PHILADELPHIA (AP/KDKA) –  Buffalo Bills running back 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 says 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.

Police have said the fight broke out over a misunderstanding about who had bought the bottle.

Authorities say one officer suffered a broken nose and broken ribs in the Feb. 7 fight.

McCoy played two seasons for the Pitt Panthers before being selected by the Philadelphia Eagles in the 2nd round of the 2009 NFL Draft.

The 27-year-old McCoy played for the Bills last season after six years with the Eagles. He could still face discipline from the NFL.

(TM and © Copyright 2015 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2015 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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