Career
Purdy made his League of Ireland début for Home Farm against EMFA on the 6th of November, 1988. He spent six seasons with Dundalk, winning the League with the team in (scoring 2 goals in 26 appearances). He joined Shamrock Rovers in the summer of 1997 where he stayed for four seasons, making two appearances in Europe (scoring once).
Purdy was capped by Ireland at U15, U16, U17, U18 and U21 levels.
He played in two qualifiers in the 1990 Union of European Football Associations European Under-18 Football Championship qualifying campaign.