Let’s write it out one more time, just because it’s still pretty crazy to see it: Mackenzie Dern is A UFC CHAMPION. It doesn’t matter how you slice it, it’s in the record books. And that’s awesome for her.

Ketlen Vieira (15-4 MMA, 9-4 UFC) competes in her 13th UFC women's bantamweight bout, ted for the third-most appearances in divisional history behind Raquel Pennington (18) and Amanda Nunes (15). Vieira's eight victories in UFC women's bantamweight competition are tied for third-most in divisional history behind Nunes (13) and Pennington (12).

New York's Madison Square Garden will host former lightweight champion Islam Makhachev 's attempt at capturing a second world title when he challenges welterweight titleholder Jack Della Maddalena at UFC 322 on Nov.

Ariel and the Boys In The Back react to UFC 321 and kick off the week with a stacked lineup of guests, including The Big Uce himself, Joseph Parker.

Murzakanov (16-0 MMA, 6-0 UFC) needed less than a round to catch Rakic (14-6 MMA, 6-5 UFC) with a short right hand that led to the knockdown. He pounced, then a few shots later the referee pulled him off for a first-round TKO in the light heavyweight bout at Etihad Arena on Yas Island, Abu Dhabi.

Here's a look at those scenarios and what could be next for the other UFC 321 main-card stars.

The UFC 321 Main Card is heating up with this Heavyweight tilt. Check our UFC odds series for the Volkov-Almeida prediction and pick.

DraftKings MMA, UFC DFS Lineup Picks - UFC 321: Aspinall vs. Gane on 10/25/25. Alen's MMA DFS analysis to build winning daily fantasy UFC lineups.

But Walker has three straight first-round heel hook submissions on his record – the first fighter in UFC history to pull that off. A 6-foot-6 heavyweight, he's plenty imposing himself. And at the ceremonial weigh-ins for UFC 321, he showed up with a chain around his neck that held on display a rubber severed human foot.

The UFC 321 Prelims continue in the Featherweight Division. Check our UFC odds series for the Wood-Delgado prediction and pick.