NY Yankees, Mets unite on 20th anniversary of 9/11
Why MLB's refusal to let Mets wear 9/11 first responder hats is wrong, and how situation can be rectified
MLB commemorates 9/11 with ballpark ceremonies
Mets Yankees first responder caps September 11
20 years later, the enduring legacy of the Mike Piazza home run - ESPN
How the Mets honored 9/11 heroes amid the coronavirus pandemic
Mets Not Allowed to Wear Hats Honoring NYPD, FDNY, But Joe Torre Says Decision Is Not 'A Lack of Respect'
Ex-Met David Wright thrilled to be commish for NYPD-FDNY clash
How the Mets honored 9/11 heroes amid the coronavirus pandemic
Mets, Yankees to remember 9/11 20 years later
Mets recognize 9/11 20 years later in pregame ceremony