BYU has produced 11 sacks in five games. Notre Dame has allowed two in six.

That collision is the cleanest way to understand Saturday’s top-10 game. No. 8 BYU can survive stretches in which Notre Dame moves the ball. It probably cannot survive four quarters in which CJ Carr stands untouched, surveys the field and distributes to an offense averaging 44 points. The Cougars do not need a parade of sacks, but they need enough disruption to make the Irish quarterback play faster than he wants.

The season samples are still small, so the rates require context. BYU’s 11 sacks work out to 2.2 per game; Notre Dame’s two allowed are one every three games. The Cougars’ official game notes also list a defense yielding 254.4 yards and 13.4 points per game. Notre Dame averages 456.7 yards. Those numbers are not adjusted for opponent strength, and the Irish will be BYU’s best offensive opponent.

They still define the matchup: a productive defense must do something almost nobody has done to Notre Dame’s protection.

Carr has made clean pockets expensive. Through six games, he has completed 102 of 144 passes — 70.8% — for 1,378 yards, 16 touchdowns and one interception. KSL’s Friday preview also noted how Notre Dame’s line helps him operate without requiring spectacular improvisation. Carr’s efficiency is built on correct answers arriving on time. BYU’s task is to make the answer arrive half a beat late.

Pressure without overcommitting

That sounds like an invitation to blitz. It may be the opposite.

Vanquish the Foe’s matchup analysis cites Carr as one of the nation’s most effective passers against the blitz. That is an analytical warning rather than an official statistic, but the football logic is sound. Extra rushers reduce the number of defenders available to close throwing windows, and Carr has shown that he can identify the exposed space. A blitz that arrives late does not create pressure; it creates room.

BYU therefore needs Tausili Akana, Keanu Tanuvasa, Bodie Schoonover and the rest of the front to win selected snaps without constant help. Akana is the most obvious candidate. His 3.5 sacks lead the team, including 2.5 against Arizona, when he earned Big 12 Defensive Player of the Week. Notre Dame can devote protection toward him, however, so BYU’s interior rush has to compress Carr’s platform even when somebody else receives the statistical credit.

Pressure is broader than sacks. A pushed pocket can force Carr to reset his feet. A hurried checkdown can create third-and-6 instead of a first down. A defensive tackle occupying two blockers can free Cade Uluave to close a run lane. Against an offense this balanced, those modest wins matter because they preserve the coverage shell and keep Notre Dame from dictating every answer.

The useful checkpoints

Kalani Sitake explained the bind directly. “When you load the box and try to take away the run game, Carr does a great job of distributing the ball,” he told KSL. The Irish backs are dangerous, but selling out against them invites Carr to attack space. BYU has to make its front count numerically: stop enough runs with six or seven defenders, then affect the passer with four whenever possible.

There is also a game-management reason to resist desperation pressure. Notre Dame has won all six games by double digits. If BYU gives up an early explosive pass while sending extra rushers, the Cougars could be forced out of the patient offensive plan they need without LJ Martin. Keeping the score compact lets Bear Bachmeier use the run game, play-action and the crowd instead of chasing points against the nation’s most restrictive defense.

The useful checkpoints Saturday are more specific than the sack total. Watch whether Carr can step forward cleanly on third down, whether BYU creates pressure from the interior, and how often the Cougars need five or six rushers to affect him. Also watch first-down runs. If Notre Dame lives in second-and-4, BYU’s pass rush will barely have a chance to matter.

Eleven sacks against five opponents do not guarantee one against Notre Dame. Two sacks allowed do not make the Irish line invulnerable. But if BYU can turn a few clean pockets into crowded ones without tearing holes in its coverage, the Cougars can make the country’s No. 2 team play a game it has largely avoided: one decided after halftime.