Mackenzie Dern is a Brazilian-American black belt and one of the top active female grapplers, gi or no-gi. She is a multiple time world champion in IBJJF, as well as a World Pro and ADCC champion.
Mackenzie Dern vs Elvira Karppinen ADCC 2017 World Championships
Sep 23, 2017
Mackenzie Dern vs Elvira Karppinen ADCC 2017 World Championships