From Conor McGregor to Cristiano Ronaldo, these are 2021's top paid athletes in the world – how did they each make over US$100 million in the past year and who's the richest?
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Lionel Messi Endorsement Deals That Make Him Soccer's Richest Player
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Nike lost Lionel Messi to Adidas over 'trivial' issue that 'soured relationship' - Mirror Online
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What is Lionel Messi's net worth and how much does the Barcelona legend & PSG star earn? | Sporting News
Messi earns his stripes to win 'lifetime' deal with Adidas - Inside World Football
Besides Kanye West, Adidas Also Pushed Lionel Messi Beyond the Billion-Dollar Mark - Sportsmanor