13 NFL teams introduce alternate helmet looks for 2022 season
NFL Uniforms: Power Ranking All NFL Teams Helmet Logos, News, Scores, Highlights, Stats, and Rumors
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Guardian Cap: What are and why the NFL asks this safety measure in helmets
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Finite Element Models: New Tools for Innovation in Football Helmet Design
NFL approves alternate helmets beginning in 2022
Evolution of EVERY Team's Logo and Helmet
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NFL uniform rankings: Patriots, Chargers rise with new looks for 2020; Falcons fall