Well, not every drive can end with a Seattle score of some kind. After starting the second half with a kick return touchdown from Percy Harvin, the Seahawks finally had to punt after a penalty set them up with a 3rd and long.
Seattle took over for its first proper possession of the second half (the first ended with the aforementioned kick return touchdown), and immediately faced a daunting proposition: 2nd and 20, and then a 3rd and 17 after a short gain. Russell Wilson took the shotgun snap and threw a screen to Golden Tate, who couldn't make anything happen.
But it kept the clock rolling. The Seahawks then punted, and Denver was set up in decent position after the short punt. The Broncos have had a miserable game thus far. Peyton Manning has thrown two interceptions, they allowed a kickoff return for a touchdown, the first play of the game was a safety and they failed to convert a 4th down in Seattle territory to end the first half. They'll need to get something going sooner rather than later just to make this respectable.