Nine Bills are questionable, including LB Zach Brown (ankle),Cheap NFL Jerseys Wholesale, LT Cordy Glenn (ankle),Cheap Jerseys, S Aaron Williams (ankle), TE Charles Clay (knee) and Dareus' likely replacement,Cheap Jerseys, DT Corbin Bryant (ankle).
Brown has been a major addition for the Bills this season and leads the NFL in tackles with 60,Wholesale NFL Jerseys.
Dareus has yet to play for the Bills this season. He missed the first four games with a suspension after violating the league's substance abuse policy, and injured his hamstring after returning to the practice field last week.
ORCHARD PARK, N.Y. (AP) — Buffalo Bills defensive tackle Marcell Dareus is doubtful for Sunday's game against the San Francisco 49ers.

The third overall pick in the 2011 draft,wholesale jerseys, Dareus has been one of Buffalo's best players over the previous five seasons. He has 253 tackles and 30 1-2 sacks in his career.