Conor McGregor
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Similar to Mayweather, McGregor has gone back and forth from active fighting and retirement. He recently came back in early 2021 only to get beaten badly in a rematch with Dustin Poirier. While McGregor specializes in MMA fighting, he and Mayweather even boxed once, which earned them both millions of dollars.

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McGregor has his own plane, too. He posts pictures of himself flying in his private jet on social media and isn’t afraid to flaunt his wealth. A watch with more than 500 diamonds worth $1 million was recently seen on his wrist. His private plane has cream-colored leather seats and a large dining table for his family to enjoy while they travel.
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