Brazilian Jiu-Jitsu ace Mackenzie ... decision. As Dern gears up for redemption, she's making sure to come in prime shape and she did just that on Friday at the official weigh-ins.

Headlining the UFC Vegas 101 main event is a five-round strawweight fight between Mackenzie Dern and Amanda Ribas. Both women successfully made weight, although two fighters on the undercard did not.

This article originally appeared on MMA Junkie: UFC Fight Night 249 video: Mackenzie Dern, Amanda Ribas make weight in Las Vegas ...

The weigh-ins for the event are set to kick off ... results and highlights from all the action at UFC Fight Night: Mackenzie Dern vs. Amanda Ribas 2.

MMA interviewer Nina-Marie Daniele and fans reacted to the intense face-off between Mackenzie Dern and Amanda Ribas after both fighters successfully made weight for their highly anticipated bout.