Australian rules footballer for the Geelong Football Club in the Australian Football League. He's a versatile player and is able to contribute in the forward line as well as the midfield.
At 16 he entered top-level football early by signing for East Perth Football Club in the WAFL.
Duncan made his AFL debut in 2010, and was nominated at the conclusion of the season for the AFLPA Best First Year Player Award.
He's the son of former East Fremantle player Glen Rogers.