It appears the Cincinnati mayor is taking Travis Kelce's advice by knowing his role and shutting his mouth ... 'cause Aftab Pureval just helped the Bengals announce their Week 17 matchup with the K.C. Chiefs -- and poked fun at his misfired trash talk in the process.
The team just dropped the funny clip on Wednesday ... showing newly-acquired offensive tackle Orlando Brown helping him record the promo inside his office.
"The Bengals play the Chiefs Week 17 ... and I've got nothing else to add," Pureval said in the clip.