Briton Daniel Dubois will defend his world heavyweight title against former champion Joseph Parker in Saudi Arabia on 22 February.
Dubois, 27, made a spectacular first defence of his IBF belt by beating Anthony Joshua in September.
New Zealand’s Parker, 32, held the WBO title between 2016 and 2018 before losing it to Joshua.
Also on the card in Riyadh, Artur Beterbiev will defend his undisputed light-heavyweight crown in a rematch with fellow Russian Dmitry Bivol.
Undefeated Londoner Hamzah Sheeraz will challenge for his maiden world title against WBC middleweight champion Carlos Adames, while British light-heavyweights Joshua Buatsi and Callum Smith will meet for Buatsi’s WBO interim title.
Shakur Stevenson will put his WBC lightweight belt on the line against Floyd Schofield and Zhilei Zhang faces Agit Kabayel for the interim WBC heavyweight title to complete the blockbuster card.