Welcome To The Archive for "MacKenzie Dern"!


Mackenzie Lynne Dern is an American Brazilian jiu-jitsu practitioner and mixed martial artist. She is a former world No. 1 ranked IBJJF competitor, currently ranked 6th among the female divisions. She is an ADCC and no gi BJJ World Champion.



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  • This video is of a fish named Goldy. This fish is the MCS Mascot and this fish is the primary moderator of content on the site.