October 02, 2013
Erick W. Rasco/SI
The speed and violence of the NFL make head trauma a danger on nearly every play.
Dale Zaniniel/US Presswire
The NFL has tried to protect players from hits to the head, but one shot can end a player's career.
Sam Riche/MCT/Zumapress.com

To purchase a copy of League of Denial, go here.

You May Like