He played eight seasons in the National Hockey League (NHL) for the Toronto Maple Leafs, Los Angeles Kings, Colorado Avalanche, New York Rangers and Ottawa Senators.
On March 1, 2001, he was traded from the Rangers to the Senators for Colin Forbes before ending his professional career at 472 NHL games after the conclusion of the 2000–01 season.
After three years with the Sundogs, helping claim the Ray Miron President's Cup as champions of the CHL, Lacroix joined the Phoenix Coyotes organization for the 2008–09 season as a professional scout.
[1] On June 3, 2009, Lacroix re-joined his father in Colorado, when he was named Vice President of Hockey Operations for the Avalanche.
[2] It was announced on September 18, 2017, that Lacroix had signed on to be a studio analyst for the Vegas Golden Knights on AT&T SportsNet Rocky Mountain.