No word yet on how Mets fans feel about the mayor’s bold prediction:

Philadelphia Mayor Michael Nutter suited up in Yankee pinstripes yesterday after his team was routed by the Bronx Bombers in the World Series — although it was for a good cause.

Nutter’s shirt bore No. 55 — in honor of Series MVP Hideki Matsui — when he painted some hallways at IS 131 in The Bronx. The paint job at the Soundview school was the price Nutter paid for losing his World Series bet with Mayor Bloomberg.

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Mayor Bloomberg was also wearing a Yankee jersey — No. 27, signifying the Bombers’ 27th world championship.

“I’m looking forward to having Mayor Nutter here next year, painting another school,” he said.