The Eagles held a light practice Sunday morning that was closed, but coach Andy Reid revealed afterward that guard Todd Herremans is "full-go" and will play Friday at the Chiefs in the third preseason game.

One more from the good news department: center Jamaal Jackson was able to participate in some light contact periods for the first time this camp. Jackson and Herremans missed most of training camp -- Jackson because of a torn ACL and Herremans so he could rest his sore foot.

While Herremans will play in Kansas City, Jackson is out, Reid said. Reid did not rule out Jackson for the final preseason game against the New York Jets, not did he say it was necessary for the center to play in one preseason game before the season opener.

Jackson's status for the Sept. 12 opener against the Packers is still up in the air.

"I would bet on myself," he said.

But their advancement in the injury department comes at an opportune time with their replacements struggling --especially in Friday night's game at Cincinnati. Guard Max Jean-Gilles and center Mike McGlynn did not fare well against the Bengals, and neither did the entire offensive line for that matter.

Stacy Andrews was knocked around on several occassions. Reid said that his right guard "needs to keep getting better." And tackles Jason Peters and Winston Justice combined for several penalties.

"Collectively, we can all do better," Reid said.

Herremans was asked what he could bring to the unit.

"That's a good question," Herreman said. "You know how they tell you to think about questions they could ask you before [an interview]? I didn't think of that one. ... I'll bring experience ... a feel for leadership and just an attitude."

In other injury news, Reid said that running back Mike Bell is back from his calf strain and will play Friday in his first preseason game, barring a setback. Wide receiver Jeremy Maclin, despite suffering a shoulder bruise that knocked him out of the game, was back at practice. So, too, were cornerbacks Asante Samuel (hamstring) and Macho Harris (hamstring), who both missed Friday's game.

Only four players sat out: center Nick Cole (knee), center A.Q. Shipley (knee), cornerback David Pender (illness) and defensive end Victor Abiamiri.

Cole has hardly practiced in the last three weeks.

"This is me backing off on  so we can't keep the swelling out of the knee," said Reid, who added that Cole underwent an MRI that the "doctors did everything that they needed to do with it."

Cole declined an interview request.

"Zero," he said, shaking his head.