Do NFL players have numbers on their helmets? If so, why? - Quora
James Sauerbaum on LinkedIn: VICIS x Carbon
NFL rates first ever position-specific helmet No. 2 in lab testing
How to prevent concussions in football? Better helmets
Vicis pulls concussion-resistant helmets from UW camp - Sports Illustrated
Nflpa - Bio, News, Photos - Washington Times
What Pros Wear: What Helmet are the Bosa Brothers Wearing?
College programs take proactive approach to helmet safety, All OU Sports
To combat his several documented concussions while playing for the 49ers in the 80s and 90s, San Francisco Offensive Lineman, Steve Wallace, had the equipment team construct a styrofoam pad to sit