Career
He played with Street Kilda in the Victorian Football League (VFL). Armstrong, a defender, came to Street Kilda from East Ballarat. He made 12 senior appearances for Street Kilda, in the 1982 VFL season.
In 1994 Armstrong was appointed Football Manager of the Geelong Football Club and remained in that role until 1997, when he became Football Manager for the Western Bulldogs.
He left the Bulldogs in 2002. From 2004 to 2008, Armstrong was the Football Operations Manager for Richmond.
He now works for the American Federation of Labor-Congress Coaches Association, as Operations Manager.
