Van Defends Flyweight Belt vs. Pantoja in UFC 331 Rematch

Joshua Van defends the UFC flyweight title against Alexandre Pantoja in the UFC 331 main event on Saturday, Sept. 19, running back a fight that ended almost as soon as it started.

Van became champion this past December when Pantoja suffered a freak arm injury less than 30 seconds into their first meeting, cutting the bout short before either man could show much of anything. That fluke finish is why UFC 331 plays more like a do over than a true rematch, and why both camps have treated the buildup with an edge. Pantoja is the long-reigning former champion looking to prove the first fight was a footnote, not a verdict, while Van has emerged as the face of the flyweight division since taking the belt.

What's At Stake in Van vs. Pantoja 2

Van goes into Saturday having barely had the chance to prove he belongs at 125 pounds. Because the first fight lasted well under a minute, nobody actually saw how a full five rounds between these two would play out. Since winning the belt, Van has turned in a standout performance against Tatsuro Taira, and that outing is the clearest evidence yet that his preparation and technique have taken a real step forward. Pantoja, at 36, is going on nine months without stepping into the cage, a layoff that could work both ways: fresh legs and a healed body, or a step slower against a younger, hungrier champion.

The full UFC 331 card includes a lightweight number one contender fight between Arman Tsarukyan and Mauricio Ruffy, with the winner expected to move into position for a shot at lightweight champion Justin Gaethje. The main card also features Patricio Pitbull against Doo Ho Choi, heavyweight prospect Gable Steveson taking on Sean Sharaf, and Alonzo Menifield meeting light heavyweight Iwo Baraniewski.

Betting Angle for Van vs. Pantoja

Books and bettors are left with almost nothing to price off the first fight given how quickly it ended, which makes this rematch a genuine gamble for oddsmakers as much as fans. Van's grappling and durability against a healthy Pantoja for a full 25 minutes is the real unknown here, and that uncertainty is exactly why a careful read of the current line matters more than usual on this card. Pantoja's case rests on elite grappling and a track record of finding ways to win late into fights even as he's aged into his late 30s. Van's case rests on youth, momentum, and a level-up that was on display against Taira. Bettors leaning toward Van are betting that improvement is real and durable across five rounds, not just against Taira's specific style. Anyone backing Pantoja is betting that time hasn't caught up to him yet and that his grappling advantage from the first fight was more than incidental.

Saturday finally answers the question hanging over the flyweight division since December: was Van's title win a product of misfortune, or is he actually the better fighter.

Frequently Asked Questions

When is Joshua Van vs. Alexandre Pantoja 2 at UFC 331?

The rematch headlines UFC 331 on Saturday, Sept. 19, with the main card starting at 9 p.m. ET on Paramount+.

How did Joshua Van win the flyweight title from Alexandre Pantoja?

Joshua Van won the UFC flyweight title after Alexandre Pantoja suffered a freak arm injury less than 30 seconds into their first fight this past December.

What else is on the UFC 331 main card?

The card includes a lightweight contender bout between Arman Tsarukyan and Mauricio Ruffy, plus Patricio Pitbull vs. Doo Ho Choi, Gable Steveson vs. Sean Sharaf, and Alonzo Menifield vs. Iwo Baraniewski.