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