Concussions Ended Jahvid Best's Football Career, Not His Olympic Dream - CBS San Francisco
5 NFL players who were sent into retirement by concussions
Guide, Physical Therapy Guide to Concussion
Tua Tagovailoa: Miami Dolphins quarterback admits he 'considered retirement' after concussions in 2022, NFL News
Dr. Bennet Omalu, who first diagnosed CTE, says children should not be allowed to play football – New York Daily News
Nearly 20 years after putting away the football pads a former high school player is starting to lose memories
Concussion List Tracker for NFL Players, plus NFL Concussion Protocol Policies
Heads Up Concussion Savannah, GA - Official Website
NFL concussions: Timeline of important brain studies - Sports Illustrated
FIFPRO renews call for temporary concussion substitution trials after BJSM's latest Consensus Statement on Concussion in Sport - FIFPRO World Players' Union
New Smart Helmet Could Spot Concussions in Real Time
Ex-Colt Ben Utecht played with concussions. His take may surprise you.
N.F.L.'s Flawed Concussion Research and Ties to Tobacco Industry - The New York Times