The Kansas City Chiefs enter Super Bowl LIV in Miami as a small betting favorite over the San Francisco 49ers. The Chiefs beat the Tennessee Titans in the AFC Championship Game on Sunday to advance to the Super Bowl for the first time in 50 years, while the 49ers earned a convincing NFC Championship Game victory over the Green Bay Packers. LIVE stream the Celtics all season and get the latest news and analysis on all of your teams from NBC Sports Boston by downloading the My Teams App.