NFL report: concussions dropped 50 PERCENT when players wore new 'Guardian Caps' over the summer
High school football teams go soft in the fight against brain injuries
NFL hopes to reduce head injuries with helmet experiment
Concussion concerns weigh on parents of football players, Local News
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
NFL hopes to reduce head injuries with helmet experiment
NFL medical director asks for patience with DeVante Parker concussion investigation: 'Let's let all the facts emerge' - The Boston Globe
NFL hopes to reduce head injuries with helmet experiment
The Boston Globe - Vol. 299 No. 044 (13 Feb 2021), PDF, Mike Pence
A timeout for the NBA's halftime performers is costing them big – Hartford Courant
New Football Helmet Could Save the Sport
NFL introduces Guardian Caps across league to limit number of brain injuries in preseason
NFL medical director asks for patience with DeVante Parker concussion investigation: 'Let's let all the facts emerge' - The Boston Globe
NFL players beginning to adopt protective Guardian Caps over helmets at practice - NBC Sports