Johnny Walker made a strong debut in the top weight class at UFC 332, knocking out Mick Parkin with a knee strike. The fight was highlighted by Walker's strong showing and the dramatic knockout, which left Parkin knocked out. The event generated significant interest and reactions from MMA professionals, with many expressing interest in a potential matchup with Poatan. Walker's win was broadly reported in various news outlets, including Sherdog, Yahoo Sports, Bloody Elbow, UFC.com, MMA Fighting, Cageside Press, and MMA Junkie.