The Seattle Seahawks will face the Denver Broncos in Super Bowl XVLIII after a fantastic night of NFL action.

Pete Carroll's Seahawks beat the San Francisco 49ers 17-23 in Seattle, while the New England Patriots fell to the Broncos 16-26 at Sports Authority Field at Mile High.

Most of the drama was to be found in the Pacific Northwest, where a potential game-winning drive by 49ers quarterback Colin Kaepernick ended in an interception with just 22 seconds remaining.

Kaepernick had rushed for 130 yards on 11 carries but key turnovers in the second half cost his side a chance of back-to-back Super Bowl appearances.

The winning interception owed much to the athletic ability of Seahawks All-Pro cornerback Richard Sherman.

And after the game, the Seahawks corner said he was surprised Kaepernick targeted him for the game-winner.

"Everybody in the stadium was surprised," Sherman said. "You throw that? It's insane. I'm thankful they keep doing it. I should have picked it, but there was some offensive interference [on Crabtree] and I knew it wouldn't be called."

He talks a good talk, and certainly let 49ers receiver Michael Crabtree know who won that particular battle after Sherman tipped Kaepernick's throw into the hands of linebacker Malcolm Smith to end the game.

In the earlier AFC Championship match-up, Peyton Manning put on a quarterback masterclass to guide the Broncos past Tom Brady's Patriots.

Manning threw for 400 yards and two touchdowns, while Brady managed 277 yards and one TD.

But the key for the Broncos was their dominant fronts - both offensive and defensive.

The offensive line gave Manning plenty of time to find his favourite targets - Demaryius Thomas profited to the tune of 134 yards and one touchdown - while the D-Line, led by Terrance Knighton - stuffed a previously rampant Patriots running game.

Manning is heading to his third Super Bowl, Russell Wilson his first - who will come out on top?

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