FORT COLLINS, Colo. -- Grant Hedrick scorched the Colorado State secondary for five passing touchdowns and 305 yards leading Boise State to a 42-30 victory on Saturday night.

Making his second start after taking over for injured Joe Southwick, Hedrick, a redshirt junior, completed 19 of 27 passes and contributed a 2-yard rushing touchdown for Boise State (6-3, 4-1 Mountain West). Jay Ajayi had 91 yards on 13 carries.

The Broncos trailed 10-0 early in the game, but scored the final 14 points of the first half and took a 28-17 lead into intermission.

Kapri Bibbs ran for 69 yards and three touchdowns for Colorado State (4-5, 2-2). Bibbs scored the final two touchdowns of the game to cut the deficit to 12 with 4:51 remaining. Garrett Grayson was 36-of-53 passing for 397 yards and a touchdown.