There was some significant movement in the new rankings released after the Week 13 games. While the top four teams in last week's rankings —Oregon, Ohio State, Texas, and Penn State—all took care of business, other teams projected to be in the 12-team College Football Playoff bracket suffered losses.

Case for: The eye test and statistics favor Indiana. The Hoosiers have an electrifying offense led by quarterback Kurtis Rourke and five receivers with at least 24 catches, 280 yards and three touchdowns. Indiana also plays high-level defense, which is unusual for a portal-based team.