Here is how the 49ers (9-4) graded in their 19-17 home win over the Seattle Seahawks (11-2): Pass offense: Anquan Boldin and Michael Crabtree are starting to look like the formidable tandem as expected before Crabtree's Achilles injury. An 11th touchdown for Vernon Davis, whose 51 career touchdowns rank him eighth among tight ends in [...]