Artur Beterbiev vs. Dmitry Bivol fight: Five biggest storylines to watch in undisputed title showdown

All four titles in the light heavyweight division will be on the line on Saturday night

The biggest light heavyweight title bout of this century takes place on Saturday in Saudi Arabia as unbeaten titleholders Artur Beterbiev and Dmitry Bivol square off for 175-pound supremacy. 

Beterbiev (20-0, 20 KOs) will put his IBF, WBC and WBO titles on the line against the WBA strap of Bivol (23-0, 12 KOs) as the pair meet inside of Riyadh's Kingdom Arena to crown the first four-belt, undisputed champion in divisional history. 

As we draw closer to this long-awaited showdown, which has been delayed due to injuries and rescheduling, let's take a closer look at the biggest storylines entering this weekend.