Eagles players on Guardian Caps: 'We look a little goofy,' but all for safety
Funky-Looking Guardian Caps Rejected by NFL for Regulation Play, OK'd for Practice - Core77
NFL exec suggests Guardian Caps worn to protect players during practices could one day debut in games
New England Patriots LB On NFL Mandated Guardian Caps: 'Funny Like Q-tips' - Sports Illustrated New England Patriots News, Analysis and More
Guardian Caps: Why some NFL players are wearing them in training camps
Why are NFL players wearing padding on helmets at training camp?
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
Guardian Caps Exceed NFL's Expectations - Guardian Sports
Guardian Caps leave some NFL players and coaches with concerns: 'You feel like a bobblehead'
NFL players wear Guardian Caps to reduce head trauma during training camp
Giants react to NFL's new 'Guardian Caps' at training camps - Big Blue View
NFL: Guardian Cap debuts during minicamps in effort to reduce avoidable head contact
Guardian Caps leave some NFL players and coaches with concerns: 'You feel like a bobblehead'
NFL Players Experiment With 'Guardian Caps' to Protect Heads – NBC Connecticut
Funky-Looking Guardian Caps Rejected by NFL for Regulation Play, OK'd for Practice - Core77