Parker won the WBO world title in 2016, lost it, lost his way, but has now been in a long, long period of restoration and glittering success. Dubois was unbeaten and then suffered crushing defeats in two fights before a three-fight sequence transformed his career.

All you need to know about Daniel Dubois v Joseph Parker, including ringwalk time and undercard for their world title fight in Saudi Arabia.

Saturday's show in Riyadh, Saudi Arabia has been hailed the best card boxing has ever seen -- and for good reason. Boxing promoters are known for their hyperbole and selling events they stage. But the seven fights set to take place at the Kingdom Arena are all good enough to have been the main event at sold-out arenas.