The Seahawks travelled to Monster Park to face division rival San Francisco. Buoyed by the return of Shaun Alexander to the starting line-up, and having Matt Hasselbeck dressed as the 3rd quarterback, the Seahawks expected to take a stranglehold on the NFC West. Instead, they played a flat first half and fell behind by 20 points – 13 of those coming after 3 turnovers. The Seahawks also allowed the 49ers to gain 163 rushing yards in the first half, whereas Alexander had only 9 yards on 7 carries. He would finish with 37 yards on 17 carries.