Jeffrey, a former St Mary's junior, started his VFL career at Geelong and with the exception of one night match spent all of his time in the reserves.
A serious knee injury looked to have ended his league career and he left Victoria, only to be called up by St Kilda to play a game in 1987.
[1] Although he had represented the Northern Territory in the 1988 Adelaide Bicentennial Carnival, he played State of Origin football for Victoria in 1990.
[1] In 1992 he returned to his former club Wanderers and won the Chaney Medal when he captained them to a win in the 1992/93 Northern Territory Football League grand final.
He was the Labor candidate for the conservative seat of Brennan at the 2012 election; however, he was defeated by the incumbent Country Liberal Party MP.