Former two-sport star Bo Jackson told USA Today that he never would have played football had he known about the risks for head injuries when he was younger.
Hall of Fame running back Tony Dorsett, who was diagnosed with having signs of chronic traumatic encephalopathy in 2013, said he is "in a battle" and that he had no idea "that the end was going to be like this."
Former New England Patriots running back Mosi Tatupu, who died of a heart attack in 2010 at the age of 54, suffered from chronic traumatic encephalopathy (CTE), a disease that has been linked to football-related head trauma.
The family of Dave Duerson, the former Chicago Bears defensive back who committed suicide by shooting himself in the chest to preserve his brain for study, filed an objection to the NFL concussion settlement Tuesday.
The brain of former Kansas City Chiefs linebacker Jovan Belcher showed signs of pervasive brain damage like that found in other deceased NFL players, OTL has learned.