Rourke now ranks fourth nationally with a QBR of 92.4. He has thrown eight touchdowns without an interception. The Hoosiers will face tougher tests ahead. But Indiana has a shot this weekend at home against Maryland to start 5-0 for the first time since 1967 -- and only the third time in program history. -- Trotter

Week 4 of college football didn’t have a ton of huge surprises, but there were a few. Namely Michigan football upending USC, 27-24, with a power run game under new starting quarterback Alex Orji. But given that some teams looked less than impressive, there were a lot of big reactions coming out of this past weekend in the sport.

Making our final Week 4 college football picks with help from ESPN's College GameDay, including Lee Corso's headgear pick.