BYU handed Notre Dame the ball at the Cougars’ 41-yard line and then at the 24. The nation’s No. 2 team turned those two short fields into six points.

That is the statistic inside BYU’s 28-24 upset that should travel beyond the celebration. The Cougars did not beat Notre Dame because they played a spotless game. They beat the Irish because their defense refused to let special-teams mistakes become touchdowns, then defended the final seven yards with the game on the line.

The first short field followed Cannon DeVries’ muffed punt in the third quarter. Notre Dame recovered at the BYU 41, reached the 19 and settled for a 31-yard field goal. The second came after a failed fake punt gave the Irish possession at the BYU 24. Three plays gained two yards, and Notre Dame kicked again. The sequence is detailed in Notre Dame’s official recap.

That is six points on two possessions that began with an average of 32.5 yards between Notre Dame and the end zone. Seven would have tied the game after BYU’s late touchdown. Fourteen likely would have broken it open. Instead, the Cougars made two abrupt, high-pressure changes of possession feel like ordinary field-goal drives.

Two gifts, six points

The broader defensive numbers support the same point. Notre Dame entered the game averaging 44 points and left with 24. CJ Carr completed 27 of 49 passes, just 55.1%, for 261 yards and no passing touchdowns.

The Irish converted 8 of 19 third downs and all four fourth downs, but BYU kept forcing them to spend another snap, make another decision and finish another drive. The Deseret News’ postgame breakdown also noted that Notre Dame averaged only 2.4 yards per rush after halftime.

This was not dominance in the usual box-score sense. Notre Dame ran 79 plays to BYU’s 67 and gained 376 yards to the Cougars’ 360, according to the official BYU box score. The Irish reached the BYU 5 just before halftime, scored the go-ahead touchdown with 9:31 left and reached the 7 on the game’s final snap. They were close enough, often enough, to win.

BYU’s defense kept changing what “close” meant.

Carr’s fumbled spike at the 5 before halftime erased at least a field-goal opportunity and preserved a 21-10 BYU lead. The fourth-quarter stop after Bear Bachmeier’s interception forced a three-and-out, giving the offense another chance. Then, after Walker Lyons caught the go-ahead touchdown with 1:47 remaining, Notre Dame drove 68 yards in 15 plays but came away empty when the final pass fell incomplete in the end zone.

The Cougars did not record the kind of constant backfield havoc that makes a defensive highlight reel easy to assemble. They did something harder to fake: they tackled well enough, covered long enough and recovered emotionally after BYU created trouble for itself. Isaiah Glasker’s return mattered in that regard. Vanquish the Foe credited him with six tackles and three pass breakups after he missed the Iowa State game.

What the defense can carry forward

There is a lesson here for the seven-game stretch that remains. BYU cannot treat resilience as permission to repeat the errors. A muffed punt, an unsuccessful fake and an interception in a one-score game normally create a loss. Against UCF next Saturday, the responsible conclusion is not that the Cougars can survive anything. It is that their defensive floor is strong enough to rescue them while the rest gets corrected.

Bear Bachmeier deserves the marquee for accounting for all four BYU touchdowns — two rushing, one passing and one receiving — and for answering the interception with a 10-play, 55-yard winning drive. KSL’s recap correctly framed the victory as BYU’s first over an AP top-two opponent since the 1990 Miami game. But Bachmeier only received that final chance because the defense forced a three-and-out after his mistake.

Before kickoff, Kalani Sitake said, “I want both sides to feel it when the game’s done,” in a KSL interview. Notre Dame felt every yard Saturday. The Irish converted enough difficult downs to keep moving, yet BYU made the last few yards of each dangerous possession increasingly expensive.

What travels to Orlando is not the field storm or the new ranking that will follow. It is the evidence that BYU can defend sudden change against an elite offense. The Cougars gave Notre Dame two short fields and surrendered six points. In a four-point game, that was not a side note. It was the upset.