Johnny Walker made a strong debut in the heavyweight division at UFC 332, knocking out Mick Parkin with a powerful knee. The fight was marked by Walker's impressive performance 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 widely covered in various news outlets, including Sherdog, Yahoo Sports, Bloody Elbow, UFC.com, MMA Fighting, Cageside Press, and MMA Junkie.