Johnny Walker Scores Knockout Victory in Heavyweight Debut at UFC 332

Johnny Walker made a successful heavyweight debut on October 3, 2026, at UFC 332 in Salt Lake City, Utah. The former light heavyweight contender stopped Mick Parkin in the first round using a knee strike during a clinch exchange, which sent his opponent to the canvas.

The matchup was originally scheduled for August against Ante Delija, but that bout was canceled when Delija withdrew. Following his victory over Parkin, Walker stated that moving up in weight allowed him to avoid the negative effects of dehydrating for the 205-pound division. He expressed confidence in his performance moving forward, claiming he feels stronger and more capable in his new weight class.