As worn on-field by the players on their left sleeve.
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://cdn.theathletic.com/app/uploads/2020/05/01081029/GettyImages-467343988-scaled.jpg)
The inside story of when the Mets wore black - The Athletic
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://fanatics.frgimages.com/new-york-mets/mens-nike-jacob-degrom-black-new-york-mets-2022-alternate-replica-player-jersey_pi4372000_ff_4372090-396ec411d5bd01d2eb83_full.jpg?_hv=2&w=340)
Official Jacob deGrom Jersey, Jacob deGrom Shirts, Baseball
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://nypost.com/wp-content/uploads/sites/2/2022/07/newspress-collage-23194893-1658788488274.jpg?quality=75&strip=all&1658774158&w=1200)
Red Sox reach $170 million jersey-patch deal, Mets also interested
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://media.bleacherreport.com/image/upload/v1666028606/lz9tv58tsbfjymr3gqs0.jpg)
The Definitive 2022 MLB Jersey Power Rankings
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://static.wikia.nocookie.net/thedaillymet/images/7/7d/RJones2.jpg/revision/latest/scale-to-width-down/250?cb=20120723011023)
Logos and uniforms of the New York Mets, New York Mets Wiki
Collectors patch Measures approximately 2.75 inches by 4 inches Semi-hard backing, sew to make permanent
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://m.media-amazon.com/images/I/71mZEfy6IDL._AC_UF1000,1000_QL80_.jpg)
Emblem Source New York Mets NY Jersey Sleeve MLB Logo Patch Officially Licensed
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://images-na.ssl-images-amazon.com/images/I/71mZEfy6IDL._AC_UL210_SR210,210_.jpg)
Emblem Source New York Mets NY Jersey Sleeve MLB Logo
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/1993-94-mets-uni.svg/300px-1993-94-mets-uni.svg.png)
Logos and uniforms of the New York Mets - Wikiwand
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://content.sportslogos.net/news/2021/03/new-york-mets-black-logo.png)
Mets Announce Black Uniforms Return July 30, Five Times in 2021
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://nypost.com/wp-content/uploads/sites/2/2021/03/Pete-Alonso-3.jpg?quality=75&strip=all&w=1024)
These old Mets alternate jerseys are returning
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://i.ebayimg.com/images/g/BZwAAOSwu9Vg9Fii/s-l500.jpg)
New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://a3.espncdn.com/combiner/i?img=%2Fphoto%2F2021%2F0614%2Fr867383_2_1296x729_16%2D9.jpg&w=570&h=321&format=jpg)
Ranking MLB's City Connect uniforms - ESPN
![New York Mets Alternate Road Black Round Sleeve Jersey Patch (Blue Border)](https://content.sportslogos.net/news/2015/10/mets-black-98.jpg)
New York Mets Logo and Uniform History – SportsLogos.Net News