MLB commemorates 9/11 anniversary with ballpark ceremonies
Mike Piazza appreciates Pete Alonso keeping 9/11 traditions - Newsday
9/11 remembered in emotional scene at Mets-Yankees game
Joe Dowd: Clueless MLB needs to rethink Mets' 9/11 tribute
Logos and uniforms of the New York Mets - Wikipedia
Mets unveil uniforms to be worn on anniversary of 9/11
We Shall Not Forget (Provided You Pay)
Mike Piazza, Mets honor 9/11 fallen, first responders: 'Part of who we are
Joe Torre defends MLB's rejection of Mets commemorative 9/11 hats, says league policy is unlikely to change
Yankees honor 9/11 with hats, 09/11/2020
Mets, Yankees wear NYPD, FDNY hats on 9/11/2020
How Sports World, Teams Plan to Honor 20th Anniversary of 9/11 – NBC New York
Yankees' Gerrit Cole tells his 9/11 story after blanking Orioles in NYPD cap