NFL releases the results of a study detailing the safest, and most dangerous, helmets - Footballscoop
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Best college football helmets: Notre Dame, Michigan, more - Sports Illustrated
N.F.L. Will Allow Six Social Justice Messages on Players' Helmets - The New York Times
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Arizona Cardinals unveil alternate black helmets with black facemask and metallic 3-D birdhead for 2022 season
Large Bubble Helmets Are Guardian Caps, NFL's New Safety Measure
Helmet Redesigns for All 32 NFL Teams
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