Junior Seau's brother dies: Savaii Seau killed in Lakeside car crash
Doctors say Junior Seau's brain was damaged by head trauma - NBC
Chronic traumatic encephalopathy - Wikipedia
NFL and USC great Seau dies in apparent suicide – Orange County
U.S. Football Star Had Brain Disease Linked to Concussions
Junior Seau's children settle with NFL over 2012 suicide - ESPN
Former Chargers linebacker Junior Seau dies in apparent suicide
Family Of Hall Of Famer Junior Seau Settles With NFL : NPR
Families of Junior Seau, others affected by CTE push for disease
Researchers: Longtime Linebacker Junior Seau Had Brain Disease
Junior Seau's Cause of Death & CTE: How Did He Die?