Brendson Ribeiro vs Oumar Sy Full Fight – UFC Fight Night 258

Oumar Sy defeated Brendson Ribeiro via first-round technical knockout (TKO) at the 4:42 mark on September 6, 2025. The light heavyweight matchup served as the featured preliminary bout at UFC Fight Night 258 inside the Accor Arena in Paris, France.

• The Opening Exchange: Fighting in front of a highly energetic hometown crowd, the French prospect Oumar Sy opened the action by landing a few leg kicks and a clean right hand. He quickly timed a double-leg takedown to put Ribeiro on the canvas early.

• The Grappling Battle: From the top position, Sy stayed busy by landing heavy ground-and-pound. Ribeiro managed a brief moment of success by locking in a kimura sweep from the bottom, which he used to scramble back up to his feet. 
• The Finish: The respite was short-lived for the Brazilian. Sy quickly drug Ribeiro back down to the mat with roughly 90 seconds left in the round. As Ribeiro turned belly-down to avoid the incoming punches, Sy advanced behind him and unleashed a relentless barrage of unanswered elbows and punches to the side of the head, forcing referee Patricio Carlos to stop the fight. 

The dominance of the grappling exchange is reflected in the official fight metrics tracked by the UFC Performance Stats:

The decisive victory allowed Sy to successfully bounce back from his first career loss, moving his professional record to 12-1. Meanwhile, Ribeiro dropped to 17-9 overall and 2-4 within the UFC promotion.