UFC 222: Mackenzie Dern - I'm Ready for the UFC

Mar 1, 2018 2:52
Brazilian jiu-jitsu phenom and undefeated UFC newcomer Mackenzie Dern is confident that she is ready for the Octagon. Watch her debut this Saturday in the featured bout of the FS1 prelims at UFC 222: Cyborg vs Kunitskaya on Pay-Per-View.