Mackenzie Dern Avenges Loss, Submits Amanda Ribas with Late Armbar at UFC Vegas 101

Jan 12, 2025, 02:59 AM

Mackenzie Dern defeated Amanda Ribas via armbar submission at 4:56 of Round 3 in the main event of UFC Vegas 101, becoming the first fighter to submit Ribas. Both fighters weighed in at 116 pounds, making the strawweight rematch official for the first UFC main event of 2025. The victory allowed Dern to avenge her previous loss to Ribas, securing the submission with just four seconds remaining in the round.