Gaspercic won the Professional goalkeeper of the year award for the 1997-98 season while playing with modest K.R.C. Harelbeke. He also played, in Belgium, with FC Winterslag (aka Racing Genk), and had an 8-year La Liga stint with CF Extremadura, Real Betis, Deportivo Alavés and Albacete Balompié (Spain).
Gaspercic enjoyed 8 caps for Belgium between 1998 and 2001.