Conor McGregor is MMA’s lone representative on a new top 100 list of the world’s most popular athletes. Officials today unveiled the ESPN World Fame 100 . According to ESPN, the rankings are based on a formula devised by ESPN Director of Sports Analytics Ben Alamar, and they combine endorsements, social-media reach and other data. Atop this year’s list, which debuted in 2016, is all-time soccer great Cristiano Ronaldo, followed by NBA legend LeBron James (No
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