Still, the Broncos are 12-1, won the Mountain West title and live to be the underdog. They even designed a T-shirt around it. "I don't think any of our guys will be afraid of the challenge," Boise State offensive coordinator Dirk Koetter said.

In the quarterfinals of the College Football Playoff, the No. 5 Penn State Nittany Lions (12-2) will face the No. 8 Boise State Broncos (12-1) in the Fiesta Bowl, starting at 7:30 p.m. ET in

Penn State football needs more than the arm of Drew Allar to beat Boise State. Why this offensive weapon is the x-factor for Fiesta Bowl.