He was drafted with the 40th overall by the Chicago Blackhawks in the 1994 NHL Entry Draft. Before he played with the Blackhawks, he played a seasons with the Indianapolis Ice of the International Hockey League (IHL). During his time with the Blackhawks, he recorded an overall total of 16 goals, 22 assists, 38 points, 146 penalty minutes. On October 01, 2001, the Blackhawks sent Leroux down to their AHL-affiliate Norfolk Admirals. Leroux left the NHL after the 2000–01 NHL season.