Mets to retire Mike Piazza's No. 31 jersey this season – New York Daily News
Mike Piazza's emotional post-9/11 home run Relive that unforgettable night in Queens
Remembering 9/11: When the Mets Helped Us Heal - Metsmerized Online
As America Grieved, Sports Helped Console a Nation - The New York Times
Mike Piazza: Look back at catcher's Hall of Fame career - Sports Illustrated
Memories of first Mets game after 9/11, Mike Piazza's home run
OTD 2000: Piazza-Clemens Feud Overtakes Subway Series - Metsmerized Online
Piazza, Mike Baseball Hall of Fame
The Mets Welcome Mike Piazza Home and Give His Jersey a Spot in History - The New York Times