Drew Allar's 57-yard touchdown pass to KeAndre Lambert-Smith allowed the Nittany Lions to squeak pass Indiana.
The ranking comes after the Nittany Lions' 33-24 victory over Indiana Saturday in Beaver Stadium.
Allar tossed three touchdowns and 210 yards in the 33-24 win.
The Nittany Lion defense was mistake-prone during Saturday's win, but made big plays when it needed to.
With a game against Indiana on the line, Lambert-Smith stepped up when his team needed him the most.
The Nittany Lions survived Indiana's upset bid with Drew Allar's massive 57-yard fourth quarter touchdown.