sentences:  Hailing from Cairns, Queensland, Gavin Allen started his career with Brisbane's Fortitude Valley Diehards before moving to Sydney's St George Dragons for the 1987-88 seasons.Returning to Queensland for the 1989 Brisbane Broncos season, and although not big for a front-rower, Allen's exceptionally high workrate made him a vital component of the Broncos' forward pack from 1990.Allen made his interstate representative debut when selected on the bench for Game I of the 1991 State of Origin series, becoming Queensland State of Origin player No.