What are those funny-looking soft caps on NFL helmets during camp?, Sports
Bombers set to don Guardian Caps” on helmets at training camp
Steelers debut new, safer helmets for off-season training
NFL's top doctor does not expect Guardian Caps to be worn in games - NBC Sports
Guardian Caps (@Guardian_Caps) / X
Guardian cap' to prevent head injuries mandated for practices, CFL says
Coverage of the NFL in Guardian Caps
Arizona Cardinals defensive end J.J. Watt not fan of the new league-mandated Guardian Caps on helmets
Robert Saleh dislikes the new Guardian Caps: And he has a point
What are Guardian Caps and how are they helping football teams?