Tackle Chris Williams (hamstring) and safety Major Wright (hamstring) did not participate in Thursday's practice, although for the second straight day Williams worked out with the training staff on the side. Quarterback Jay Cutler (concussion) practiced on a limited basis while guard Lance Louis (knee) participated fully.

For the Panthers, ex-Bears linebacker Jamar Williams (neck), whose participation was limited on Wednesday, sat out Thursday's practice along with safety Sherrod Martin (concussion), tackle Jeff Otah (knee), receiver Steve Smith (ankle). Meanwhile, running back DeAngelo Williams (illness) returned to practice.