Cam Johnson has a strong chance to make an impact this season at linebacker.

With all of the focus on the changes to the offense this spring, the defense hasn’t gotten much attention. But the linebacker corps in particular is facing some major changes of its own.

After losing three high-caliber players in Clint Sintim , Jon Copper and Antonio Appleby , there is as much uncertainty here as anywhere else on the field with unproven faces filling the spots.

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