Washington Redskins free safety Madieu Williams (41) tackles Dallas Cowboys wide receiver Dwayne Harris (17) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Associated Press
Washington Redskins free safety Madieu Williams (41) tackles Dallas Cowboys wide receiver Dwayne Harris (17) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)
Washington Redskins free safety Madieu Williams (41) tackles Dallas Cowboys wide receiver Dwayne Harris (17) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)