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.

Watch Mackenzie Dern vs. Amanda Ribas 2 full fight video highlights from their UFC Vegas 101 main event showdown Saturday night, courtesy of multiple outlets. Dern vs. Ribas 2 took place Jan. 11 at the UFC APEX in Las Vegas,