Warren has insisted that the winner of the fight will have the chance to clash with current unified WBA, WBC, and WBO heavyweight world champion Oleksandr Usyk.
FRANK WARREN has revealed the huge prize on offer that Daniel Dubois and Joseph Parker will be fighting for.
"It's the next two best heavyweights in the world in the ring together, fighting for a chance to unify the belts against Usyk.
Parker, 33, is in the best form of his career and is aiming to become a two-time heavyweight world champion.
Dubois, 27, will attempt to defend his IBF heavyweight title against Parker on Saturday in Riyadh, Saudi Arabia.
