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• Usyk sends Fury warning as he dismisses 'too easy' comments

  Oleksandr Usyk issued a warning to Tyson Fury, urging him not to be "afraid" ahead of their highly anticipated rematch in December. 

  Usyk became the first undisputed heavyweight since Lennox Lewis in May following his split-decision win over Fury, ending the Gypsy King's unbeaten record.

  Fury insisted that while he thought he won the fight, the only reason Usyk had been able to deliver a late onslaught was that he was "enjoying it too much and messing around".

  "Oh my god, no way! Okay, no problem. The next fight will be easy [for him too]," Usyk told Sky Sports in response to Fury's comments. 

  "For me, my fight will be hard because Tyson Fury is a big man, a good boxer, with a good boxing IQ.

  "But if Tyson says for him it will be easy, ok, no problem. I see for Tyson Fury, I see for the eyes of Tyson Fury, it's not easy. It will be hard, very, very hard.

  "Tyson, don't be afraid - I will not leave you alone."

  Fury had started the contest in the ascendency, landing an uppercut to the chin of Usyk which staggered the Ukrainian in the sixth round. 

  However, Usyk showed his powers of recovery once again, unloading on Fury with a flurry of punches that forced a knockdown in round nine. 

  Referee Mark Nelson stepped in to give Fury a count as he stumbled across the ring with just the ropes keeping him upright, managing to survive the full 12 rounds. 

  "For me, it doesn't matter," Usyk said on the officiating in Saudi Arabia. "Every referee, it's a professional guy.

  "The referee does his job. Maybe my last punch would be dangerous for Tyson Fury. It's good.

  "Tyson has a big family, I have a big family. Listen, we win. Everything is ok. I do not think about the referee after the fight. We win, thank god, all good, everything is ok.

  "A lot of people say, 'Oh the referee took your knockout win' and say 'Referee bad'. I think no, the referee is good. It's just talking. Blah blah blah."

• Dubois hopes to become 'king slayer' in IBF title showdown with Joshua

  Anthony Joshua is set for another shot at the IBF heavyweight title but Daniel Dubois hopes to become a "king slayer" when the pair meet at Wembley Stadium.

  Oleksandr Usyk vacated the IBF heavyweight championship just five weeks after becoming the undisputed world heavyweight champion with his win over Tyson Fury, confirming his decision on X on Tuesday.

  The all-British showdown was confirmed the following day as the duo prepare to battle at Wembley on September 21.

  Joshua will bid to become a three-time world champion, while Dubois will appear in his first title fight after becoming the mandatory challenger for the IBF crown with his win over Filip Hrgovic this month.

  The meeting will be Joshua's first at Wembley in three years, and Dubois hopes to bring his homecoming crashing down.

  "That's just where I'm aiming for, to fight the best and be the best," Dubois said at Wednesday's press conference. 

  "AJ's been the king for a long time and on the night, I need to become a king slayer and that's my goal, that's the mission at hand.

  "I'm learning more about myself as a fighter, as a person, coming out of the darkness and into the light, improving all round as a fighter and as an athlete. I'm up for this and ready to go."

  Joshua has repeatedly been suggested as a potential opponent for Usyk or Fury, though says he will turn his attention solely on the upcoming Dubois bout.

  "Congratulations to Daniel for winning his last fight," a measured Joshua said at the same press conference. 

  "I've been having Dubois on my mind for a while and he'll be on my mind for the next 12 weeks until I get my hand raised.

  "The goal is just getting through a successful training camp, performing on the night and the shiny stuff comes at a later date."

• Usyk no longer undisputed champion with Joshua set to fight for IBF belt

  Oleksandr Usyk has vacated the IBF heavyweight championship just five weeks after becoming undisputed world heavyweight champion with his win over Tyson Fury.

  The Ukrainian handed Fury his first professional defeat via a split decision last month to unify the WBC belt with his WBA, WBO and IBF titles.

  The fighters are set to face off in a rematch in December and Usyk had requested he keep the IBF belt to make that contest another undisputed bout.

  However, the IBF's rules dictated that Usyk had to be stripped of the title if he did not face mandatory challenger Daniel Dubois next.

  Dubois is expected to face fellow Brit Anthony Joshua at Wembley Stadium on September 21, and that fight is now likely to be for the IBF championship.

  Addressing Joshua and Dubois in an Instagram post, Usyk wrote: "The IBF belt is my present for you. 

  "Your friend, the undisputed heavyweight champion of the world, Oleksandr Usyk."

  Usyk was the first undisputed heavyweight champion since the turn of the century, with Lennox Lewis last achieving the feat in the three-belt era in 1999.