NFL stars could wear motorcycle-style helmets as the sport searches for new ways to protect players from head injury and concussion: 'There are big strides we can still take'
Chiefs News 6/9 Patrick Mahomes tops Josh Allen in QB rankings - Arrowhead Pride
Concussions among players who wore Guardian Caps over summer dropped more than 50%, NFL says - ESPN
It's not OK': NFL concussions rose 16% in 2017 amid CTE fears, Concussion in sport
PDF) Preliminary Examination of Guardian Cap Head Impact Data Using Instrumented Mouthguards
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: Why some NFL players are wearing them in training camps
Football Guardian Cap draws mixed reviews from players, experts for safety effectiveness - The Daily Tar Heel
Billy Napier addresses evolution of Florida's 'guardian cap' mandate - On3
Coverage of the NFL in Guardian Caps
Coverage of the NFL in Guardian Caps
NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion Drop – Sports Techie
NFL's Chief Medical Officer Talks New Position Specific Helmets & Guardian Caps
Guardian Caps: NFL requires use of helmet cover at training camps to reduce head injuries