NFL nearing end to one-helmet rule? - The Falcoholic
Jets unveil 'stealth black' alternate helmets to be worn three times during 2022 season
NFL scraps one-helmet rule, allowing throwback colors - The Athletic
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Why Riddell removed part of the facemask to increase safety in new Axiom football helmet
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These Women Were N.F.L. 'Firsts.' They're Eager for Company. - The New York Times
NFL Should Abolish the 'One-Shell Rule : r/nfl
2023 NFL season, Week 1: What We Learned from Sunday's games
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NFL 101: Introducing the Basics of Cover 1, News, Scores, Highlights, Stats, and Rumors