Shay Smithwick-Hann threw three touchdown passes Saturday to lead Montana to a 70-24 win over Idaho State.
Smithwick-Hann was 14 of 21 for 205 yards, with two interceptions. Joey Counts and Brett Kirschner each scored twice as seven different Montana players found the end zone.
Montana (4-5, 2-4 Big Sky) scored on its first two possessions of the game with a 9-yard Jordan Canada run and a 17-yard pass from Smithwick-Hann to Sam Gratton. The Grizzlies continued to roll through the first half, scoring four more touchdowns, including a 50-yard run by Peter Nguyen and an 80-yard fumble return by Jordan Tripp, to take a 42-10 halftime lead.
The Grizzlies added three more third-quarter touchdowns before turning to reserve players for the final quarter.
Kevin Yost was 36 of 56 for 323 yards and three scores for the Bengals (1-7, 0-5), and Rodrick Rumble led all receivers with 102 yards.