NFL football commissioner Roger Goodell is surrounded by reporters after delivering a Dean's Distinguished Lecture at Harvard School of Public Health in Boston, Thursday, Nov. 15, 2012,

... more 

NFL football commissioner Roger Goodell is surrounded by reporters after delivering a Dean's Distinguished Lecture at Harvard School of Public Health in Boston, Thursday, Nov. 15, 2012, where he discussed some of the rules that have been created to limit concussions in the game of football. Goodell said the league will do what it needs to do to protect the safety of its 1,800 players. (AP Photo/Elise Amendola) less