For only the 2nd time in the last 20 years has the top 2 seeds made it all the way to the Super Bowl. In 47 tries, no quarterback has EVER won a Super Bowl with 2 different teams. Denver set an NFL record scoring 606 points in the regular season, averaging 37.9 PPG & 457 YPG. The last 5 teams that broke single-season scoring records went a perfect 0-5 SU in the Super Bowl. Also the past 7 times a team played 2 games in a row at home and then was installed as Super bowl favorites, that team has gone a perfect 0-7 ATS.
Denver hasn't faced a mobile QB who can run this year.
75% of the public likes Denver because of Manning. First let's not forget the Manning does not play well in cold weather, and remember this game is going to be played outside in 30 degree temps by kickoff. This is a real tough place to throw the ball in adverse weather conditions and wind as Manning doesn't have a strong arm and his plays are based on timing and accuracy which the cold and wind will hamper.
Plus let's not forget they will be facing the #1 defense in the entire league. How I see it is that I feel the Seahawks will get pressure on Manning rushing just 4 and put back 7 in coverage and this will frustrate and throw Manning's timing off all game long. I'll take Seattle here plus the 2.5-3 points on Sunday.

4 prop plays I like.
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Total Receptions - Knowshon Moreno (DEN) UNDER 3 -115

Will Knowshon Moreno (DEN) score a TD in the 1st Half? NO -220

Total Receptions - Wes Welker (DEN) OVER 5.5 -125