Changes in the NFL? Thoughts?

I came across this interesting article from the NY Times this morning. While I do think the safety and health of the players is the most important thing, how will this be affecting the game? Thoughts... http://www.nytimes.com/2012/06/21/sports/football/with-fears-about-safety-football-faces-uncertain-evolution.html?_r=1&ref=todayspaper