Boise State checks in at No. 20 and No. 21 in college football's two major polls.
Boise State was never seriously threatened in celebrating its return to the rankings by thrashing Colorado State for the sixth straight time.
C of I (2-4, 2-3 Frontier) racked up 267 yards of rushing offense in their highest-scoring output since a 67-0 win over Whitman in 1961.
The Bengals beat No. 23 North Dakota, 37-31.
After a hiccup against BYU on Sept. 12, the Broncos are going to have to run the table to have any sort of chance to get a non-Power Five conference bid to a New Year's bowl.
The freshman took his first snaps against Idaho State and has started ever since.
Brett Rypien threw for 271 yards and three touchdowns to lead the Broncos to a 55-0 victory over Hawaii in the Mountain West Conference opener for both teams Saturday night.
Brett Rypien's first start for Boise State immediately brought comparisons to a former Broncos quarterback who made an impression as a freshman.
Tom Mason and Don Bailey both coached at BSU from 1993-96.
The Broncos began their Mountain West schedule against Hawaii.
The freshman was one of the most sought-after prep runners.
The redshirt sophomore broke a bone in his ankle, according to head coach Bryan Harsin.
SOU (2-1, 2-1 Frontier) scored 20-straight second quarter points to erase a 14-7 C of I lead, getting two long second half touchdowns to put the game away.
The Broncos (2-1), coming off a gut-wrenching loss to BYU a week ago, suffered another tough loss when starting quarterback Ryan Finley left in the first quarter with a right ankle injury and never returned.
More than half of the College of Idaho football team is from the Treasure Valley.