They look like giant marshmallows and are disliked by many NFL players, but may be just what the doctor ordered to protect them against concussions and other head injuries.
NFL Players Experiment With 'Guardian Caps' To Protect Heads wccbcharlotte.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wccbcharlotte.com Daily Mail and Mail on Sunday newspapers.