Naoya Inoue and Paul Butler go head-to-head on Tuesday for the undisputed bantamweight title.
For Butler, the odds are stacked against him as he travels to Japan to face an opponent whose knockout power has sent shockwaves across the boxing world.
Inoue is considered to be a one of the best pound-for-pound fighters around after becoming a world champion in three weight classes, and claiming the undisputed title at bantamweight will cement his positioning on numerous P4P lists.
Here's everything you need to know about Inoue vs. Butler.
The main card is set to get underway at 7 p.m. JST / 10 a.m. GMT / 5 a.m. ET with the main event ringwalks scheduled for 9:30 p.m. JST / 12:30 p.m. GMT / 7:30 a.m. ET. These timings could change due to the length of the undercard fights.
ESPN+ will broadcast the fight in the U.S. (click here for more information). At the time of writing a UK broadcaster has not been announced.
The fight will take place at the Ariake Arena in Tokyo, Japan.