Mets, Yankees and more pay tribute on 9/11 20th anniversary
Mike Piazza returns to enter Mets Hall of Fame as chilly relationships begin to thaw – New York Daily News
Mike Piazza and Ken Griffey Jr. Enshrined at Cooperstown - The New York Times
This Day in Braves History: Baseball returns after 9/11 Tragedy - Battery Power
Italian Coaches Convention – mlbblogger
Mike Piazza, Chipper Jones + others remember Piazza's post 9/11 HR, 9/11: The Mets Remember
Mike Piazza's post-9/11 home run lifted New York, nation
Mike Piazza returns to enter Mets Hall of Fame as chilly relationships begin to thaw – New York Daily News
New York Mets Hall of Famer Mike Piazza talks Tom Seaver, expectations for 2022 Mets
Events — James Fiorentino
New York Mets Hall of Famer Mike Piazza talks Tom Seaver, expectations for 2022 Mets
MMO Exclusive: Hall of Fame Catcher, Mike Piazza - Metsmerized Online