2008-09: Justin Fontaine skated in 43 games for Minnesota-Duluth as a sophomore and led the Bulldogs in assists (33). He scored 15 goals and his 48 points were second-most on the team; finishing +2 with 18 PMs. UM-D captured the WCHA Broadmoor Trophy (playoff champions) after finishing seventh in the regular season and reached the NCAA West Regional Final. Fontaine was selected to the WCHA Second All-Star team.
2009-10: Fontaine scored a team-leading 21 goals with 25 assists in his junior season at Minnesota-Duluth. In 39 games, he was +1 with 22 PMs. The Bulldogs finished tied for fourth with North Dakota in the regular season and were eliminated by the Fighting Sioux in the WCHA tournament. Fontaine was again named to the WCHA Second All-Star team.
2010-11: Fontaine signed a two-year, entry-level contract with the Minnesota Wild in April 2011 following his senior season at Minnesota-Duluth. Fontaine was the Bulldogs' second leading-scorer and was selected to the WCHA's Second All-Star team for the third year in a row. He scored 22 goals with 36 assists and was +25 with 42 PMs in 42 games. The Bulldogs reached the Frozen Four and won the NCAA national championship after finishing fourth in the WCHA during the regular season.
2011-12: Fontaine was the second-leading scorer for Minnesota AHL affiliate Houston behind veteran Jon DiSalvatore in his first pro season. He score 16 goals with a team-high 39 assists and was minus-three with 32 penalty minutes in 73 games for the Aeros. Houston finished fourth in the West Division; falling to Oklahoma City in four games in a best-of-five first round playoff series. Fontaine was minus-three with no points or penalty minutes in the series with the Barons.
2012-13: Fontaine was the leading scorer for Minnesota AHL affiliate Houston in his second pro season. In 64 games he scored 23 goals with 33 assists and was +10 with 18 penalty minutes. The Aeros were fourth in the South Division and lost to Grand Rapids in the first round of the playoffs. Fontaine scored 3 goals with 5 assists and was -1 with 4 penalty minutes in five playoff games. He was re-signed to a one-year contract by the Wild as an unrestricted free agent in July, 2013.
Fontaine is a very skilled winger with good offensive instincts. He is a little undersized for the NHL level.
While it is hard to imagine Fontaine cracking the Wild's top-six, he has proven to be a top player at the AHL level, leading the Aeros in scoring for two seasons.