The NFL's Impending Painkiller Headache, by Jack Moore
Athletes and migraines: DeShone Kizer and 11 others who had to cope with them
Sidelined By Brain Injury, Ex-NFL Player Copes With 'Desperation' : NPR
Greg Hardy: The NFL's unemployed headache
Is It Time for the NFL to Ban Domes? - WSJ
Athletes and migraines: DeShone Kizer and 11 others who had to cope with them
You Can't Put Ice Over a Migraine,' a Lurking Malady in the N.F.L. - The New York Times
Demaryius Thomas Diagnosed With C.T.E., Family Reckons With His Death - The New York Times
NFL Spinal Injuries: David Wilson's Re-Injury Forces Retirement
Bengals Bytes (11/15): Giant headache - Cincy Jungle