Career
Like a number of amateur New Zealand Rugby Union players at the time he was lured to Rugby League in Australia. He played Rugby League between 1992 & 1995 in the Association of Research Libraries competition, prior to the Super League War. During this time he played for the South Sydney Rabbitohs and Cronulla Sharks.
He was well renowned as an accurate goal kicker at the time, and finished the 1992 season with a 78% kicking record, which was not far behind well renowned prolific goal kicker, Daryl Halligan
1993 saw Crossan playing Reserve Grade for the Rabbitohs.
Despite his great goal kicking prowess, a number of oppositions teams learnt that he had a weakness in his tackling technique, and had been targeted late in the 1992 season. In 1994 he switched to the Cronulla Sharks up until the end of the 1995 season.
In the Association of Research Libraries, he scored a total of 324 points, including 140 goals at 70%. He also scored 11 tries.
He scored all 12 points (4 penalty goals) for Southland Rugby Union club, to guide them to victory over France in 1989.
He played 49 games for Southland and 28 games for Bay of Plenty.