Mark Lyson, a judge and referee for many high-profile bouts, was soaking in the atmosphere before he began his official capacities on fight night. He was another face left stunned by the potential collapse of what was certain to be a heavyweight blockbuster.

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However, Britain's Dubois was forced to withdraw from the Parker fight on Thursday, which was set to co-headline the Artur Beterbiev vs. Dmitry Bivol 2 mega-card in Riyadh, Saudi Arabia. Parker will instead defend his WBO interim heavyweight title against dangerous contender Martin Bakole on the show.