Nix, a centreman recruited from Trafalgar, debuted at VFL level aged just 17. He made 95 league appearances for Richmond, between 1949 and 1956. At the end of the 1956 season, Nix was appointed playing coach of Latrobe Valley Football League side Sale.
Sale were premiers again in 1959, Nix"s third and final season at the club
From 1960 to 1962, Nix was captain-coach of Mornington, in the Mornington Peninsula Football League. He led them to a premiership in his first season.