NFL, NFLPA release results of annual helmet testing: Three previously approved models now prohibited
🚨🔥 NEW Helmet Set to SHOCK NFL! Why this could be a GAME-CHANGER for Tua & The Miami Dolphins!
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First QB helmet designed to help reduce concussions, Sports
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
First QB-specific helmet designed to help reduce concussions approved
NFL, NFLPA Approve Helmet for QBs Designed to Reduce Concussions, News, Scores, Highlights, Stats, and Rumors
With Alex Smith leading way, some Chiefs players are high on new 'Zero1' helmet
NFL to test new helmet designed specifically for linemen - Footballscoop
NFL, NFLPA approve helmet designed to reduce QB concussions - ESPN
What Pros Wear: Top 5 Helmets Rated by the NFL & NFLPA - What Pros Wear
NFL, NFLPA approve concussion-reducing helmet for quarterbacks