Not only did Dern (16-5 MMA, 11-5 UFC) pull off her first stoppage since April 2021, she avenged a prior loss to Ribas (12-7 MMA, 7-6 UFC) and solidified herself as a potential title challenger. Dern submitted Ribas with an armbar at 4:56 of Round 3 at the UFC Apex in Las Vegas.

UFC Fight Night Mackenzie Dern vs. Amanda Ribas 2 - Full Fight Card Odds & Best Bets The pair met in Oct. 2019, as Ribas beat Dern by decision when both women had a combined 14 wins.

The 14-fight card that took place Saturday at the UFC Apex in Las Vegas was full of highlight finishes from top to bottom and was capped off by Mackenzie Dern using her world-class submission skills to avenge a previous loss to Amanda Ribas.