Mets-Yankees hold 9/11 ceremony honoring first responders
Mike Piazza, Mets honor 9/11 fallen, first responders: 'Part of who we are
Firefighters honor legacy of their FDNY parents killed on 9/11
Yankees, Angels remember Sept. 11 before game
Mets, Yankees wear NYPD, FDNY hats on 9/11/2020
Why MLB's refusal to let Mets wear 9/11 first responder hats is wrong, and how situation can be rectified
Mike Piazza recalls first Mets game in NYC after 9/11
9/11 survivor advocate John Feal to add 293 names to L.I. memorial
MLB - The New York Yankees and New York Mets honor first
Sept. 11 Attack 20th Anniversary: Live Updates: With Bowed Heads, Americans Reflect on 9/11 and Its Aftermath - The New York Times
George W. Bush part of MLB's 9/11 anniversary tribute
How the Mets honored 9/11 heroes amid the coronavirus pandemic
Mets, Yankees to wear first responder caps for 9/11 remembrance game vs. Yankees