What it means for the Seahawks: Seattle gets the early upper hand against its NFC West rival in a game between two of the best teams in the NFL on a strange night that included an hour-long weather delay in the first half. It’s only two weeks into the season, but the Seahawks sent a message that they are the team to beat in the NFC.
Stock watch: The Seahawks' defense is taking up where it left off last season, when it allowed the fewest points in the league. Seattle has allowed only 10 points in the first two games of 2013, holding the 49ers to a field goal a week after they scored 34 points against Green Bay. After 13 receptions against the Packers, Anquan Boldin had one catch for seven yards against the Seahawks. The "Legion of Boom" secondary had three interceptions -- one each for Earl Thomas, Richard Sherman and Kam Chancellor.
"Beast mode" is back: After a disappointing effort in the first game, Marshawn Lynch got the running game going and scored three touchdowns Sunday night, two rushing and one receiving.
Okung injured: The Seahawks lost Pro Bowl offensive tackle Russell Okung to a foot injury in the first half. Paul McQuistan moved from left guard to Okung's left tackle spot and struggled in the first half with 49ers linebacker Aldon Smith, but McQuistan improved in the second half.
Attendance record: The crowd of 68,338 was the largest ever for a Seahawks game at CenturyLink Field, topping by seven spectators the previous mark (from 2007, against the 49ers).
What’s next: The Seahawks play host to Jacksonville next Sunday, a game that brings back former Seattle defensive coordinator Gus Bradley, who left at the end of last season to become the Jaguars coach.