Can Cobrinha Capture The 'Super Grand Slam' With Gold At ADCC?

Rubens "Cobrinha" Charles is riding an incredible streak, winning the four biggest jiu-jitsu competitions in 2017: the IBJJF Europeans Championships, IBJJF Pan Jiu-Jitsu Championships, IBJJF Brazilian National Championships and the IBJJF World Championships. It's a feat that is unmatched this year.
But now 'Cobrinha' has a chance to make history.

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