3 biggest question marks still facing Michigan football

Michigan Football Spring Game | Jaime Crawford/GettyImages The countdown to the start of the Michigan football season is nearly finished. The Wolverines will open the season in just six days.

You can feel the optimism surrounding the program. Michigan football is ranked 14th in the AP poll, but it's safe to say that U-M is being overlooked in the playoff race, with most of the experts leaving the Wolverines on the outside looking in.

After an 8-5 season, losing multiple first-round picks, and having a freshman starting quarterback, it makes sense. There are some lingering questions about this Michigan fotoball team and here's look at a few that need to be answered as the season starts.

How…