Buffalo Bills running LeSean McCoy is done talking about Chip Kelly, and sees no reason to explain what he meant in suggesting his former coach might have shown a racial bias when parting ways with several Philadelphia Eagles star players. ''I don't have to explain myself to no one,'' McCoy said after a voluntary practice on Wednesday. Aside from trading McCoy to Buffalo in March after six seasons in Philadelphia where he was the NFL's 2013 rushing leader, the Eagles also released star receiver DeSean Jackson, who is black, in 2013. More...