Some numbers for you all (from Football Outsiders) to put in to the hopper and part of what I'm basing my prediction upon ...
Eagles Offense ….
Has scored an average of 31.25 Points/Game this year.
Has scored an average of 25 Points/Game vs. the 3 teams in the Top 10 Defense DVOA they have faced (Jaguars, 49ers, Cardinals)
Has scored an average of 25.2 Points/Game vs. the 5 teams in the Top 14 Defense DVOA they have faced (Jaguars, 49ers, Cardinals, Texans, Packers)
Eagles Defense …
Has allowed an average of 22 Points/Game this year.
has allowed an average of 31.5 Points/Game vs. the only 2 teams in the Top 10 Offense DVOA that they have faced (Packers and Cowboys)
They have faced only 3 teams whose offenses rank in the top 15 in DVOA (Colts, Packers, and Cowboys)
Seahawks Defense …
Has allowed an average of 18.4 Points/Game this year
Has allowed an average of 24 Points/Game vs. the 5 teams in the Top 10 Offense DVOA they have faced (Packers, Chargers, Broncos, Cowboys, and Chiefs)
Seahawks Offense …
Has scored an average of 24.8 Points/Game this year
Has scored an average of 22.5 Points/Game vs. the 4 teams in the Top 10 Defense DVOA they have faced (Broncos, Rams, Cardinals, 49ers)
Seahawks Defense DVOA [7th (-8.0)]
Seahawks Offense DVOA [11th (9.6)]
Eagles Offense DVOA [14th (-0.7)]
Eagles Defense DVOA [5th (-11.9)]
Sources:
http://www.footballoutsiders.com/stats/teamdef
http://www.footballoutsiders.com/stats/teamoff
Based upon that, I’m calling it …
Seahawks 27
Eagles 24