San Francisco 49ers quarterback Alex Smith, right, is sacked for a 7-yard loss by St. Louis Rams safety Craig Dahl, left, during the second quarter of an NFL football game Sunday, Jan. 3, 2010, in St. Louis. (AP Photo/Seth ...

Jacksonville Jaguars wide receiver Mike Sims-Walker (11) runs for yardage on a 35-yard pass play before being tackled by St. Louis Rams safety Craig Dahl (43) during the first half of an NFL football game in Jacksonville, Fla., Sunday, Oct ...