The potential solution to serious head injuries in football is
Eagles players on Guardian Caps: 'We look a little goofy,' but all
Guardian Cap Results: “Exceeded Our Expectations”
Guardian Cap debuts during minicamps in effort to reduce avoidable
NFL CMO Dr. Allen Sills explains importance of mandated guardian
Notebook Jets HC Robert Saleh Assesses the Guardian Helmet
NFL's use of Guardian padded helmet caps in camp draws support and
Why are NFL players wearing padding on helmets at training camp?
What's With Those Padded Caps NFL Players Are Wearing In Training
EXPLAINER: NFL using helmet caps for player safety, research