Week 4 of college football is underway, and there are many big-time games happening on Saturday, including USC vs. Michigan, Utah vs. Oklahoma State, and Tennessee vs. Oklahoma. However, the top-five teams that are in action this weekend are playing less-than-stellar opponents.

When Notre Dame football lost at home to Northern Illinois, its path to the College Football Playoff got much thinner. After this weekend’s lackluster performance against Miami (OH) coupled with the Huskies overtime loss to Buffalo,

We have seen the Michigan Wolverines fall off precipitously in the wake of the Connor Stalions sign-stealing scandal. Now FOX's Joel Klatt says TCU had help in beating Michigan in the Fiesta Bowl.