Green Bay Packers RB James Starks (concussion) and C JC Tretter (knee) did not participate in practice Friday, Jan. 20, and have been ruled out for the NFC Championship game. FS Morgan Burnett (quadriceps) and CB Quinten Rollins (concussion, neck) were limited during practice and are listed as questionable. LB Jayrone Elliott (hand), WR Jeff Janis (quadriceps), OG T.J. Lang (foot), LB Clay Matthews (shoulder), LB Julius Peppers (non-injury) and LB Nick Perry (hand) fully participated in practice and are not on the injury report.