It's the No. 1 defense against the No. 1 offense in Super BowlXLVII, as the NFC Champion Seattle Seahawks meet the AFC Champion Denver Broncos.

The NFC has covered five of the last six Super Bowls, while underdogs are also on a 5-1 against-the-spread run in those games and have won four of them outright. All those scenarios point to a Seattle win if those trends repeat themselves on Feb. 2.

Defense wins championships and nobody does defense better than Seattle, though nobody does offense better than Peyton Manning.

Broncos vs. Seahawks point spread: Broncos opened as 1-point favorites; the total was 47.5. (Line updates and matchup report)

Odds Shark computer prediction: 34.8-33.6 Broncos

Why the Seahawks can cover the Super Bowl spread

Seattle's lock-down cornerback Richard Sherman and the team's power running back Marshawn Lynch are the keys to a win. While Lynch will help the Seahawks control the clock and keep the ball out of Denver's hands, Sherman will be tabbed with making things tough on the Broncos' explosive passing game.

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Seattle Seahawks vs. Denver Broncos: Super Bowl Spread Analysis and Prediction