Tyson Fury stormed off mid-interview after weighing in for his undisputed clash against Oleksandr Usyk.
Fury will defend his WBC title against Usyk, who puts his WBA (super), IBF and WBO titles on the line when they meet on Saturday.
And Fury tipped the scales at 262lbs while Usyk weighed a career-high 233.5lbs for their Riyadh showdown.
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The British star stuck it on Usyk during the final face-off before shoving him away in an intense moment.
Security guards were quick to intervene as they separated the fighters and prevented the situation from escalating even further.
After weighing in, the self-proclaimed 'Gypsy King' launched an explosive, X-rated rant aimed at his Ukrainian opponent and his team.
"We're ready to rock and roll... fireworks tomorrow night. I'm going to knock this little f**ker spark out," he said.
Asked about the historic bout, Fury replied: "I'm coming for his heart... f**k his belts.
"F**k him and f**k all his team, too. F**k the lot of them," he exclaimed, before storming off backstage.
As for Usyk, he issued his own message: "Don't be afraid, I will not leave you alone tomorrow."
Asked whether he is feeling the pressure, he replied: "It's my plan. If I was nervous I wouldn't win."
Fury vs. Usyk is just one day away as an undisputed champion will be crowned for the first time since 1999.
Topics: Oleksandr Usyk, Tyson Fury, Boxing
Nasir Jabbar