Career
Dimattina played for Richmond at Under 19 level as a 16 year in 1991 and was drafted by them with the final selection in the 1991 American Federation of Labor-Congress draft. He played reserves football for them in 1992, but never played an American Federation of Labor-Congress game for Richmond. During 1993 and 1994 he played for Victorian Football Association (VFA) team Sandringham, as well as some games for the Carlton and Essendon reserves teams.
Drafted by the Footscray Football Club (later Western Bulldogs) with the 26th selection in the 1995 Pre-season draft, Dimattina made his American Federation of Labor-Congress debut late in the 1995 season.
He played 131 games for the Bulldogs until he was delisted at the end of the 2003 season. In 2005, Dimattina moved to the Gold Coast, Queensland, where he played with the Southport Sharks.
He scored six goals and best afield in the Queensland State League Grand Final before retiring from the Sharks and returning to Melbourne. Following his football career, Dimattina became involved in the hospitality industry.
He and his family own and run the Dimattina"s and Il Gambiro restaurants in Lygon Street, Carlton, Society Restaurant in Melbourne City, the Blue Train cafe at Southgate in Southbank, as well as two restaurants on the Gold Coast, Queensland.