By Frankie Taddeo Kansas City and Los Angeles open as early favorites to win the AFC and NFC Championship games. The NFL Championship matchups are set after road underdogs absolutely crushed the divisional round. Three of the four road teams won and covered the spread. The Chiefs were the only favorite to protect their home field and cover and in the process, became the first team in NFL history to host four consecutive AFC Championship games. The Bengals opened the weekend with an upset victory as 4-point underdogs against the AFC’s No. 1 seed Titans. Cincinnati, +175 on the moneyline, earned…