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Guardian Caps: Why some NFL players are wearing them in training camps
NFL report: concussions dropped 50 PERCENT when players wore new
Guardian Cap debuts during minicamps in effort to reduce avoidable
NFL says positions wearing Guardian Caps saw 52% decrease in
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Seeking to reduce head contact, NFL mandates use of Guardian Cap
NFL exec suggests Guardian Caps worn to protect players during
Guardian Cap Debuts at Training Camps League-wide
NFL: Guardian Cap debuts during minicamps in effort to reduce
Guardian Caps debut at training camps throughout NFL
NFL players wear Guardian Caps to reduce head trauma during