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 strawweight Mackenzie Dern avenged a loss from five years ago to Amanda Ribas on Saturday, as she submitted Ribas via armbar with just four seconds remaining in the third round. A submission specialist,

In a 5-round women's strawweight bout in the main event, Mackenzie Dern and Amanda Ribas battle at UFC Fight Night 249 Saturday at the UFC Apex in Las Vegas. Let's analyze FanDuel Sportsbook's