Alex Smith Is Wearing a New Helmet Designed to Reduce Concussions
New NFL QB Helmet: How much do these new helmets reduce concussions?
Despite Risks, N.F.L. Leaves Helmet Choices in Players' Hands - The New York Times
Tua help on the way? NFL approves first QB helmet designed to help reduce concussions – Sun Sentinel
New NFL Helmets: Will the Quarterback Special Helmets Aid in Preventing Concussions? - The SportsRush
NFL at 100: Helmets go high tech in quest for player safety
NFL, players' union approve QB-specific helmet designed to reduce concussions – NBC Sports Philadelphia
Tom Brady's helmet model among those banned for 2018 - Sports Illustrated
First QB helmet designed to help reduce concussions approved
Dolphins' Tagovailoa considered retirement after concussions