“Next, he wants Usyk,” the elder Dubois told The Ring magazine, which is owned by Saudi adviser Turki Alalshikh, the man behind the Gulf state’s aggressive entry into boxing. “It’s frustrating about the Parker fight, but he couldn’t fight with an infection. Usyk is who we’re going after next.

Daniel Dubois' dad has revealed details of the illness that caused his son to pull out of fighting Joseph Parker just hours before their match.

Daniel Dubois was forced to withdraw from his planned defence of the IBF Heavyweight Championship against Joseph Parker at short notice last weekend - and details have now emerged as to why doctors wouldn't allow the 27-year-old to compete.