The Bengals and Chiefs played a tight 23-20 game. CINCINNATI — The Bengals were involved in another massive TV audience mark this past weekend. According to CBS, Sunday’s 23-20 loss to Kansas City was the most-watched AFC Championship Game in four years. It averaged 53.1 million viewers. That mark is up 11% over last year’s game, which the Bengals won to punch a third Super Bowl trip in franchise history. Cincinnati’s season ended early, but don’t be surprised if they play in five primetime games next season, the maximum amount allowed per team. For more on the Bengals, watch the…