Career
He plays now for Excelsior Maassluis. Netherlands
Leerdam played extensively at all levels of the Dutch football system, having played for VV Hoek van Holland, RKVV Westlandia, ADO Den Haag, Vitesse Delft, "s-Gravenzandse SV and VV Capelle. United States
Leerdam moved to the United States in 2011 to play for the Dayton Dutch Lions in the USL Professional Division in 2011.