2009-10: Eric Comrie, a dual citizen who grew up in Edmonton and California, played in the Los Angeles Selects program. He was selected by the Tri-City Americans in the first round (13th overall) of the 2010 WHL Bantam Draft.
2010-11: Comrie shared the goaltending duties for the Los Angeles Selects U16 team with David Jacobson and was outstanding at the USA Hockey U16 Nationals. In 19 regular season games he had a 1.34 goals against and .940 save percentage. The Selects reached the semifinals in the national tournament and Comrie was 3-1 in pool play with a 1.41 goals against and .929 save percentage.He stopped 43 of 44 shots in a 1-0 loss to Shattuck-St. Mary's in the semifinal game. Comrie played for Team Alberta in the Canada Winter Games and in five games had a 2.40 goals against and .927 save percentage.
2011-12: Comrie appeared in 31 games for the Tri-City Americans, splitting time with 19-year-old Ty Rimmer in his first WHL season, and represented Canada Pacific in the 2012 U17 World Hockey Challenge. Comrie was 19-6-2 with 3 shutouts and had a 2.67 goals against and .900 save percentage. The Americans finished first in the U.S. Division and reached the West Conference finals but Comrie did not see any playoff action. Sharing the goaltending for Canada Pacific with the Edmonton Oil Kings' Tristan Jarry, Comrie was 2-1 in three games and had a 3.03 goals against and .889 save percentage.
2012-13: Comrie opened the season winning a gold medal with Canada at the 2011 U18 Ivan Hlinka Tournament and was having another strong season for Tri-City before suffering a hip injury. The nagging injury kept him out of the NHL/CHL Top Prospects Game and eventually required season-ending surgery in February. Comrie played in 37 games for the Americans, posting a 2.62 goals against and .915 save percentage, and was 20-14-3 with 2 shutouts. Comrie recorded 21 saves for Canada in a 3-2 win over Slovakia at the Ivan Hlinka Tournament. He was the second ranked North American goalie in Central Scouting's final rankings prior to the 2013 NHL Draft.