Let's take a look at how Penn State's position groups fared against Northwestern.
Potts was forced to come into the Nittany Lions' matchup with Northwestern after an injury put Allen on the sideline.
Wide receiver Malick Meiga and Trey Wallace could both miss Saturday's matchup.
"There's no experience like it."
Penn State put together an excellent defensive performance, including four turnovers en route to its shutout victory over Iowa.
The Nittany Lions moved up in the rankings for the first time this season.