OLEKSANDR USYK rematches Tyson Fury in the biggest fight of his career.
Usyk became the first man to ever defeat Fury after his split-decision win in May.
GettyOleksandr Usyk facing off with Tyson Fury[/caption]He also became the first four-belt undisputed champion in heavyweight history.
But Usyk was forced to vacate the IBF belt in order to proceed with his money-spinning Riyadh rematch.
It means there are still three belts, bragging rights and...