No. 20 Boise State (1-0) at BYU (1-0), 10:15 p.m. (ESPN2)

Line: Boise State by 2 1/2

Series Record: Boise State leads 4-1

WHAT'S AT STAKE

No. 20 Boise State isn't expected to have a ton of competition once it starts Mountain West Conference play. So, if the Broncos want to be in the College Football Playoffs conversation, they need to win this one since BYU might be the best team left on the schedule. BYU has a chance to break into the Top 25 after an upset over Nebraska last week thanks to a last-play touchdown pass by Tanner Mangum. The Cougars are in the midst of might be the toughest opening schedule in college football.

KEY MATCHUP

BYU will be led by freshman Mangum after senior Taysom Hill suffered a Linsfranc sprain in his foot that ended his season. Mangum has a strong arm, but isn't as involved in the run game as Hill. Boise State's defense didn't allow Washington to score a TD in the opener. Mangum will be tested by a defensive backfield that returned three starters, including two all-conference players.

PLAYERS TO WATCH

Boise State: QB Ryan Finley. Eyes will be on the sophomore quarterback that replaced Grant Hedrick, who threw for 3,696 yards and completed 70.8 percent of his passes last season. The Broncos have veterans throughout the lineup, but Finley is still a question.

BYU: WR Mitch Mathews. The 6-foot-6 senior will go down in BYU history after catching the Hail Mary that defeated Nebraska in the opener. He had three catches for 69 yards and two touchdowns against the Cornhuskers. Mathews is a mismatch with his tall frame, but can also run by defenders. He'll need to help his young quarterback.

FACTS & FIGURES

Hill is out for the season for the third time in four years. ... The Cougars are also without starting running back Jamaal Williams, who left the team for personal reason before the season. ... Boise State cornerback Donte Deayon had six interceptions in both 2013 and 2014.

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AP college football website: collegefootball.ap.org