Endgame - Sports Illustrated Vault
NFL commissioner Roger Goodell believes football will become safer
NFL Fans: This Is the Year for Your Team! (No It Isn't.) - The New York Times
Runners-Up From Our Sixth Annual Student Editorial Contest - The New York Times
N.F.L. to Spend $100 Million to Address Head Trauma - The New York Times
N.F.L.'s Flawed Concussion Research and Ties to Tobacco Industry - The New York Times
N.F.L.-Backed Youth Program Says It Reduced Concussions. The Data Disagrees. - The New York Times
N.F.L.'s Flawed Concussion Research and Ties to Tobacco Industry - The New York Times
Collective Force of Head Hits Increases Odds of CTE, Study Says - The New York Times
Opinion The N.F.L. Comes Clean on Concussions - The New York Times
A future without football: Head injuries put NFL, game at risk - Sports Illustrated
National Football League Foundation - Wikipedia
American football - Wikipedia