Mets, Yankees and more pay tribute on 9/11 20th anniversary
Heartbreak and hope: Members of 2001 Mets reflect on their role in helping NYC recover from 9/11
New York City pauses to remember those killed in 9/11 terror attacks - CBS New York
Mets, Yankees come together to commemorate 9/11 anniversary - Newsday
NY Mets in remembrance of 9/11
Al Leiter Autographed 9/11 Memorial Jersey - Mets History
Mets to host 9/11 remembrance during game vs. Yankees on 20th anniversary
Michael Rosenberg: Flap over Mets' hats a window into how sports mark 9/11 tragedy - Sports Illustrated
Museum exhibit highlights impact of sports after 9/11
Yankees, Mets Honor New York First Responders Sunday, 21 years after 9/11 - Fastball
Here is the list of NYC events honoring 9/11 20th anniversary
Mets Miracle Helped Heal All Of America After 9/11
9/11 Memorial in New York
Remembering 9/11: When the Mets Helped Us Heal - Metsmerized Online