Mackenzie Dern vs. Mandy Polk Full Fight | LFA 24

Watch Mackenzie Dern face Mandy Polk in a women's flyweight bout at LFA 24 in Phoenix on October 13, 2017. Dern dropped Polk with punches before securing a rear-naked choke at 2:55 of Round 1, improving to 4-0. It was the future UFC strawweight champion's flyweight debut under the Legacy Fighting Alliance banner.