Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform
Yankees-Mets 9/11 ceremony to feature Joe Torre, Bobby Valentine, Mike Piazza; Giants, Jets to honor 20th anniversary of terrorist attacks
20th Anniversary of 9/11 Tribute Jerseys and Caps. : r/NewYorkMets
Sept. 11 Attack 20th Anniversary: Live Updates: With Bowed Heads, Americans Reflect on 9/11 and Its Aftermath - The New York Times
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Yankees honor 9/11 heroes 20 years later
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Mets, Yankees to wear first responder caps for 9/11 remembrance game vs. Yankees
The 1996 Yankees had more grit, guts and glory than the '86 Mets: That's Debatable – New York Daily News
Yankees honor 9/11 heroes 20 years later
