Helmets don't eliminate concussions. It's time for the NFL to ditch them, NFL
NFL introduces Guardian Caps across league to limit number of brain injuries in preseason
Coverage of the NFL in Guardian Caps
NFL: Concussions dropped by more than 50% among players who wore Guardian Caps during summer
The NFL Has Introduced 'Guardian Caps' to Reduce Concussions, and Made Them Mandatory. But Only for Some Positions. And Only Through the 2nd Preseason Game.
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Patriots LB Mack Wilson: Jerod Mayo the 'greatest coach I've ever had in my life at the position'
NFL hopes to reduce head injuries with helmet experiment
NFL CMO Dr. Allen Sills explains importance of mandated guardian caps during training camp
The Quest for a Better Football Helmet
New Football Helmet Could Save the Sport
NFL hopes to reduce head injuries with helmet experiment – The Morning Call
NFL CMO Dr. Allen Sills explains importance of mandated guardian caps during training camp
New England Patriots news 8/16/22 - - Pats Pulpit