UFC legend Ronda Rousey once called out boxing legend Floyd Mayweather and brutally told him to "learn to read and write" after he took a swipe at her.
And White's comments didn't sit well with Mayweather, who suggested that he didn't know who Rousey was and even referred to her as "he" in an interview.
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Mayweather, 43, didn't waste the opportunity to take another dig at Rousey by saying that she should earn at least $300m before talking about him.
SB Nation reports that Rousey pulled no punches when she responded to the former five-division champ's $300m comments, calling him out for his reading problems.
The 33-year-old American star said at the time: "I actually did the math and, given the numbers of my last fight, I'm actually the highest-paid UFC fighter, and I'm a woman.
"I think I actually make two to three times more than he does per second... so when he learns to read and write, he can text me."
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Rap legend 50 Cent, who has had an ongoing rivalry with Mayweather, has also taken a swipe at 'Money' over his reading ability.
UFC superstar Conor McGregor called out Mayweather's reading skills during his memorable trash-talking rant in the build-up to their 2017 blockbuster mega-fight.
Rousey, who retired from MMA after suffering back-to-back defeats, was tipped to beat Mayweather in a fight by Filipino superstar Manny Pacquiao.
Pacquiao said in 2015: "[Can she beat him?] I believe so. She's strong. Strong enough to beat Floyd Mayweather in MMA."
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When asked if she would beat Mayweather in a fight, the 'Baddest Woman on the Planet' insisted that he would "definitely beat me in a boxing match."
However, UFC Hall of Famer Rousey argued that wouldn't be the case in a no-holds-barred fight, saying that she could "beat anyone on this planet."
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