A tenacious, and physically strong winger, he also possessed notable stamina, a powerful shot from distance, and was accurate from set-pieces.

This turned out to be arguably his most successful time in football becoming a fan favourite while playing 188 games in six years, scoring 35 goals and winning the Coppa Italia and reaching the UEFA Cup final in 1998, as the club's captain.

[5][7] Fuser blotted his Lazio copybook by joining AS Roma in the summer of 2001, where he only played 15 games in two seasons, winning the 2001 Supercoppa Italiana, and managing second-place finishes in Serie A in 2002, and in the Coppa Italia in 2003.

[5] In 2004, he signed for ASDC Canelli, whom he helped to win its Eccellenza round during the 2005–06 season, earning promotion to Serie D. In 2008, together with fellow player and personal friend Gianluigi Lentini, he moved to Saviglianese, a Promozione amateur club of Piedmont.

[8] Fuser initially represented Italy at Under-21 level on 18 occasions between 1987 and 1990, scoring 2 goals; he was notably a member of the team that finished in third place at the 1990 UEFA European Under-21 Championship, under manager Cesare Maldini.