It seems Colby Covington is back on social media. The former UFC interim welterweight champion took to Twitter on Monday to challenge NBA star LeBron James to a boxing bout. The tweet comes on the heels of Legends Only League boxing event on Saturday night. The event, which was headlined by Mike Tyson vs. Roy Jones Jr., featured a bout between YouTube star Jake Paul and former NBA player Nate Robinson in the co-main event of the card.
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