Since his promotional debut, there’s been much debate about Conor McGregor ’s grappling abilities, but UFC welterweight Gilbert Burns knows a thing or two about this aspect of the game. Not only is he the No. 1 contender who will challenge UFC welterweight champion Kamaru Usman at UFC 258 in February, Burns (12-3 MMA, 9-3 UFC) is also a second-degree BJJ blackbelt who’s served as the grappling coach in the corner of numerous UFC and Bellator fighters over the years
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