ANTHONY JOSHUA got involved in a row with Logan Paul after knocking his brother out.
And security had to step in over the incident with a £370,000 chain.
Joshua, 36, laboured to a sixth-round victory over YouTuber Jake.
After a sluggish and boring opening four rounds, during which fans accused the fight of being fixed, it exploded into life in the fifth.
AJ dropped his opponent twice and then finished off the job in the sixth, ending the fight with a brutal right hand which left Paul spitting blood and a suspected broken jaw.
But the former world champion nearly got into a second bust-up of the night afterwards.
In the immediate aftermath of the win, the giant-sized ring was suddenly packed with entourages and cameramen.
That included Jake’s brother Logan, who was initially embarrassingly denied access to the blockbuster bout in Miami.
Logan, like his sibling, made his name from YouTube and is now part of WWE after his own foray into boxing.
And he went looking for a spat when he tried to snatch Joshua’s expensive chain.
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The Netflix cameras cut to AJ and Logan arguing in the ring, with Joshua clearly animated.
And it appeared to be because Logan tried to snatch the crypto company Polymarket’s £370,000 ($500,000) bling from the Brit.
JAKE PAUL VS ANTHONY JOSHUA LIVE: FOLLOW ALL THE REACTION FROM MIAMI
The pair were spotted arguing before AJ’s security personnel intervened to separate them.
Logan pleaded his innocence but Joshua was not happy then turned away as one of his team put the necklace around his neck.
The American even tried to get another nibbling comment in AJ’s ear before walking off – as the Watford man was announced as the official winner.
Pathetic Logan had spent most of the fight chirping away at Joshua from ringside.
He said: “It’s good, bro. You’re the old guy now. That’s crazy.
“So what are you gonna do? What are you gonna do?
“You’ve lost every single one of them. You’ve lost every single round.
“This could be a legacy ender, AJ.”
But moments later, Joshua crunched Jake and left him sprawled on the canvas, unable to beat the count.
Joshua used his post-fight interview in the ring to call out Tyson Fury for a long-awaited Battle of Britain.
As for his defeated opponent, he drove himself to hospital to get his jaw checked out.
Jake Paul vs Anthony Joshua – latest reaction
Jake Paul down four times before Anthony Joshua wins
Anthony Joshua beat Jake Paul in a Netflix superfight in Miami – but viewing fans were not impressed with what they saw.
The two-time heavyweight champion was expected to steamroll the former YouTuber but it took him SIX rounds to get rid of the game American.
Paul was down four times in the fight but fans, commentators and even the referee criticised the pair for a lack of action and punches thrown.
Joshua called out Tyson Fury after the fight while Paul revealed he had suffered a gruesome broken jaw.
JAKE PAUL VS ANTHONY JOSHUA – ALL THE LIVE REACTION
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