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.

Four months on from their titanic first meeting, Artur Beterbiev and Dmitry Bivol do it all over again in Riyadh, Saudi Arabia for the undisputed light-heavywei