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.

Artur Beterbiev and Dmitry Bivol top a massive bill of boxing in Riyadh tonight as they contest a rematch of their undisputed light-heavyweight title fight at the Kingdom Arena. It is only four months since the Russian duo first clashed at the same venue,