Johnny Walker defeats Waldo Cortes-Acosta by third-round KO at UFC Vegas 124

Johnny Walker secured a third-round knockout over Waldo Cortes-Acosta at UFC Vegas 124, marking his second straight win since transitioning from light heavyweight to the heavyweight division. Walker landed a hard right hand early in the third round that finished the bout at 2:27.

After the fight, Walker said, "> This is not technique. This is surprise motherf***er."

The matchup was arranged on short notice after Sean Brady withdrew from a scheduled main-event fight with Gabriel Bonfim because of injury. Both competitors were seeking a rebound: Cortes-Acosta aimed to end a two-fight losing streak, while Walker wanted to confirm that his earlier heavyweight victory over Mick Parkin was not an anomaly.

Throughout the first two rounds, Walker kept distance, using leg kicks and searching for striking angles, while Cortes-Acosta pressed forward, looking for head shots. Judges had Cortes-Acosta ahead on two of three scorecards entering the final round. Walker weathered the pressure and landed the decisive right hand, prompting him to add, "> F*** everybody who says I have no chin."

The win improves Walker’s standing in the heavyweight division, where he has shown stronger performance than during his final five light-heavyweight outings, where he recorded only one victory.

The event’s main card also featured Tatiana Suarez defeating Virna Jandiroba by unanimous decision, Elijah Smith knocking out Davey Grant in the first round, and other results across multiple weight classes.