We've found the answer, the blue alternate jersey : r/NewYorkMets

NFT: Mets vs Yankees: Game 2 - 7:10 pm ET - Mets Fans thread ONLY

MLB trade deadline winners, losers: Mets give up on World Series dream

New York Mets Blue MLB Jerseys for sale

Bad baseballs? New York Mets angry after rash of HBPs

Why can't the Dodgers win in October? They'll search for answers during a long winter

Last Friday, the Mets had auctioned off the 9/11 jerseys they wore this year, with the proceeds going towards 9/11-related charities. To the regret of my wallet, I actually was able to

As someone who loves obscure Mets, I'm happy to say I'm the proud owner of a Dae-sung Koo jersey! : r/NewYorkMets

NY Mets Show Off Two New Blue Alternate Jerseys – SportsLogos.Net News

How the Mets honored 9/11 heroes amid the coronavirus pandemic

Last Friday, the Mets had auctioned off the 9/11 jerseys they wore this year, with the proceeds going towards 9/11-related charities. To the regret of my wallet, I actually was able to

New York Mets on X: Our primary home jersey will be white with royal blue pinstripes. Here's a look at all of our jerseys for 2015. / X