Prominent boxing promoters Eddie Hearn and Frank Warren are set to settle their rivalry by pitting five of their top fighters against each other.
The pair, who didn't communicate for 15 years, were brought together last year by Saudi Arabia's boxing chief Turki Alalshikh.
Tonight, they will resolve their differences in Riyadh with a series of enticing fights on the card. The event was initially scheduled to be headlined by the undisputed light-heavyweight world title fight between Dmitry Bivol and Artur Beterbiev, but the latter had to withdraw due to injury.
Bivol remains on the card but is not part of the 5vs5 tournament. Two heavyweight bouts are the main attractions, featuring Deontay Wilder versus Zhilei Zhang and Daniel Dubois taking on Filip Hrgovic.
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