Seattle is 4-2 against the spread in its last six contests against Chicago.
This game figures to be a defensive standoff, as the Bears have the NFL's second-best defense in terms of points per game (15.9), while the Seahawks have the league's third-best defense in the same category (16.8).
Offensively, however, these teams aren't as identical. The Bears average 25.2 points a game, almost six points more than the 19.9 that Seattle averages.
Complicating matters for the Seahawks is a 1-6 record on the road this season.
The over/under for this game is sitting at 37.5 after opening at 38. In the last seven games between Seattle and Chicago, the game has gone over.
In the last 10 games played on grass the Seahawks are 2-8, while the Bears are 7-3. The surface at Soldier Field is grass.
NFL Week 13 Power Rankings (via sbnation)