2009-10: Justin Auger skated for the Waterloo Wolves minor midget AAA team in Ontario. He scored 20 goals with 11 assists in 30 games and had 16 penalty minutes. Auger was selected by Guelph in the sixth round (112th overall) of the 2010 OHL Priority Draft.
2010-11: Auger moved up to Canadian junior A hockey, playing for the Waterloo Siskins in the Greater Ontario Junior Hockey League. He scored 22 goals with 15 assists and had 57 penalty minutes in 42 regular season games and in four playoff games had 2 goals with 5 assists and 7 penalty minutes.
2011-12: Auger played 58 games for Guelph in his first OHL season. Seeing limited ice time at times, he scored 7 goals with 7 assists and was -9 with 39 penalty minutes. Guelph reached the playoffs after finishing fourth in the Midwest Division. Auger played in all six games in the first round series with Plymouth and was -1 with no points nor penalty minutes. He was ranked 107th amongst North American skaters in Central Scouting's final rankings prior to the 2012 NHL Draft but was not selected.
2012-13: Auger was one of five players to skate in all 68 games for Guelph and played a key two-way role for the Storm in his second season. He scored 16 goals with 17 assists and was +5 with 39 penalty minutes. Guelph was once again fourth in the Midwest Division despite finishing with 16 more points than in 2011-12. Auger had no points nor penalty minutes and was -1 in the five-game playoff series with Kitchener. In his second year of draft eligibility, Auger was not among the 210 North American skaters listed in Central Scouting's final rankings. He was selected by Los Angeles in the fourth round (103rd overall) of the 2013 NHL Draft.
Auger is most notable for his tremendous size at 6'7. He puts the body to good use and has strong puck possession skills. He has a limited offensive upside and an average skating ability, but you cannot teach size and he has a decent and developing defensive-zone game.
Auger is a boom or bust pick. At a massive 6'7, the physical capability is there for him to be a handful at any level but he has to round out the skills to go along with it. He was passed over once in the 2012 NHL Draft and slid in at the fourth round in 2013 which shows he has been improving. He will return to Guelph for his final season of junior hockey in 2013-14.