History of baseball in the United States - Wikipedia
Mike Piazza Post-9/11 Home Run Jersey at Auction
Selection of Don Doxsie's columns and other stories from recent years
Mets have discussed Mike Piazza's 9/11 jersey with auction house but have not made an offer yet – New York Daily News
mike piazza Values - MAVIN
Mets have discussed Mike Piazza's 9/11 jersey with auction house but have not made an offer yet – New York Daily News
Mike Piazza 'very disappointed' Mets sold post-9/11 HR jersey that is up for auction
mike piazza Values - MAVIN
Mets have discussed Mike Piazza's 9/11 jersey with auction house but have not made an offer yet – New York Daily News
Mike Piazza upset over auction of jersey he wore after 9/11 - Sports Illustrated