College football rankings, grades: Michigan earns 'A', Notre Dame an 'F' in Week 2 report card | CBS Sports Headlines College football rankings, grades: Michigan earns 'A', Notre Dame an 'F' in Week 2 report card Week 2 had a little bit of everything for national title contenders over the … Continue reading College football rankings, grades: Michigan earns 'A', Notre Dame an 'F' in Week 2 report card