He was drafted in the 10th round by the Montreal Canadiens in 1985 while playing for the RPI Engineers men's ice hockey team.

After finishing university Maurizio played in the minors and briefly with the Canadian National Team before going to Italy.

He played sixteen seasons primarily in Italy (EV Bruneck, HC Varese, HC Milano Vipers) but also in Germany (Kaufbeurer Adler, SC Riessersee, Düsseldorfer EG) and England (London Knights) and won an Italian championship with Milano in the last year (2005–06) of his playing career.

[5] In January 2015, Mansi returned to SC Riessersee, serving as head coach for the remainder of the 2014-15 campaign.

[6] Since 2012, he worked for the Spanish ice hockey federation and served as an assistant coach for Spain in the Division II world championships four times.