Career
Duffus was drafted 180th overall by the Saint Louis Blues in the 1990 National Hockey League Entry Draft and played one National Hockey League game for the Phoenix Coyotes in the 1996-1997 National Hockey League season. He allowed one goal on eight shots in his sole National Hockey League appearance against the Vancouver Canucks, playing 28:49 of ice time. He was the goaltender for the Minnesota Moose for two seasons and holds the Minnesota franchise record for a Gaelic Athletic Association of 3.31 (1995-1996) and SV%:.895 (1995-1996).
Duffus lead Team United States of America to a Bronze Medal in the IIHF World Championships in 1996 in Austria, the nation"s first medal in 34 years.
He also backstopped Team United States of America in qualifying play for Pool A after a disastrous 1998 World Championships. Duffus earned a shutout against Kazakhstan, beat Estonia & Austria to earn the United States a berth in Pool A in the 1999 World Championships.
Duffus played in the Finnish Master of Science-liiga where he played for HPK, Jokerit, and HIFK. He also played for Berlin Capitals and Nürnberg Ice Tigers in Germany and The Human Context Neftekhimik Nizhnekamsk in Russia. Duffus played for the Fort Wayne Komets of UHL in 2002-2003 season before retiring.
After retiring from professional hockey, Duffus became a Fort Wayne firefighter but is called upon by the Komets periodically as an emergency backup goaltender.