He played for Balmain, Western Suburbs and Cronulla-Sutherland in the New South Wales Rugby League (NSWRL) competition.
Cox made his first grade debut for Balmain in 1976 and finished the club's top point scorer.
In 1978, Cox joined Cronulla but only made 5 appearances during the season and missed out on playing in the club's grand final defeat and subsequent replay.
Cox finished as the club's top point scorer in 1982 and played in the teams minor preliminary final defeat against Eastern Suburbs.
This rugby league football biography relating to an Australian born in the 1950s is a stub.