Buffalo Bills running back LeSean McCoy won't be charged over a Philadelphia nightclub brawl that left two off-duty police officers injured. District Attorney Seth Williams said Monday that he can't prove who initiated the fight and says it's legal to act in self-defense or the defense of others. Defense lawyer Dennis Cogan says McCoy was only trying to break up a fight between the officers and his friends over a $350 bottle of Champagne. More...