Boise State wide receiver John Hightower (16) rolls in for a touchdown after pulling in a pass in front of Air Force linebacker Grant Donaldson in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State running back Alexander Mattison heads to the bench after scoring a touchdown against Air Force in the second half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State quarterback Brett Rypien warms up before an NCAA college football game against Air Force, Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State head coach Bryan Harsin throws passes to receivers along with quarterback Brett Rypien, back, before the first half of an NCAA college football game against Air Force Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State wide receiver Sean Modster warms up before an NCAA college football game against Air Force, Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State quarterback Brett Rypien, right, congratulates wide receiver John Hightower after Hightower's pass catch for a touchdown against Air Force in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State wide receiver John Hightower pulls in a pass for a touchdown against Air Force in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Air Force head coach Troy Calhoun looks on in the first half of an NCAA college football game against Boise State, Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Air Force linebacker Blake Dailey, left, knocks Boise State running back Robert Mahone out of play after Mahone pulled in a pass in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State cornerback Tyler Horton, right, tackles Air Force fullback Cole Fagan after a short gain in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State wide receiver A.J. Richardson, right, runs into a photographer after scoring a touchdown against Air Force in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State offensive lineman Ezra Cleveland carries out a United States flag as the team takes the field to face Air Force in an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Air Force defensive back Ross Connors, left, pulls down Boise State wide receiver Sean Modster in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Boise State wide receiver John Hightower, left, is tackled by Air Force defensive back Ross Connors after pulling in a pass in the second half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Air Force defensive tackle Jordan Jackson, left, comes in to tackle Boise State running back Alexander Mattison after a short gain in the second half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. Boise State won 48-38. (AP Photo/David Zalubowski)

Air Force quarterback Isaiah Sanders runs for a short gain as Boise State defensive end Kayode Rufai pursues in the second half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. Boise State won 48-38. (AP Photo/David Zalubowski)

Air Force quarterback Isaiah Sanders (4) is tackled after a short gain by Boise State safety Tyreque Jones, left, and linebacker Tyson Maeva in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)

Air Force defensive back Milton Bugg III, left, drags down Boise State wide receiver John Hightower after he pulled in a pass in the first half of an NCAA college football game Saturday, Oct. 27, 2018, at Air Force Academy, Colo. (AP Photo/David Zalubowski)