mascot Mr. Met during a Citi Field photo opp — and now fuming fans are blaming Hizzoner for squeezing the mojo out of the Amazins.

The battered fan base has been left singing “Meet the Mess” as it gets late early for the team, which has limped to a 7-15 record despite a $381 million payroll, and is now in the midst of an 11-game losing streak that includes 10 straight losses since Mamdani embraced Mr. and Mrs. Met on April 9.