Twenty Years Later, Mike Piazza's Dramatic Post-Sept. 11 Home Run
Steve Karsay on Mike Piazza's post-9/11 home run
With Two Homers, Emotions Go Deep for Ken Griffey Jr. and Mike Piazza - The New York Times
Re-live Mike Piazza's emotional home run in New York's first MLB game after 9/11
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Mike Piazza's post-9/11 homer helps NY heal
9/21/01 - Mike Piazza's Legendary Post-9 11 Home Run
Mike Piazza's post-9/11 home run remains memorable to New York City 20 years later
Mike Piazza hits 2-run homer to lift Mets past Braves in first game following 9/11 – New York Daily News
Mike Piazza recalls first Mets game in NYC after 9/11
Hall Of Fame Flashback: Mike Piazza — College Baseball, MLB Draft, Prospects - Baseball America
Howie Rose remembers calling Mike Piazza's emotional HR after 9/11, 9/11: The Mets Remember
20 years later, the enduring legacy of the Mike Piazza home run - ESPN
Mike Piazza's post-9/11 home run lifted New York, nation
September 21, 2001 — First Game After 9/11, by New York Mets
Mike Piazza recalls first Mets game in NYC after 9/11