Wide receiver Markus Wheaton and the Beavers have sprinted past the opposition through four games. (AP)

Oregon State (4-0, 3-0 Pac-12) at BYU (4-2)

Kickoff: Saturday, 3:30 p.m. ET (ABC)

Spread: BYU by 5.5

Watchability: High, but dealt a blow because Oregon State was dealt a blow. Quarterback Sean Mannion is out for 2-4 weeks with a knee injury and in comes Cody Vaz.

Shining Stars: Oregon State: Sophomore WR Brandin Cooks had a nice little freshman season, with three touchdowns boding well for the future. The future is now. Cooks has been a force all year, averaging 121.5 yards per game, with at least 80 yards in each game. Can he thrive without Mannion though? BYU: Almost doubling his production from his last season, junior LB Kyle Van Noy has become a solid pillar of the Cougar defense. The Oregon State running game has been hit or miss, and Van Noy could keep it missing.

Who could steal the show: Oregon State: Scott Crichton has come on of late for the Beavers, tallying six sacks in his last three games. In what should be a tight game, one big defensive play could sway things, and he might be the catalyst. BYU: Freshman RB Jamaal Williams has combined for more than 270 yards of total offense the past two weeks. Despite an impressive Oregon State defense, he'll keep it up.

You going? Ranking the road trip: Not bad, but its lost some of its luster. An Oregon State team at full-strength would ensure a great contest. Now, who knows?

Magic number for Oregon State: 339.5. The Beavers average nearly 340 passing yards per game. They'll need Vaz to approach that total against a stout BYU defense that leads the country in rushing defense.

Magic number for BYU: 59.5. That nation-leading rush defense allows fewer than 60 yards per game and would be getting more pub if not for losses to Utah and Boise State by a combined four points.

The game comes down to: Vaz. That's it. If he's as good as Mannion has been for the Beavers, BYU could have its hands full.

Eye on College Football's take: The Beavers head to Provo without Mannion, who has been one of the most improved players in the conference. Vaz takes his place and he'll need to put in a heroic effort for the Beavers to avoid the upset. Luckily for him, he has one of the best receiving duos in the country in Markus Wheaton and Cooks. -- Chris Huston

Prediction: BYU 24, Oregon State 17

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