Seahawks clinch playoff spot in convincing 42-13 win over 49ers
49ers Seahawks Football
Seattle Seahawks' Richard Sherman scoops up a blocked field goal attempt to run it for a touchdown as San Francisco 49ers kicker David Akers (2) looks on in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)