By Frankie Taddeo Week 15 features all 32 teams in action and the Chiefs are the week’s biggest favorites against the Texans. Oddsmakers list six of the home teams in SI Sportsbook’s Perfect 10 contest as betting favorites for Week 15. Week 14 was a chalk Sunday in the NFL as favorites went 7-4 straight-up (SU) but underdogs ruled the week posting a 7-4 mark against the spread (ATS). The Texans (+17), Jets (+9.5) and Broncos (+8.5) all covered versus the number as heavy underdogs, while the Panthers (+165), Jaguars (+150), Ravens (+110) and Chargers (+140) all emerged with moneyline cashes at …