The Penn State Nittany Lions are three weeks into spring practice for the 2013 season. Guys have been practicing hard and trying to impress the coaching staff. Several players need to have a strong spring in order to improve their spot on the depth chart.
While some positions have been set since last year, head coach Bill O'Brien still has a lot of decisions to make before the team takes the field on August 31 against Syracuse.
Much of the focus will be on who's gong to replace graduated quarterback Matt McGloin. Though that's an important topic, there are other position battles that bear watching. A few experienced players may be in danger of losing their spot to young up-and-coming new arrivals.
The following slides highlight four Nittany Lions who need to have an impressive spring.