ANN ARBOR -- Jim Harbaugh reintroduced stickers on Michigan football helmets when he took over ... including offensive stars such as quarterback J.J. McCarthy and running back Blake Corum, among ...

At 21 years of age, Vikings rookie J.J. McCarthy is but a mere pup as an NFL ... into the 11-on-11 period while wearing shades and no helmet. The other players wore helmets for what was slightly ...