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Preseason position reviews: cornerback

Cornerback, at least from a preseason perspective, is not a strong position across the conference in 2013.

Three of the four corners on the 2012 All-Pac-12 first- and second-teams -- Oregon State's Jordan Poyer, Washington's Desmond Trufant and USC's Nickell Robey -- are now in the NFL. Only Arizona, Colorado, Oregon and Washington State welcome back both starting corners, and of those, only the Ducks ranked in the top eight in the conference in pass efficiency defense last year.

So how do things stack up?

GREAT SHAPE

Oregon: The Ducks have the nation's best corner tandem in All-American Ifo Ekpre-Olomu and Terrance Mitchell. In fact, their backups, Dior Mathis and Troy Hill, probably would rate as one of the better tandems in the conference if they were starting. The Ducks welcome back the entire two-deep from their 2012 secondary, as well as safety Avery Patterson, an All-Conference talent who was hurt last year. This is probably the best secondary in the nation.

Stanford: While the Cardinal's star power is at safety, they are also strong at corner with Alex Carter, Wayne Lyons, Barry Browning and Usua Amanam giving them an experienced, athletic foursome.

GOOD SHAPE

Arizona: If Jonathan McKnight and Shaquelle Richardson are healthy -- and get supported by any sort of pass rush -- they have the potential to be an elite cover tandem. Derrick Rainey is also in the mix.

Oregon State: Rashaad Reynolds is now the lead dog with Poyer gone. There’s and interesting competition on the other side between veteran Sean Martin and juco transfer Steven Nelson, who had a strong spring showing. It helps that things are good at safety -- and that the Beavers gave up just 14 TD passes last year.

Arizona State: Osahon Irabor, a four-year starter, is back and senior Robert Nelson has experience, including a notable interception in the win over Arizona. Rashad Wadood, who redshirted last year due to injuries, is a third option who had a strong spring. The Sun Devils ranked first in the Pac-12 in pass efficiency defense in 2012.

Washington: Like Oregon State's Reynolds, Marcus Peters now moves out of a big shadow -- Trufant -- and gets an opportunity to show what he can do. While Greg Ducre and Tre Watson, backups last year, are back, watch out for junior college transfer Travell Dixon, a former Alabama signee.

Washington State: The Cougars welcome back three corners with significant experience: Damante Horton, Anthony Carpenter and Nolan Washington. On the downside, the pass defense struggled last year, ranking 11th in pass efficiency defense, yielding a 65.5 percent completion rate.

WE'LL SEE

USC: Josh Shaw has moved back to safety, so this position is in flux for the Trojans. Senior Torin Harris has nine career starts but his play has been uneven, while Anthony Brown has two. Kevon Seymour, Devian Shelton and freshman Chris Hawkins are in the mix.

California: While the Bears lost both starters -- Steve Williams and Marc Anthony were a strong tandem -- Kameron Jackson has plenty of experience and Stefan McClure has plenty of pure talent. Depth is a question.

UCLA: The Bruins are replacing their entire secondary, and that might not be a bad thing considering they gave up 27 TD passes in 2012. Anthony Jefferson and Ishmael Adams are the leaders to start, with Fabian Moreau also in the mix. It will be interesting to see if true freshmen Priest Willis and Johnny Johnson make a move. It hurt to lose sophomore Marcus Rios to a serious sinus infection.

Utah: The Utes lost their top three corners from a fair-to-middling 2012 pass defense, one that grabbed just eight interceptions. Keith McGill is a likely starter, while redshirt freshman Justin Thomas and JC transfer Davion Orphey are competing on the other side. Lots of inexperience here.

Colorado: The Buffaloes welcome back essentially their entire 2012 depth chart at corner, including intriguing young talents Kenneth Crawley, Greg Henderson and Yuri Wright. But the Buffs ranked last in the nation in pass efficiency defense in 2012 -- just three interceptions -- which must be accounted for here.

You can see previous previews here:

Quarterback

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Tight end

Offensive line

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