BOISE, Idaho – Ashton Jeanty ran for 209 yards and a touchdown and No. 10 Boise State secured a spot in the College Football Playoff by defeating No. 19 UNLV 21-7 on Friday night to earn its second Mountain West berth. secured titles in a row.

Boise State (12-1, No. 10 CFP) is all but assured of a bye in the first round of the playoffs if it maintains its ranking above the Big 12 winner and finishes as one of the four top-seeded conference champions.

Jeanty, who had the spotlight all alone to make his Heisman case, didn’t disappoint, making an electrifying 75-yard touchdown run. It was his fifth TD run of 70 yards or more this season, tying LaDainian Tomlinson’s FBS single-season record.

Jeanty also surpassed 1981 Heisman winner Marcus Allen of Southern California to move into fourth place on the FBS season rushing list. He still needs 132 to overtake record holder Barry Sanders of Oklahoma State.

Jeanty also surpassed 1981 Heisman winner Marcus Allen of Southern California to move into fourth place on the FBS season rushing list. He still needs 132 to overtake record holder Barry Sanders of Oklahoma State.

Maddux Madsen threw a touchdown pass and rushed for another score for the Broncos.

UNLV (10-3, No. 20 CFP), which entered the game ranked seventh nationally with an attack average of 38.7 points, has not ranked lower than 23 this season.

With UNLV filling the box with eight or nine defenders early in the game, Boise State leaned heavily on Madsen in the first quarter. And he delivered, completing six of his first seven passes, including a 22-yard score to Latrell Caples for a 7-0 lead.

Madsen used his legs to give the Broncos a 14-0 lead, battling for a 14-yard TD run with 2:40 left in the first half.

After a short stop, Boise State got the ball back and let Jeanty work his magic. Two plays later, he raced through the teeth of the defense and sprinted into the end zone for a 75-yard TD run, giving the Broncos a 21-0 lead with 29 seconds left in the half.

UNLV had a chance to get back into the game late in the third quarter when Kylin James rushed 86 yards before Seyi Oladipo ran him down at the Boise State 5. But the Rebels lost 4 yards on the next four plays and didn’t score.

The Rebels finally got into the end zone with 9:06 left on a 31-yard run by Greg Burrell.

Hajj-Malik Williams led UNLV offensively with 110 passing yards and 56 rushing yards.

Information from The Associated Press was used in this report.