Arizona Cardinals defensive end J.J. Watt not fan of the new league-mandated Guardian Caps on helmets
NFL training camps: Guardian Cap players are wearing over helmets, why
What's With Those Padded Caps NFL Players Are Wearing In Training Camp?
Inbox: This was a nice step forward
Eagles players on Guardian Caps: 'We look a little goofy,' but all for safety
As NFL mandates Guardian caps in practice, area high school football teams have been using them for years, Sports
The Eagles played a dirty trick on the Giants. But the NFL is a squalid place, NFL
Jason Kelce Trolls NFL's Guardian Caps, Wears Bubble Wrap At Camp
NFL hopes to reduce head injuries with helmet experiment
NFL hopes to reduce head injuries with helmet experiment