FC Schaan Polverino played for the youth teams of
FC Schaan until he was 18, when he moved to
FC Vaduz FC Vaduz He joined FC Vaduz in the summer of 2002, making 11 league appearances in his first season in the
Swiss Challenge League (then known as the Nationalliga B). He remained with Vaduz until the end of the 2004–05 season, making 60 league appearances and scoring 8 goals.
Olbia Calcio For the 2005–06 season, Polverino played for
Olbia Calcio of
Serie C2, making 26 league appearances and scoring 1 goal as the club narrowly avoided relegation by winning the relegation playoff.
Second spell with FC Vaduz Polverino rejoined Vaduz at the end of the 2005–06 season. He was part of the FC Vaduz squad that won promotion to the
Swiss Super League for the first time in the club's history in the 2007–08 season. He left at the end of the 2008–09 season, after the club was relegated back to the Swiss Challenge League.
FC Aarau At the start of the 2009–10 season, Polverino joined
FC Aarau of the Swiss Super League. At the end of the season the club was relegated down to the second tier, with Polverino leaving at the end of the 2010–11 season. He played 51 league matches for Aarau
Steel Azin Polverino spent one season at
Steel Azin of the Iranian
Azadegan League (2nd tier of Iranian football). He was part of the squad that initially finished 3rd in the league, but the team was docked 12 points by FIFA and relegated to the 3rd tier.
Wolfsberger AC Polverino joined
Wolfsberger AC of the
Austrian Bundesliga in 2012, making 53 league appearances and 6 appearances in the
ÖFB-Cup in his 2 seasons with the club.
Third spell with FC Vaduz For the 2014–15 season, Polverino returned again to FC Vaduz, however he made just 4 league appearances for the club and left at the end of the season
FC Rapperswil-Jona Polverino joined Rapperswil-Jona for two months in 2016, making 3 league appearances
FC Balzers Polverino joined
FC Balzers, a Liechtenstein club playing in the
Swiss 1st League (4th tier), in 2016.
Retirement Polverino announce officially retirement from football after 2021–22 season. == International career ==