New Orleans Saints players adjust to Guardian Caps during training camp
Guardian Cap Debuts at NFL Training Camps League-wide
Concussions Dropped More Than 50 Percent for Players Who Wore Guardian Caps, NFL Says, News, Scores, Highlights, Stats, and Rumors
Guardian Caps debut at training camps throughout NFL
What's With Those Padded Caps NFL Players Are Wearing In Training Camp?
The story behind those soft-shell puffy Guardian Caps players have been wearing
Guardian Caps debut at NFL training camps around the league
Is the extra white padding on their helmets for practice a new safety precaution this year? I don't recall seeing these previous years. : r/GreenBayPackers
Inbox: Every rep serves a purpose
New Orleans Saints players adjust to Guardian Caps during training camp
New health and safety measures introduced to further safeguard players
Steelers Daily Links: Purdy to Start Despite Picks, Guardian Caps Work