Mets to wear regular uniform hats for Sept. 11 game

Mets Reveal Their Plans For 20th Anniversary Of 9/11 This Weekend - Sports Illustrated New York Mets News, Analysis and More

Mike Piazza appreciates Pete Alonso keeping 9/11 traditions - Newsday

Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform Tributes – SportsLogos.Net News

Yanks past Mets on 9/11 anniversary

Mets will wear special uniforms to mark 9/11 anniversary

9/11: Yankees, Mets toe line together as one unified New York - Sports Illustrated

Mets, Yankess don NYPD, FDNY hats, honor Sept. 11 first responders

Back in Black: Mets Announce Black Uniforms Returning in 2021 – SportsLogos.Net News

Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform Tributes – SportsLogos.Net News

Mets, MLB agree team will wear first-responder caps only before game to honor 9/11 - Newsday

Mets collect 9 runs, 11 hits on 9/11 anniversary - ABC7 New York

How Sports World, Teams Plan to Honor 20th Anniversary of 9/11 – NBC New York

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