Was Junior Seau's apparent suicide brain-injury related?
Study: Younger tackle players show brain disease earlier – Boston
Former NFL quarterback Ken Stabler had brain disease CTE
Researchers: Longtime Linebacker Junior Seau Had Brain Disease
Junior Seau Had Brain Disease - The New York Times
Junior Seau Had Brain Disease CTE - CBS Boston
Doctors say Junior Seau's brain was damaged by head trauma - NBC
Junior Seau had Brain Disease Before Suicide
Aaron Hernandez's Brain Will Be Donated To CTE Research