A look into the future of player safety
NFL's top doctor does not expect Guardian Caps to be worn in games - NBC Sports
NFL executive hints that Guardian Caps could eventually be worn in games, along with position-specific helmets
Guardian Caps: NFL requires use of helmet cover at training camps
NFL's Use Of Guardian Padded Helmet Caps In Camp Draws, 47% OFF
NFL hopes to reduce head injuries with helmet experiment
Bill Barrable on LinkedIn: Hockey players shouldn't be bodychecking until age 15, U of O review…
NFL's Use Of Guardian Padded Helmet Caps In Camp Draws, 47% OFF
ConcussionTimeForChange on LinkedIn: Sport-Related Concussion Short Course - Connectivity
NFL offseason priorities for 2023: Possible rules changes, safety reforms - ESPN
2014 Army Football Media Guide by Army West Point Athletics - Issuu