Changes

Mike Webster, a four-time Super Bowl winner as center for the Pittsburgh Steelers, died of a heart attack at the age of only 50, and the autopsy of his brain revealed that it was one of "boxers, very old people with Alzheimer's disease or someone who had suffered a severe head wound," quoting pathologist Bennet Omalu of the Allegheny Medical coroner's office.<ref>http://www.behindthesteelcurtain.com/2013/10/8/4814434/concussion-suit-mike-webster-thing</ref>

Mike Webster, a four-time Super Bowl winner as center for the Pittsburgh Steelers, died of a heart attack at the age of only 50, and the autopsy of his brain revealed that it was one of "boxers, very old people with Alzheimer's disease or someone who had suffered a severe head wound," quoting pathologist Bennet Omalu of the Allegheny Medical coroner's office.<ref>http://www.behindthesteelcurtain.com/2013/10/8/4814434/concussion-suit-mike-webster-thing</ref>

=== Criticism by former NFL players ===

=== Criticism by a former NFL player ===

Lem Barney, one of the greatest defensive backs ever in the NFL, predicted in 2013 that the sport would not exist within the next two decades, because of how harmful it has become.  Despite being one of the best players ever, he wishes he had driven a truck or a cab instead.<ref>http://www.usatoday.com/story/sports/nfl/2013/06/14/lem-barney-football-will-be-gone-in-20-years/2424499/</ref>

Lem Barney, one of the greatest defensive backs ever in the NFL, predicted in 2013 that the sport would not exist within the next two decades, because of how harmful it has become.  Despite being one of the best players ever, he wishes he had driven a truck or a cab instead.<ref>http://www.usatoday.com/story/sports/nfl/2013/06/14/lem-barney-football-will-be-gone-in-20-years/2424499/</ref>