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 defeated Amanda Ribas via armbar with just four seconds remaining in the third round in the headliner of UFC's first event of 2025 on Saturday in Las Vegas.

Mackenzie Dern is building the momentum that has eluded her. For the first time in four years, Dern has consecutive wins. The decorated Brazilian Jiu-Jitsu star weaponized her grappling to hand Amanda Ribas her first submission loss at UFC Fight Night on Saturday.

MMA Junkie analyst Dan Tom goes in-depth to break down the biggest fights in the UFC. Today, he takes a closer look at the UFC Fight Night 249 main event between Mackenzie Dern and Amanda Ribas.

The first UFC main event of 2025 saw top strawweight contenders Mackenzie Dern and Amanda Ribas square off in a rematch of their 2019 meeting.

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

More than five years after their first encounter, Mackenzie Dern and Amanda Ribas are set to run it back with the stakes a little higher this time around. Their strawweight bout scheduled for five rounds is taking place Saturday, January 11 at the UFC Apex in Las Vegas.

Dern and Mackenzie remain ranked Nos. 7 and 8 among 115-pounders. There is no movement in any division except featherweight, where Josh Emmett dropped out for inactivity. He was replaced by former bantamweight champion Aljamain Sterling.

The first UFC event of 2025 took place this past weekend when UFC Vegas 101 went down in the world’s most famous APEX. Though the card was a wee bit maligned heading into the weekend, UFC Vegas 101 ended up being a pretty fun time,

Chael Sonnen thinks Mackenzie Dern missed the mark by not calling for a title shot after UFC Fight Night 249. Dern (16-5 MMA, 11-5 UFC) picked up her second-straight win when she submitted Amanda Ribas (12-7 MMA,

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