Usually, teams pump in crowd noise during practice to see if their offense can handle the volume. During the Rams workout in the Dome Wednesday, they pumped in noise during their defensive drills. The Rams make numerous checks as they line up defensively, and coach Mike Martz wants to be sure the defense can communicate while Ram fans are trying to disrupt the opposing offense.St. Louis’ injury report is a light one. Defensive end Sean Moran and linebacker Leonard Little are doubtful for Monday night’s opener, and running back Trung Canidate is questionable.