Career
Hardeman played as a half back and made his senior debut for Melbourne in the 1967 VFL season. He remained with the club until 1977, finishing second in the 1974 count and earning All Australian selection for his performance in the 1972 Perth Carnival. After leaving the club at the end of 1977 Hardeman joined Sturt in the South Australian National Football League (SANFL) but returned to Melbourne in 1981 to play for one final season.
Hardeman is only one of four football players, with Trevor Barker, Geoff Cunningham and Steven Smith, to have played 200 VFL/American Federation of Labor-Congress games but not play a final.
In 2000 he was selected at centre half back in Melbourne"s official "Team of the Century".