Getty The Colts are adding DT Chris Wormley to their practice squad. The Indianapolis Colts head into Week 12 with a defense that has performed well overall, but the team’s interior defensive line depth has become an area of genuine concern. With injuries piling up, the Colts are adding some depth on the interior, signing former Baltimore Ravens veteran defensive tackle Chris Wormley to their practice squad. CBS Sports’ Matt Zenitz was first to report the signing. Indy was hardest hit by the