That year, Northridge finished runner up to Florida Tech in the NCAA Division II championship game.
In 1991, Lilavois signed with the San Francisco Bay Blackhawks in the American Professional Soccer League winning the 1991 title with the team.
In 1994, Lilavois signed with the San Jose Grizzlies of the Continental Indoor Soccer League.
In the fall of 1995, Lilavois signed with the Cincinnati Silverbacks in the National Professional Soccer League which played a winter indoor season.
Lilavois then moved to the Cleveland Force for the 2002–2003 Major Indoor Soccer League season.
When he became the official coach at the end of the season, he was forced to retire from playing, but was re-instated by the league commissioner when the Cougars were hit with several injuries.
In addition to the Cougars, Lilavois also coaches the United States National Arena Soccer Team.
In 2013, he helped found a new PASL franchise, the Ontario Fury, as the Anaheim team was put up for sale and allowed to go dormant.