.
Welterweight Jin Sasaki will face Shoki Sakai.
The undercard features mostly Japanese fighters, adding to the excitement.
The fight will take place on December 24 at Tokyo's Ariake Arena.
Naoya Inoue's next challenge is Sam Goodman, with four belts on the line.