Posted by ESPN.com's Bill Williamson
Here is some injury information about the Chargers and the Raiders:
In Oakland, defensive end Derrick Burgess missed practice again with a triceps injury. He has missed the past two games and he didn't practice Wednesday. He has been replaced by Kalimba Edwards and Trevor Scott, who sacked Brett Favre twice last Sunday. In addition to Burgess, linebacker Jon Alston missed practice with a foot injury.
Defensive tackle Gerard Warren practice on a limited basis Thursday with an ankle injury. He didn't practice Wednesday. Running back Darren McFadden was limited with a turf toe. He practiced Wednesday. The injury has been bothering him since Week 2.
In San Diego, wide receiver Chris Chambers practiced on a limited basis for the second straight day. He missed the past two games with an ankle injury. Chambers appears on track toward playing Sunday against New Orleans. Cornerback Antonio Cromartie didn't practice with a hip injury. He practiced Wednesday. Backup receiver Buster Davis didn't practice again with a groin injury. He missed the Buffalo game last Sunday.