Deontay Wilder astonishingly called out Brock Lesnar for a crossover fight and claimed he could slay the 'Beast' in a boxing match.
The 34-year-old WBC champ has chalked up a whopping 41 victories in 42 professional fights, with 40 of those coming by way of knockout.
Speaking to TMZ in 2016, Wilder snubbed the idea of a showdown with UFC legend Jon Jones in favour of setting up a blockbuster clash with Lesnar.
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The 'Bronze Bomber' explained: "I'd go straight to Brock Lesnar. Why not?
"It's just size [290lbs vs 227lbs]. Size doesn't mean anything -- not all the time.
"It does take a little bit of skill and a little bit of will.
"And it takes a little bit of heart and a little bit of determination, and all that's a recipe.
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"So I think [Lesnar] would be way too muscular. And when you're muscular like that, you knock off your flexibility."
Lesnar, 42, last fought in UFC in 2016 and was rumoured to make a sensational return for a fight with fierce rival Daniel Cormier back in August.
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But UFC president Dana White later confirmed that plans for the fight had fallen through and the WWE champ was "done" with MMA.
White explained: "He's made his decision. I don't know where he is in that other world.
"I know he was looking at doing a new deal with Vince [McMahon] to stay with WWE.
"I've always had a good relationship with Brock. We've always dealt really well with each other."
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Wilder is scheduled to make the tenth defence of his WBC heavyweight title on Saturday in a rematch with Luis Ortiz.
Cuban star Ortiz, 40, troubled the KO artist in their 2018 clash before succumbing to a tenth-round TKO defeat at the Barclays Center in New York.
And 'King Kong' has warned Wilder that he will be at his best for their rematch and promised that one of them is "getting knocked out."
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He said: "I don't like to lose. There were legitimate circumstances why I wasn't at my best the first fight. It was a fatigue stoppage. I believe if I had continued, I would have gotten the knockout. It was only fatigue, but I've corrected that this time around, so the better man will win.
"We will show you on Saturday night how we're going to win. When the bell rings it will be on display. But we're always ready to adapt. Everyone will see on Saturday night.
"This will be the second world war between us. I've had 500 fights, including my amateur fights. At heavyweight, everyone has power. Sometimes it feels like a horse is kicking you. Wilder has a lot of strength, but I'm going to show what I know and what I can do.
"Like I said before, and Deontay said too, this is not going 12 rounds. One of us is getting knocked out. I wish there were no bells between rounds so we could just keep going."
Featured Image Credit: PATopics: Bronze Bomber, Boxing News, Boxing, Deontay Wilder, Brock Lesnar