 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 AFL draft.He played reserves football for them in 1992, but never played an AFL 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.