Seahawks clinch playoff spot in convincing 42-13 win over 49ers
APTOPIX 49ers Seahawks Football
Seattle Seahawks' Jermaine Kearse, right, has a pass broken up by San Francisco 49ers' Tarell Brown (25) in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)