NFL's safest helmet ever may not be enough to stop concussions
NFL Announces New Quarterback-Specific Helmet To Combat Concussion
Riddell Unveils Overhauled New Football Helmet SpeedFlex - ABC News
First quarterback helmet designed to reduce concussions approved
First QB helmet designed to help reduce concussions approved
NFL: First look at QB-specific helmets to protect from head injuries
First QB helmet designed to help reduce concussions approved
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Carson Wentz is one of the first NFL players wearing a