A four-year standout on defense at St. Lawrence from 1997-2001, Desrosiers helped the Saints reach the Frozen Four as a junior and gained ECAC and All-America honors as a senior. Desrosiers played five years of professional hockey after graduating from St. Lawrence in 2001. He played two seasons in the Central Hockey League (CHL) and helped lead the Colorado Eagles to the 2005 President’s Cup Championship.