NFL, NFLPA agree to parameters of updated concussion protocols
How the NFL's concussion-spotting system is working, and isn't
Concussion knowledge changing football in Montana, U.S.
Sports organizations' liability in concussions
Retired Black Players say NFL Brain-injury Payouts Show Bias
NFL, players association determine no concussion protocols were violated in latest Tua Tagovailoa injury
In Brawl For Seau Brain, a Proxy War Over Concussion Science
What are Atlanta's biggest remaining needs as the first wave of free agency settles? - The Falcoholic
The Brains In Football: Meet the doctors trying to solve NFL's CTE issue – New York Daily News
N.F.L.'s Concussion Protocol Under Scrutiny After Tagovailoa Injuries - The New York Times