The Nittany Lions switched places with No. 8 Miami.
Wisconsin-Alabama and Oregon-Oregon State could impact Penn State.
The Nittany Lions' depth has been tested throughout the first two games of the season.
The first two games yielded inconsistent defensive results.
The Nittany Lions most recently played the Minutemen in a 63-0 win last season.
Barkley ran the ball 24 times for 109 yards during the win.