Hall of Famer Mike Piazza has his No. 31 retired by Mets
Mike Piazza's post-9/11 home run lifted New York, nation
Mike Piazza's post-9/11 home run lifted New York, nation
Mike Piazza praises Mets fans, father, 9/11 first responders in emotional Hall of Fame speech – New York Daily News
Piazza Post 9/11 Home Run
Hall of Famer Mike Piazza has number retired by Mets
Mike Piazza praises Mets fans, father, 9/11 first responders in emotional Hall of Fame speech – New York Daily News
Ken Griffey Jr and Mike Piazza's Hall of Fame plaques : r/baseball
Mike Piazza, with one swing, gave grieving city a moment to rejoice after 9/ 11 – New York Daily News
Hall of Fame Plaques of Mike Piazza and Ken Griffey Jr. Are a Hit - The New York Times
9/21/01 - Mike Piazza's Legendary Post-9 11 Home Run
Mike Piazza 'honored' post-9/11 homer for Mets will live on
Mike Piazza and Ken Griffey Jr. Enshrined at Cooperstown - The New York Times