Mike Piazza on remembrance of September 11th, Mets Pre Game
Mets, Yankees to wear first responder caps for 9/11 remembrance game vs. Yankees
Mets, Yankees, New York fans commemorate 20th anniversary of 9/11
Group Buys Mike Piazza's 9/11 Jersey and Will Make a Gift of It - The New York Times
Mets, Yankees to remember 9/11 20 years later
Post-9/11 Piazza Mets Jersey on Display at 9/11 Memorial Museum
Fox Sports Merges Remembrance, Broadcast Technology for Mets-Yankees on the 20th Anniversary of 9/11
Pete Alonso wasn't about to let MLB stop his 9/11 tribute
Museum Commissions 9/11: A Time of Remembrance
Mets, Yankees offer emotional tributes 20 years after 9/11 in Subway Series
Steven Matz #32 - Game Used Blue Hat - 9/11 Remembrance Patch - Mets vs. Marlins - 9/11/18