Live updates: UCLA rallies to beat BYU, 24-23

This was Tanner Mangum’s time. One minute and nine seconds were left in the fourth quarter at the Rose Bowl on Saturday, and No. 10 UCLA led No. 19 Brigham Young by one. Mangum and BYU faced fourth and seven.

UCLA had seen Mangum in two situations like this one, when he won two games for BYU on last-minute touchdown heaves. They wouldn’t be a part of this highlight reel.

Mangum rolled out, chased by a UCLA pass rush that had harassed him all night. He launched a pass down field. Bruins linebacker Myles Jack was waiting. He intercepted the pass, effectively sealing 24-23 victory for the Bruins, who had trailed almost the entire game.

With less than six minutes left, after a BYU field goal put the Bruins behind, 23-17, UCLA kept the ball on the ground. Josh Rosen, who endured the worst game of his young career, with three first-half interceptions, threw just one pass on the drive.

Instead, UCLA used running back Nate Starks, who squeezed his way through a hole and weaved his way 31 yards down the field, then gained 22 yards on his next play and scored two plays later.

After 56 minutes and 39 seconds, UCLA had its first lead.

UCLA overcame Rosen’s early mistakes with an explosive running game. Paul Perkins rushed for 219 yards and a touchdown in 26 carries. Starks had 81 yards and a score. The team combined for 296 yards rushing against a BYU defense that had given up an aveage of 95 yards a game on the ground.

In the first half, Rosen had three passes intercepted, two in the end zone, and narrowly missed a fourth. He completed only five of 15 passes. It was, undoubtedly, the worst half in his first three games.

BYU, meanwhile began the game with a long touchdown drive, and then recovered a surprise onside kick. UCLA responded with pressure. The Bruins’ defense sacked Mangum four times in the game and harassed him in the Cougars’ backfield for much of the night.

Facing Rosen’s first real off night, UCLA mostly stayed away from him in the second half. On UCLA’s first drive of the third quarter, offensive coordinator Noel Mazzone called five straight Perkins rushes to tie the score at 17. Facing a fourth and one on the drive, with the field-goal unit on the sideline, Rosen waved them off the field. Perkins picked up the first down and scored on the next play.

BYU responded with a quick, 75-yard drive that featured running back Adam Hine leaping over Jaleel Wadood as if he were a hurdle.

The Cougars added a field goal at the beginning of the fourth quarter to go ahead by two scores, 20-10.

On the next drive, Perkins escaped to the edge for a 33-yard gain that set up Rosen’s finest moment of the evening. He dropped a 19-yard pass into the arms of Jordan Payton for a touchdown.

It wasn’t a great night for Rosen. He wasn’t even the best freshman quarterback on the field. But he was the one with the victory.

Here’s a possession-by-possession recap of the game:

BYU trails with minutes left in the game and Tanner Mangum set to lead a late drive.

Where have we seen this before?

UCLA 24, BYU 23 (3:21 left in the fourth quarter)

After 56 minutes and 39 seconds of game time, UCLA has its first lead.

Running back Nate Starks squeezed his way through a hole and weaved his way 31 yards down the field. He followed with a 22-yard gain to put UCLA on the seven-yard line. He scored two plays later. Rosen didn’t attempt a pass on the drive.

BYU 23, UCLA 17 (5:39 left in the fourth quarter)

BYU converted four third-down conversions on this drive, but on the fifth, the Cougars decided to hand it off on third and five. UCLA stuffed it, and BYU settled for a field goal.

Interesting decision to run there on third down. BYU had picked up all of its third-down conversions on that drive through the air, with the exception of the first, when Mangum dropped back to pass and then scrambled.

BYU 20, UCLA 17 (12:16 left in the fourth quarter)

We have a pretty nice game on our hands. UCLA responded with a score in 1 minute and 20 seconds.

Paul Perkins escaped to the outside for a 33-yard gain, and later in the drive went past the 200-yard mark for the game.

Josh Rosen dropped a 19-yard pass nicely into the hands of Jordan Payton for a touchdown.

BYU 20, UCLA 10 (13:41 left in the fourth quarter)

The Cougars added an important three points.

BYU’s 11-play drive ran out of steam at UCLA’s 27-yard line, but Trevor Samson drilled a 45-yard field goal to put BYU ahead by two scores.

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This was a better drive for Rosen, who completed his first three passes this drive, his first attempts of the half.

But the drive stalled near midfield after two incompletions and a Paul Perkins rush that went nowhere.

BYU takes over at the 11-yard line.

That’s the end of the third quarter. UCLA will trail heading into the fourth quarter for the first time this season. A sizable BYU crowd is getting loud.

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BYU 17, UCLA 10 (6:26 left in the third quarter)

BYU has a quick response. The Cougars go 75 yards in just more than three minutes. Mangum threw a 14-yard touchdown pass to Mitch Mathews to cap it off.

The highlight, though, was Adam Hine’s hurdle of Jaleel Wadood on a 28-yard run that set up BYU in UCLA territory.

BYU 10, UCLA 10 (9:27 left in the third quarter)

Josh Rosen didn’t seem to have lost any confidence after a brutal first half.

Facing fourth and one from the eight-yard line, he waved the field-goal team back to the sideline. Paul Perkins broke through for a first down, and he punched the ball in from five yards on the next play.

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UCLA was victimized by mistakes in the first half. Now it’s BYU’s turn.

The Cougars had a 37-yard gain nullified by a holding penalty. BYU punted after a sack, and Devin Fuller returned the punt 56 yards to BYU’s 17-yard line.

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Here’s the good news for UCLA: The offense has turned the ball over three times, BYU has recovered an onside kick, a UCLA player was ejected minutes into the game — and the Bruins only trail 10-3 at the half.

It could be worse, considering the play of freshman quarterback Josh Rosen, who has had the worst half of his young career. Three of his passes have been intercepted, two in the end zone, and he has completed only five of his 15 passes for 52 yards.

In the first quarter, inside the red zone, Rosen scrambled to extend a play, then threw a ball straight to a BYU defender. In the second quarter, he threw a ball behind Jordan Payton. It led to another interception.

On the next possession, BYU defensive back Kai Nacua dropped another ill-advised pass, what could have been a third interception.

But it didn’t take long for that to happen. On the following possession, after UCLA drove to BYU’s 24-yard line, Rosen again scrambled to extend a play. He floated a ball into the end zone, well short of his target. The interception effectively ended the half.

The mistakes short-circuited an offense that had no trouble moving the ball on the ground. Paul Perkins had a pair of 44-yard runs and rushed for 128 yards in 12 attempts. UCLA has gained 143 yards in the first half against a BYU defense that has allowed 95 yards a game in going 2-0.

BYU scored on a long touchdown drive to begin the game, the first touchdown given up by UCLA’s first-team defense all season, and then recovered an onside kick. But UCLA’s defense responded with pressure. The Bruins have three sacks and have harassed BYU freshman quarterback Tanner Mangum.

The Cougars’ only other score came after a Rosen interception, when BYU settled for a 40-yard field goal.

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An 11-play BYU drive stalled on UCLA’s 35-yard line after the Bruins made a defensive stand.

It was aided by another UCLA sack, and plenty of pressure applied on BYU’s fourth-down pass attempt.

BYU 10, UCLA 3 (9:18 left in the second quarter)

The UCLA defense held tight after the interception. BYU got a first down and nothing more. They settled for a 40-yard field goal to go ahead by a touchdown.

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One freshman quarterback is doing OK. It’s not Josh Rosen.

Rosen threw a pass behind Jordan Payton and it was picked off by the Cougars’ Harvey Langi. BYU takes over in UCLA territory.

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Three and out for BYU, and UCLA will take over with good field position, at its own 45-yard line.

BYU 7, UCLA 3 (13:38 left in the second quarter)

Feeding Perkins seems like a smart strategy. He’s already rushed for 112 yards and powered the Bruins’ first scoring drive.

UCLA went 57 yards in seven plays and kicked a 35-yard field goal to get on the board.

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Paul Perkins is off to a decent start.

He just went for another 44-yard run, and the Bruins have the ball in BYU’s territory as the first quarter expires.

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More nastiness from UCLA. The good kind, not the kind that leads to more ejections.

Kene Orjioke busted into the backfield to bat down a pass on first down. Then IsaakoSavaiinaea laid a big hit on Nate Carter after a short gain, and Myles Jack broke up the third-down pass. UCLA ball on the 26-yard line after the Bruins committed a personal foul on the punt.

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Three and out for UCLA after two straight incompletions stall the drive. BYU ball on its 20-yard line.

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UCLA is bringing plenty of pressure. After a sack by Isaako Savaiinaea, Takkarist McKinley put a big hit on BYU quarterback Tanner Mangum on third down to force a high, errant pass that fell incomplete.

BYU punts and the Bruins will take over on their own 33-yard line.

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There is Josh Rosen’s first significant intercepted pass of the season.

After a quick drive, which included a 44-yard scamper by Paul Perkins, UCLA had the ball on BYU’s 12-yard line. Rosen tried to extend a play by scrambling, then threw a ball right at Harvey Langi, who returned it to BYU’s 20-yard line.

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Here’s how to stop the momentum after an onside kick: UCLA used two sacks in a row, from Aaron Wallace, Takkarist McKinley, to force third and 32.

BYU managed to gain nine more yards, but they couldn’t sniff the yard marker, and the Cougars punted.

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BYU is going for it early.

On the ensuing kickoff, Jonny Linehan lobbed an onside kick down the right side, where it was seized upon by Michael Davis, right on the edge of the boundary.

The officials ruled BYU had recovered it in bounds, and the call stood on a review.

BYU 7, UCLA 0 (9:39 left in the first quarter)

That’s an impressive first drive for BYU.

The Cougars went 71 yards in 11 plays, capped by a seven-yard touchdown run by Adam Hine, who brushed off a Jaleel Wadood arm tackle.

BYU faced only one third down during the drive.

That was the first touchdown UCLA’s first-team defense has allowed this season.

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BYU has gained the reputation for some dirty plays, yet it’s UCLA with a player ejected in less than four minutes.

Kenny Young was whistled for targeting after diving late at a sliding Tanner Mangum. The review showed Young’s dive striking Mangum near his shoulder, and he was sent to the locker room early.

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The Bruins’ first drive stalled after Josh Rosen’s pass to Jordan Payton fell incomplete.

The pass looked on the mark, but Payton took a hit and couldn’t hold on. BYU will start on their own 29-yard line.

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We’re minutes away from the kickoff. BYU called heads and won the toss. Good call, BYU. Th Cougars have elected to kick to start the game.

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The last time these two teams played was not pretty for UCLA.

BYU won that game, in 2008, by a score of 59-0. It was the largest margin of victory from a non-power conference team against a power conference team.

The Bruins, however, own the all-time series 7-3.

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The game could hinge on how UCLA handles BYU’s heft. The Cougars’ offensive line averages 306.4 pounds.

And BYU has, recently, acquired a reputation for questionable play beyond the whistle. Last week, lineman Ului Lapuaho punched a Boise State player in a spot he’d prefer not to be hit.

UCLA running back Paul Perkins said it’s best to ignore those plays.

“Every team does that,” he said. “They always get caught. The extracurricular stuff is not really a big thing to me.”

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We’re about an hour away from game time at the Rose Bowl as No. 10 UCLA prepares to take on No. 19 Brigham Young.

The Bruins have breezed past their first two opponents, Virginia and UNLV. Might tonight be different?

BYU has been a magnet for close games early on this season, and they have their own freshman quarterback who has been generating buzz.

Senior quarterback Taysom Hill, who was on the Maxwell Award watch list, went down in the season opener against Nebraska. Tanner Mangum, a 22-year-old freshman, filled in — and won the game on a Hail Mary pass.

Last week, against Boise State, Mangum’s last-minute touchdown pass again was the difference.

Of course, UCLA matches Mangum with Josh Rosen, the freshman quarterback who has passed for 574 yards and four touchdowns with one interception in his first two college games.

BYU will be his toughest test yet. The Cougars are giving up less than 100 yards a game on the ground, so Rosen’s arm could again be key. Offensive coordinator Noel Mazzone hasn’t been gun shy with Rosen. The freshman has already attempted 77 passes.

In each of the first two games, Mazzone began with passes deep downfield. Mangum has a habit of ending games with one of those.

The Bruins will be happy to put the game away before then.