Guardian Caps debut at training camps throughout NFL
Gabby Hajduk
During the first 14 practices of training camp, the NFL is requiring certain position groups from all 32 teams to wear Guardian Caps, which is a padded shell placed on the outside of helmets. The requirement applies to offensive linemen, defensive linemen, linebackers and tight ends.
While this is the first season Guardian Caps are mandatory for some players, they were developed in 2010 and we