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Jeffrey D. Allred, Deseret News
Hawaii Warriors warm up in Provo Friday, Sept. 28, 2012.
We go into every game with the mindset of posting a shut out. —BYU cornerback Preston Hadley

PROVO — For the second consecutive week, BYU's defense shut out an opposing offense.

Unlike last week at Boise State, though, the Cougars earned a victory — cruising to an easy 47-0 win over Hawaii Friday night at LaVell Edwards Stadium.

"We go into every game with the mindset of posting a shut out," said cornerback Preston Hadley.

It marked BYU's first shutout since 2009 when it whipped Wyoming, 52-0. For Hawaii, it was the first time it had been shut out since 1998.

Take away two touchdowns that BYU's offense gave up on turnovers against Utah and Boise State, and the Cougar defense has yielded just 36 points in five games this season.

BYU has held its last 11 opponents to less than 300 yards of total offense, a streak that dates back to last season.

This is the second time BYU has shut out a Norm Chow-led offense in Provo. The Cougars blanked UCLA, 59-0, in 2008, when Chow was the Bruins' offensive coordinator.

BYU also forced three Hawaii turnovers.

QB ACTION: While BYU true freshman Taysom Hill started his first collegiate game Friday in place of Riley Nelson, junior Jason Munns took his first snap in a collegiate game when he replaced James Lark in the final minutes of the fourth quarter.

Lark completed 2-of-2 passes for 32 yards. Munns did not attempt a pass.

INJURY UPDATE: Running back Michael Alisa suffered a fractured right arm in the first quarter against Hawaii.

Backup tight end Austin Holt, who suffered a season-ending knee surgery last season, won't play the rest of this year as he continues to recover. Mendenhall said Holt will redshirt this season.

Senior free safety Mike Hague did not play Friday. He is out 2-4 weeks with a torn muscle in his calf. Defensive back Skye PoVey will be sidelined for at least a month with a foot injury (plantar fascia).

On two different plays just minutes apart, two Hawaii defensive linemen, Geordon Hanohano and Siasau Matagiese, were down on the field for long stretches in the first quarter with possible neck injuries. They were taken to the hospital and X-rays were negative on both players.

O-LINE SHAKE-UP: In an attempt to get better production out of the offensive line, Braden Hansen switched from left guard to center Friday, replacing Blair Tushaus. Meanwhile, Famika Anae started at left guard and Manaaki Vaitai started at right guard.

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EXTRA POINTS: Announced attendance Friday was 62,022. … BYU offensive coordinator Brandon Doman called plays on the field instead of in the press box. He was on the field for the first three games last season. … The coaching staffs for BYU and Hawaii wore special arm patches to raise awareness of Duchenne muscular dystrophy. … Former BYU running back Hema Heimuli (1991-95) carried out the alumni flag before the game. … Riley Stephenson boomed a 61-yard punt in the second quarter, his longest of the season. Stephenson had one PAT blocked and he missed another.