NFL: Concussions dropped by more than 50% among players who wore Guardian Caps during summer
PDF) Preliminary Examination of Guardian Cap Head Impact Data Using Instrumented Mouthguards
NFL players wear Guardian Caps to reduce head trauma during training camp
Coverage of the NFL in Guardian Caps
Coverage of the NFL in Guardian Caps
If a player wanted to wear a Guardian Cap during a game, the league would prohibit it - NBC Sports
Concussions among players who wore Guardian Caps over summer dropped more than 50%, NFL says - ESPN
What are Guardian Caps? NFL hopes to reduce head injuries with helmet experiment
NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion Drop – Sports Techie
NFL Executive VP: League Saw 52 Percent Decrease In Concussions At Positions Wearing Guardian Caps - Steelers Depot
NFL CMO Dr. Allen Sills explains importance of mandated guardian caps during training camp
New Device Could Help Limit Concussions In Practice NBC, 56% OFF
Sam Shields' two-year journey back to the NFL from concussion - Sports Illustrated