Ryan Field was a sea of white in the Nittany Lions' week five return to Illinois on Saturday.
Penn State most recently put together a 41-13 victory over Northwestern on Saturday in Evanston, highlighted by a 17-point third quarter.
Despite ultimately defeating the Wildcats in a blowout, the Nittany Lions were trapped in a shootout in the first half.
Penn State overcame a sluggish first half with 31 points and an interception in the second.
Potts was forced to come into the Nittany Lions' matchup with Northwestern after an injury put Allen on the sideline.
A 17-point third quarter powered Penn State to a 41-13 win over Northwestern.