By Mitchell Forde The smack talk prior to Sunday’s AFC Championship Game matchup between the Kansas City Chiefs and Cincinnati Bengals has been off the charts. It hasn’t just been fans of the two sides, which met in the game a year ago, with the Bengals defeating the Chiefs, that have exchanged barbs in the days leading up to the game, but players and even politicians. Aftab Pureval, the mayor of Cincinnati, went viral Friday after he proclaimed Sunday “They Gotta Play Us Day” in his city. In the process, he took a major shot at Patrick Mahomes, writing that Joe Burrow has been asked by city o…