Originally from Corrimal, New South Wales, John 'JJ' Jansen first got noticed as a 19 year old playing for Illawarra Firsts against the touring Great Britain Lions in 1974 in a side coached by Norm Provan and captained by former Great Britain hardman Cliff Watson.
He would have been picked in the 1979 Grand Final squad if a chronic knee injury hadn't ruined his season.
1983 was his last season, and due to a season-ending injury to Craig Young, John Jansen captained the St. George side to the semi-finals.
[1] Rugby League legend and Immortal, Johnny Raper stated in the Big League Magazine on 17 September 1977 about John Jansen and Robert Stone that "They are potentially the best pair of second rowers St. George have ever had.
This rugby league football biography relating to an Australian born in the 1950s is a stub.