Here is everything you need to know about WNO 31: Pena vs. Griffith, which takes place on Friday, December 5, 2025. A trio of title belts will be on the line this Friday evening when FloGrappling’s Who’s Number One (WNO) returns to action in Round Rock, Texas. The card has

Summary

WNO 31 is poised to deliver an action-packed card for grappling enthusiasts, featuring a highly anticipated Lightweight Title bout as its main event. Dante Leon, renowned for his aggressive, submission-hunting approach, will face off against the technical and strategic Ethan Crelinsten, an ADCC veteran. Both fighters boast impressive WNO records, setting the stage for a high-stakes championship clash that promises to showcase elite-level no-gi grappling.

The co-main event will see the return of WNO Welterweight Champion Andrew Tackett, known for his relentless, high-pace style, as he takes on the formidable Jozef Chen, a rising star recognized for his dynamic guard passing and submissions. A particularly significant matchup on the card, despite not being the headliner, is the heavyweight showdown between the legendary Felipe Pena and the athletic Luke Griffith. Pena, a multiple-time world and ADCC champion, faces a challenging test from Griffith, a rising heavyweight with a reputation for submission threats, making this a highly anticipated encounter.

Adding further depth to the event are several other compelling bouts. Elisabeth Clay, an ADCC medalist celebrated for her leg locks, will compete against Amanda Bruse in a women's flyweight contest. Jacob Couch, a WNO veteran, is set to clash with ADCC veteran Sebastian Rodriguez in a middleweight bout. The card also highlights emerging talent with Achilles Rocha facing Rene Sousa, and the young prodigy Helena Crevar taking on Emily Fernandez, ensuring a full night of high-caliber no-gi action across various weight divisions.

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