In Week 12, Kansas City opened as 9.5-point road favorite against the Las Vegas Raiders. The spread moved back and forth — finally settling at 10 points before kickoff — and the Chiefs won 31-17. Then the Chiefs opened as 6.5-point road favorites against the Green Bay Packers. The spread narrowed to six points before the Packers won 27-19 on “Sunday Night Football.”
The Bills will be coming off their bye week. In Week 11, they opened as 6.5-point home favorites against the New York Jets. That line increased to seven points before the game — which Buffalo won 32-6. Then the next week, the Bills opened as 3.5 road underdogs against the Philadelphia Eagles. The line narrowed to three points by game time — and Philadelphia emerged with a 37-34 victory.
According to DraftKings Sportsbook, Kansas City has opened as a 2.5-point favorite in the game.