Andre Harris scored three touchdowns in Northern Colorado's 54-0 win over Adams State.
Scoring wasn't an issue for Big Sky teams that played lower-division foes on Saturday, the first full day of the college football season.
Montana, Montana State and Northern Colorado all scored at least 50 points in victories over Division II teams. Idaho State scored 32 points against an NAIA opponent.
Montana tied an NCAA record with four interception returns for touchdowns in a 73-2 win over Western State. In the first game for new coach Robin Pflugrad, the Grizzlied scored 28 first-quarter points, including three touchdowns that came via interception returns.
Freshman quarterback Denarius McGhee threw a pair of touchdown passes in Montana State's 59-10 win over Fort Lewis. McGhee became the first freshman in 23 years to start a season opener for the Bobcats.
Running back Andre Harris scored three touchdowns and wide receiver Jace Davis hauled in two as Northern Colorado took care of Adams State, 54-0.
Idaho State opened its season with a 32-3 win over UM-Western. Quarterback Kyle Morris threw for three touchdowns, while running back Corey White rushed for 123 yards.
Weber State, Portland State and Sacramento State all fell on the road to Football Bowl Subdivision Teams.
Weber State lost 38-20 at Boston College. Senior QB Cameron Higgins threw for 234 yards and a touchdown.
Sacramento State lost 52-17 at Stanford. The highlight for the Hornets was a 70-yard punt return for a touchdown by Kyle Monson.
The head coaching debut of Portland State's Nigel Burton resulted in a 54-9loss to Arizona State. Portland State kicker Zach Brown booted three long field goals, including a 53-yarder.
Conference stats