Though Williams won't disclose the exact nature of the injury, he said it's something he's confident he can play through. Williams, who aggravated the injury during the third quarter of a 31-24 victory over the Philadelphia Eagles last weekend, is the anchor of Buffalo's defensive front and appeared in his first Pro Bowl in February.
Merriman's status is suddenly a concern. He was listed on the Bills' injury report Thursday as being limited in practice because of an Achilles injury. That's a switch from one day earlier, when the team listed Merriman as missing practice with a shoulder injury.
Gailey spoke before the Bills released their injury report, and he wasn't available for comment on Merriman's condition or to explain why the report had changed over the past day.
Merriman finished the 2010 season on injured reserve.
The Bills also added starting linebacker Nick Barnett to their injury report after he practiced on a limited basis because of a sore ankle. Barnett hurt his right ankle during a 23-20 loss at Cincinnati two weeks ago. He rebounded to have two interceptions -- including one he returned for a touchdown -- against Philadelphia.
Copyright 2011 by The Associated Press