Career
Thornborrow was initially drafted by Street Kilda in the 1989 National Draft, but the Glenelg recruit remained in South Australia and didn"t play in the American Federation of Labor-Congress until 1994. He played 13 games for Street Kilda, in two seasons, then went to Richmond, which had traded Jamie Elliott for him. Thornborrow returned to Glenelg without playing senior football for Richmond.