[1] Recruited to the AFL from the Woodville-West Torrens Football Club, Manfield was selected by Fitzroy with the 24th pick of the 1994 National Draft.
[2] He made his debut in the opening round of the 1995 AFL season, against Essendon at Western Oval, but did not feature again that year.
[3] After playing four games in 1996, Manfield entered into the draft again and was signed up by Richmond.
[3] In 1999 he joined Collingwood but would not play a senior AFL games for the club.
[4] He later played at Glenelg and while with the club in 2003 was diagnosed with testicular cancer.