How use of race-norming resulted in denial of former NFL players' concussion claims - 60 Minutes Plus - CBS News
NFL faces intense scrutiny over concussion protocols
Explaining the NFL's latest concussion controversy and policy change : NPR
Bengals' Joe Burrow comments on Tua Tagovailoa's head injury, concussion protocol: Football 'is a dangerous game'
Explaining the NFL's latest concussion controversy and policy change : NPR
NFL playoff officiating decisions - What happened on controversial calls -- right and wrong -- and what came next - ESPN
Tom Brady Was Asked About the NFL's Concussions Controversy - Sports Illustrated
Two Minute Warning: How Concussions, Crime, and Controversy Could Kill the NFL (And What the League Can Do to Survive): 9781629370835: Freeman, Michael: Books
Tua Tagovailoa concussion controversy: Some neurologists aren't quick to point accusatory finger at Dolphins
Football concussions: The problem lies at the heart of the sport - The Boston Globe
Dallas Cowboys' KaVontae Turpin makes his feelings clear on controversial NFL rule change - Mirror Online