The Eagles official site reports that Omar Gaither may get more first team reps this week:
Eagles defensive coordinator Sean McDermott made the announcement Sunday that Omar Gaither will work in the base 4-3 as the first-team middle linebacker this week in practice. As to who will start Thursday in the preseason finale against the Jets, [...]

With the recent announcement that Sean McDermott will take over for Jim Johnson, Eagles head coach Andy Reid, quoted in the Philadelphia Inquirer is expressing full confidence that McDermott will fill the void well:
“I think Jim did a great job of teaching Sean. Sean was in Jim’s hip pocket all the time, and he developed [...]

With defensive coordinator Jim Johnson not coming back to the team for awhile, it makes Sean McDermott all that more important to the Eagles. With the announcement that McDermott would be running the defense in Johnson’s absence, the Philadelphia Daily News reports that McDermott will be going nowhere soon:
Eagles secondary coach Sean [...]

Today’s Philly Enquirer reports that secondary coach Sean McDermott could take over the defense for Jim Johnson should the great coach not be able to return because of his health:

What Russ Huesman didn’t see was the intensity, the intelligence, and the will that drove /Sean McDermott to become an all-conference safety and a coach [...]

The Eagles have made several coaching moves now that John Harbaugh has moved on to Baltimore.  Sean McDermott, who was the linebackers coach, will now coach the secondary, which Harbaugh did last season.  Bill Shuey will now coach the linebackers and former Eagle players, Otis Smith and Mike Caldwell, have also been added to the [...]