New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)

As worn on-field by the players on their left sleeve.

Mets Announce Black Uniforms Return July 30, Five Times in 2021 – SportsLogos.Net News

New York Mets fans horrified as team's new sleeve advertisement unveiled: That's the worst patch you could have possibly come up with

MLB Jersey & Cap History

Bill Henderson: The Game Worn Guide to MLB Jerseys / The Dream Shop

Logos and uniforms of the New York Mets, New York Mets Wiki

Logos and uniforms of the New York Mets, New York Mets Wiki

The Cycle, Issue 6: The Platonic Ideal of a Baseball Uniform

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Logos and uniforms of the New York Mets, New York Mets Wiki

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Stitch New York Mets Baseball Jersey - Worldwide Shipping