Corazzin began his career with Winnipeg Fury of the Canadian Soccer League in 1992, scoring 10 goals in 24 games and helping the team win the CSL Championship.

In 1993, Corazzin signed with the Vancouver Whitecaps of the A-League (now known as the USL First Division, where he finished second in the team's scoring charts with 7 goals in 24 games.

On July 28, 2000, after a successful CONCACAF Gold Cup with Canada, Corazzin signed with Oldham Athletic and scored 22 goals in 129 games over three seasons.

His finest moment with Oldham came in a match against Wrexham when Corazzin scored 4 in a 5–1 victory in 2001, finishing it off with his trademark celebration "The Carlo Spin".

Corazzin scored the majority of his international goals between 1999–2000 and formed an effective striker partnership with Paul Peschisolido for Canada over the years.