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Quarterbacks Gunner Cruz, left, and Will Plummer, right, will both play in the Wildcatsโ€™ Sept. 4 opener against BYU.

Here are three things to watch in the Arizona Wildcatsโ€™ 2021 opener against BYU at Allegiant Stadium in Las Vegas, (Saturday, 7:30 p.m., ESPN), plus a score prediction and some pertinent preview links:

1. THE QUARTERBACK(S)

When Jedd Fisch announced his plan to play two quarterbacks in the opener, UA fans greeted the move with a collective โ€œugh.โ€ The decision hinted at indecisiveness and could be construed as perhaps one of Fischโ€™s first missteps. Hereโ€™s another way of looking it at: It wasnโ€™t, as some have suggested, the easy way out. Fisch is taking a pretty big risk by platooning Gunner Cruz and Will Plummer, because quarterback platoons generally are fraught with issues. Offensive success often derives from developing a rhythm, and itโ€™s hard to do that when youโ€™re in for two series, out for the third. Thereโ€™s no guarantee itโ€™ll play out that way, or that Plummer will enter the game at all if Cruz gets off to a hot start. However it goes, itโ€™ll be fascinating to watch. The two quarterbacks arenโ€™t different enough to warrant different playbooks, but the way each approaches the game isnโ€™t exactly the same. How will they perform under the lights when they can get hit and mistakes have real consequences? Weโ€™ll see.

2. THE TRENCHES

Although Fisch is an offensive coach, he has preached toughness since the day he was hired. BYU is the ideal opponent to illustrate whether the Wildcats truly have made strides in that area. The Cougars always have older players on their roster because so many go on missions while in college. Their 22- and 23-year-olds often are more physically developed than their 19- and 20-year-old counterparts. It was obvious the last time Arizona and BYU met, in 2018. After the Wildcats scored to make it 28-23 with 3:20 remaining, they couldnโ€™t get the Cougars off the field. BYU played bully ball, literally running out the clock. The current Cats know they canโ€™t let something like that happen again. โ€œIf we don't come out physical, then it's going to be a problem for us,โ€ defensive end Jalen Harris said. โ€œThey're going to try to run the ball on us, and we have to be ready. Otherwise, we're not going to be successful in this game defensively.โ€ The same goes for the other side of the ball. No matchup is more pivotal than Arizonaโ€™s offensive line vs. BYUโ€™s defensive front.

3. THE ATMOSPHERE

Remember what it was like when the Wildcats played in an almost empty Arizona Stadium last year? It didnโ€™t feel right. The pageantry and passion Fisch often references โ€“ the game-day atmosphere and rituals that make college football special โ€“ were absent. The players did their best, but it wasnโ€™t the same. Theyโ€™re about to feel a jolt of electricity Saturday night. A crowd approaching 60,000 is expected to attend the game. Will the majority be BYU fans? Surely. But who cares? A hostile crowd is better than none at all. How the noise impacts each offense will be interesting to monitor. BYU quarterback Jaren Hall has a little more experience than Cruz and Plummer, but Hall hasnโ€™t played in a game since 2019. Communication issues or false starts up front could derail drives. Each unit will have to fight through it. Doesnโ€™t that sound delightful?

FINAL SCORE: BYU 27, Arizona 20

PREVIEW LINKS:

Game advance: Start of Fisch era is finally here, but donโ€™t attach too much meaning to Week 1

Greg Hansen: 'Mr. Football' on what separates Cats and Cougars, BYU's Arizona blood โ€” and Saturday's winner

Storylines: On Fischโ€™s first head-coaching job, QB uncertainty and links to '16

Field pass: Everything you need to know about Saturday's UA-BYU game

Cats Stats: Whatโ€™s behind Arizonaโ€™s losing streak? How might it end? Look to these numbers


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Contact sports reporter Michael Lev at 573-4148 or mlev@tucson.com. On Twitter @michaeljlev