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.

Mackenzie Dern gained redemption against Amanda Ribas, securing a submission victory at the 4:46 mark of the third round at UFC Vegas 101 on Saturday.

The world’s leading MMA promotion recently concluded their first event of the year, UFC Vegas 101. The event lived up to the hype and had a little bit of everything. In the main event, a true showcase for grappling enthusiasts was on display as Mackenzie Dern out-grappled Amanda Ribas and secured a victory.