Losing Gaither is a huge blow to this Eagles 'D'.We all knew that Omar Gaither's foot injury was more serious than what was being let on once the Eagles swung a trade for the Rams' Will Witherspoon. However I'm not sure anyone thought the prognosis would be a Lis Franc sprain and season-ending surgery.But that's where the Eagles stand now. It's another starting linebacker down for the year, forcing the Eagles to give up a fifth-round pick and a promising young rook...