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Keith Hernandez to have his No. 17 retired by New York Mets on July 9
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Mets-Yankees hold 9/11 ceremony honoring first responders
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List of Central New York memorials, events marking the 20th anniversary of 9 /11 attacks
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9/11 anniversary: Live updates and tributes
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How Sports World, Teams Plan to Honor 20th Anniversary of 9/11 – NBC New York
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Here is the list of NYC events honoring 9/11 20th anniversary
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Mets announce plans to commemorate 9/11
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20th Anniversary of 9/11 ceremony before Subway Series
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How Sports World, Teams Plan to Honor 20th Anniversary of 9/11 – NBC New York
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40) Former Yankees and Mets managers describe how baseball helped nation heal after 9/11
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Mike Piazza suggests 9/11 national remembrance
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Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform Tributes – SportsLogos.Net News
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METS ANNOUNCE 9/11 REMEMBRANCE CEREMONY DETAILS, by New York Mets