Dee Gordon's home run was the perfect tribute to Jose Fernandez
Mike Piazza's post-9/11 home run remains incredibly memorable
Piazza's First Mets Home Run
AP source: Mets to host Yankees on 20th anniversary of 9/11
Mike Piazza hits his 400th career home run
Ken Griffey Jr. and Mike Piazza Trot Into Baseball Hall of Fame - The New York Times
Mets' Mike Piazza hit iconic 9/11 home run 15 years ago Wednesday (VIDEO)
20 years later: Ex-Braves reflect on first game in New York after 9/11
OTD 2001: Mike Piazza's Home Run for New York City - Metsmerized Online