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Demetrious Johnson has demonstrated time-and-time again that he’s one of the greatest fighters the planet has ever seen, and now, we have more evidence as to why that’s the case.

Yes, as the title above reports, recently Johnson received his brown belt in Brazilian Jiu-Jitsu from Bibiano Fernandes and Matt Hume. Not every fighter continues to train in the gi, once they’ve become an established, top-tier star.

Johnson is coming off a split decision loss to Henry Cejudo in August, which snapped his historic reign as the flyweight champ.