 After winning the Turner Cup in the IHL, Cassidy signed with Alleghe HC in Italy and played two years with the club 1990–1992 and 1992–1993 in the Italian Ice Hockey League, appearing in 51 games and earning 117 points (35 goals and 82 assists).After his stint in Italy, Cassidy then spent the 1993–94 season with Kaufbeuren of the German Hockey League, earning 17 points (8 goals and 9 assists) in 35 games.Cassidy then returned to the Blackhawks organization with the Indianapolis Ice from 1994 to 1997 before retiring as a player ten games into the 1996–97 season to take a head coaching job with the Jacksonville Lizard Kings of the ECHL mid-season.