Why are NFL players wearing padding on helmets at training camp?

Bengals linemen, linebackers and tight ends wore Guardian Caps at training camp after the NFL required the padding for some position players this preseason.

Why are players wearing padded helmets at NFL training camps?

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Why are NFL players wearing padding on helmets at training camp

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Why are NFL players wearing padding on helmets at training camp

Photos: Why the Chicago Bears wear padded helmets – Chicago Tribune

Why are NFL players wearing padding on helmets at training camp

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Here's why some Patriots players are wearing caps over their helmets during training camp