George Costanza is working with the New York Yankees again.

Jason Alexander , who played George on “Seinfeld,” is modeling a line of Yankees clothing in a campaign for fashion brand Kith, sporting a variety of hats and jackets.

Fans of “Seinfeld” will recall that George worked with the Bronx Bombers as assistant to the traveling secretary during a portion of the show’s run, which featured him getting into a wide range of comical exploits, including promising his secretary a raise that resulted in her making more money than him, inadvertently convincing late owner George Steinbrenner there was a bomb in Yankee Stadium and changing the quality of the team’s uniforms for the worse.

Kith stated on its website that the collection, which becomes available on Sept. 26, is “dedicated to the

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