FOOTBALL: NFL following Sequim's lead with protective caps
NFL's use of Guardian padded helmet caps in camp draws support and
NFL exec suggests Guardian Caps worn to protect players during
EXPLAINER: NFL using helmet caps for player safety, research - The
NFL hopes to reduce head injuries with helmet experiment
NFL hopes to reduce head injuries with helmet experiment
Guardian Caps leave some NFL players and coaches with concerns
Guardian Caps - Are the soft-shelled football helmet covers
NFL says Guardian Caps reduced concussions by more than 50%
Guardian Caps: NFL requires use of helmet cover at training camps
NFL Mandated Guardian Caps: Controversial Change - Sports
EXPLAINER: NFL using helmet caps for player safety, research
What is the Q Collar, the device NFL players are wearing around