He initially debuted for the New South Wales Sheffild Shield team on 5 March 1998.
Batting at number six he only managed eleven when he was trapped in front by Colin Miller.
His career suffered a major setback in 2002 when he tested positive for the banned masking agent probenecid.
[1] Ahead of the following season he moved to Victoria in an effort to further his first-class career, yet despite large success at club level with St Kilda (where he won consecutive Ryder Medals as the best player in Premier Cricket), Rummans was unable to attain a regular position with the state team.
He moved back to New South Wales after the 2006–7 season for family reasons and captained St George to successive First Grade premierships.