NYC marks 20th anniversary of Sept. 11 attacks
20th Anniversary of 9/11 Tribute Jerseys and Caps. : r/NewYorkMets
Watch Live 9/11 Ceremonies & Coverage Commemorating September 11, 2001 – Deadline
Mets, Yankees and more pay tribute on 9/11 20th anniversary
How Sports World, Teams Plan to Honor 20th Anniversary of 9/11 – NBC New York
PHOTOS: Yankees, Mets honor 20th anniversary of 9/11 with emotional ceremony at Citi Field
Mets, Yankees offer emotional tributes 20 years after 9/11 in Subway Series
How Sports World, Teams Plan to Honor 20th Anniversary of 9/11 – NBC New York
Fox Sports Merges Remembrance, Broadcast Technology for Mets-Yankees on the 20th Anniversary of 9/11