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