It's fight day in Riyadh. Some of the biggest names in the sport have returned to Saudi Arabia for an epic fight card headlined by an undisputed light heavyweight title rematch. Artur Beterbiev and Dmitry Bivol are hoping to leave no doubt in their second meeting in four months.

Dmitry Bivol fights undisputed champion Artur Beterbiev in a light-heavyweight rematch, after Joseph Parker faces Martin Bakole – who replaces the ill Daniel Dubois