Few on this planet know what it’s like to be the best in the world. Fewer still reach that point before they’re old enough to vote.

Then again, there’s only one Claressa Shields, who won her first of two middleweight boxing Olympic gold medals at the 2012 Games in London at just 17 years old. Since winning her second four years later in Rio de Janeiro, she conquered the professional boxing world and already has some proclaiming her the greatest woman to ever step into the ring.

So, what does a young athlete who still hasn’t peaked do now? In Shields’ case, she finds another sport to take over: mixed martial arts.

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