Move over, Khabib Nurmagomedov. Erberth Santos has you beat. Santos, a multiple-time champion in IBJJF competition, took on Felipe Pena in a highly anticipated encounter at a BJJ Stars event in Sao Paulo, Brazil. It was only a matter of minutes into the matchup that Santos suffered an apparent knee injury
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Video: All hell breaks loose at BJJ Stars event after competitor attacks fans – MMA Junkie