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(AP) -- Iowa State's defensive line appears to be its strongest in years. its linebackers and defensive backs are skilled and experienced.

The Cyclones have intriguing options at widereceiver and running back and three starters back in the trenches.

 None of that will matter if they can't find a quarterback.

How Iowa State replaces three-year starter Austen Arnaud will likely define its third season under coach Paul Rhoads. Junior Jerome Tiller, junior college transfer Steele Jantz and redshirt freshman Jared Barnett are all in contention for the job.

Iowa State finished 5-7 (3-5 Big 12) in 2010, missing out of postseason eligibility after a 14-0 home loss to Missouri in its final game.

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