Free NFL Betting Odds & Picks for the Seattle Seahawks vs. Chicago Bears week 15 NFL matchup. The Seahawks are a 3.5 point underdog. The over/under is 35.5. The Hawks are an unflattering 2-4 SU and ATS in their last six games at Soldier Field. Brian Urlacher will look to contain the NFL’s hottest RB Marshawn Lynch, and Tarvaris Jackson who has now tossed at least one touchdown in his last four games.