He played for Balmain and the Canberra Raiders in the New South Wales Rugby League (NSWRL) competition.
In 1980, Knight captained Balmain on occasion and the side managed to reach the Tooth Cup final against Parramatta.
In 1981, Balmain endured a horror year on the field and finished last, claiming the wooden spoon after winning only 6 games all season.
At the end of 1982, Knight decided to join Canberra after being approached by coach Don Furner.
[2] [3] Knight went on to become a coach for the Under 17 Canberra side and also an Indigenous worker becoming chairman of the WCC (Wiradjuri Condobolin Culture).