Mike Piazza recalls first Mets game in NYC after 9/11
Mets, Yankees to wear first responder caps for 9/11 remembrance game vs. Yankees
MLB rejects Mets' first responder hats - Newsday
Mike Piazza appreciates Pete Alonso keeping 9/11 traditions - Newsday
Mets Yankees first responder caps September 11
NY Mets in remembrance of 9/11
9/11 remembered in emotional scene at Mets-Yankees game
Yankees and Mets Wear NYPD, FDNY Hats and 9/11 Patch to Honor First Responders – NBC New York
Mets, Yankees wear NYPD, FDNY hats on 9/11/2020
Mets, Yankees to wear first responder caps for 9/11 remembrance game vs. Yankees
NYPD defeats FDNY in Battle of the Badges game at Citi Field –