Last season's shocker in Columbus added more powder to the keg. A 13-10 Michigan win as a 19.5-point underdog sparked turmoil after Michigan planted its flag at midfield. Tempers flared, chaos ensued and police cleared the scene with pepper spray.

It's a big week in college football, with a busy weekend across the country featuring several high-profile matchups between AP Top 25 teams that will help determine the teams in the College Football Playoff.

Many college mascots are not permitted to reveal their identities until after their days of being a costumed performer have come to an end.