Mackenzie Dern Secures Submission Win Over Amanda Ribas in UFC Vegas 101 Main Event

Dern avenged her 2019 loss to Ribas with a third-round armbar submission, marking her second consecutive victory and solidifying her standing in the strawweight rankings.

Mackenzie Dern defeated Amanda Ribas via armbar submission in the final seconds of the third round, avenging her 2019 loss and improving her professional record to 15-5.
The victory ties Dern for the second-most wins in UFC strawweight history and marks the first time Ribas has been submitted in her MMA career.
The co-main event saw Santiago Ponzinibbio end a two-fight losing streak with a third-round TKO victory over Carlston Harris, showcasing resilience after early setbacks in the fight.
Cesar Almeida delivered a standout first-round KO against Abdul Razak Alhassan, earning a Performance of the Night bonus for his counter left hook finish.
Other notable results include Roman Kopylov's controversial last-second TKO of Chris Curtis, an upset victory by Christian Rodriguez over Austin Bashi, and Punahele Soriano's 31-second TKO win against Uros Medic.