MLB finally gives Mets permission to wear NYPD, FDNY hats on anniversary of 9/11
Mets Yankees first responder caps September 11
Heartbreak and hope: Members of 2001 Mets reflect on their role in helping NYC recover from 9/11
New York Mets Hat Controversy: MLB Shows It's Still Completely out of Touch, News, Scores, Highlights, Stats, and Rumors
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Police, protest, pandemic and the end of the 9/11 era - ESPN
Pete Alonso on Mets wearing first-responder hats: 'I'm really, really happy about it' - Newsday
Sept. 11 Attack 20th Anniversary: Live Updates: With Bowed Heads, Americans Reflect on 9/11 and Its Aftermath - The New York Times
NYPD Commissioner Shea guarantees safety of city on 9/11 20th anniversary
Mike Piazza, Roger Clemens and the broken bat - Sports Illustrated
Roberto Clemente Award 2020 nominees
Mets will wear special uniforms to mark 9/11 anniversary
New York Mets set to share 9/11 anniversary with fans, Yankees
Why MLB's refusal to let Mets wear 9/11 first responder hats is wrong, and how situation can be rectified
Major League Baseball bans New York Mets from wearing FDNY, NYPD hats honoring Sept. 11 heroes
NY Mets To Wear FDNY, NYPD Caps During 9/11 Anniversary Game