'D' adds Caldwell, Zordich
A former linebacker and special teams stalwart with the Eagles, Caldwell served as the team's assistant linebackers coach in 2010. Caldwell joined the Eagles staff as a defensive quality control coach in 2008.
As the quality control coach, Caldwell assisted with the linebackers and the defensive line.
Caldwell was an intern at Eagles training camp in 2007.
Zordich also played for the Eagles and was an assistant with the team last year.