An elegant, technically gifted, and agile forward, known for his delicate touch on the ball and use of feints,[1] he usually played in a central role; his nicknames were piede caldo (Hot Foot) and Dinamite (Dynamite), due to his eye for goal.

[3] Amoruso grew up in the Sampdoria youth system, and made his Serie A debut on 12 December 1993, in a 2–0 away defeat to Inter.

He scored in the return leg of the 1997–98 UEFA Champions League semifinal against AS Monaco FC, but was an unused substitute in the final, as Juventus suffered yet another defeat, at the hands of Real Madrid on this occasion.

[4][5] Amoruso won the 2001–02 Serie A title with Juventus, only making 9 appearances in the league, but helping the club to reach the 2002 Coppa Italia Final, finishing the competition as the top-scorer, with 6 goals.

In 2007–08 season, Bianchi left the club and Amoruso became the team top-scorer, ahead Franco Brienza and midfielder Francesco Cozza.

Reggina almost relegated that season, as ineffective of striker Christian Stuani, Joelson, Stephen Makinwa and Fabio Ceravolo.