This is the fourth installment in our 10-part series where we take an in-depth look at those new faces on Penn State's spring roster that need to emerge in spring practice if the Nittany Lions have a legitimate chance of duplicating or improving upon its 2012 8-4 record.

You can always tell when a Penn State football team's defense is playing at peak performance.
 
All you have to see on the statistical charts is the fact that Penn State's linebackers are the leading tacklers on the team.
 

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