NFL Mandate of Guardian Caps - 2023 Season >> Guardian Sports
Funky-Looking Guardian Caps Rejected by NFL for Regulation Play, OK'd for Practice - Core77
NFL introduces Guardian Caps across league to limit number of brain injuries in preseason
NFL players wear Guardian Caps to reduce head trauma during training camp
NFL testing safer helmets
Coverage of the NFL in Guardian Caps
NFL to expand use of Guardian Caps in preseason, regular season practices - NBC Sports
NFL mandates use of Guardian Caps for training camp in 2022 - Cincy Jungle
NFL Releases Concussion Data After Use of 'Guardian Caps' During Offseason - Sports Illustrated
Guardian Cap Debuts at Training Camps League-wide
Steelers QB Kenny Pickett turning to new helmet technology to help avoid further concussions in 2023, National Sports
Coverage of the NFL in Guardian Caps
Coverage of the NFL in Guardian Caps