vaughn:>>> wendy davis: The Eagles are expected to have one of the most potent offees in the nfl again this season. Even with the absence of DeSean Jackson, Chip Kelly enters his second year with a bevy of talent at his disposal. >>> The Birds targeted a few receivers in this year's nfl Draft to help fill the void left by Jackson.But part of their answer may come at tight end in the form of Zach Ertz. The Stanford product is in his second year and has generated some early buzz at camp.After enduring some struggles at the start of last year, Ertz improved and posted solid numbers. That's allowed Ertz to hit the ground running this season.>>>>>> The Eagles were off today...they'll