Iowa's Nate Stanley throws for 197 yards and two touchdowns as the Hawkeyes host North Texas.
Penn State's Trace McSorely throws for four touchdowns in the game against Georgia State.
Ohio State's J.K. Dobbins rushes for 172 yards as the Buckeyes host Army.
Donovan Peoples-Jones and Quinn Nordin star as Michigan hosts Air Force.
Freshman running back Jonathan Taylor rushed for 232 yards and three touchdowns in the 9th-ranked Badger's victory over the Owls.
David Blough led the way with three passing touchdowns, while Tario Fuller rushed for 142 yards and a touchdown in the Boilermaker's victory over the Bobcats at Ross-Ade Stadium.
Senior Ty Isaac led the 8th-ranked Wolverines with a career-high 133 rushing yards in a victory over the Bearcats in Ann Arbor.