TMZSports.com

MMA's Rener Gracie Says 'Shark Tank' Blew Up His Clothing Brand!

Rener Gracie is MMA royalty -- a member of the legendary Gracie family which created Brazilian jiu-jitsu. But he's also fashion designer -- and he tells TMZ Sports his business went CRAZY a few weeks ago when he made a deal on "Shark Tank."

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