The Bruins have only beaten Hawaii this season.
The running backs and front seven thrived against the Fighting Illini.
Kaytron Allen and Nick Singleton had carries in more than half of Penn State's offensive snaps.
Nick Singleton and Kaytron Allen were responsible for two of Penn State's three touchdowns.
No. 19 Illinois is red-hot, coming off a road win at previously-ranked Nebraska.
The Nittany Lions are tied for fourth-most penalties in the Big Ten.