The third overall pick in the 2011 draft, 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.
Brown has been a major addition for the Bills this season and leads the NFL in tackles with 60.
ORCHARD PARK,Cheap Air Max Tn, N.Y. (AP) — Buffalo Bills defensive tackle Marcell Dareus is doubtful for Sunday's game against the San Francisco 49ers.
Nine Bills are questionable,Jerseys Cheap, including LB Zach Brown (ankle), LT Cordy Glenn (ankle),China Jerseys Free Shipping, S Aaron Williams (ankle), TE Charles Clay (knee) and Dareus' likely replacement,Authentic Atlanta Falcons Jersey, DT Corbin Bryant (ankle).
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,Wholesale Jerseys Cheap, and injured his hamstring after returning to the practice field last week.