Colucci started his career at his hometown club Cerignola, where he played in the regional Italian league divisions (Serie D and Interregionale). In the 1993–94 season, he signed for Siracusa of Serie C1. His performances for the club led to him being signed by Serie A side Lazio halfway through the 1994–95 season; he scored the winning and only goal in the last match of the season, against Brescia.