Mets, Yankess don NYPD, FDNY hats, honor Sept. 11 first responders
Mets, Yankees wear NYPD, FDNY hats on 9/11/2020
Former Mets pitcher John Franco recalls how baseball lifted NYC after 9/11, Tuesdays Children
NY Yankees, Mets unite on 20th anniversary of 9/11
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9/11 tributes in football, baseball – Orange County Register
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Bleacher Report] Yankee hats for tonight : r/NYYankees
MLB commemorates 9/11 anniversary with ballpark ceremonies
9/11 tributes in football, baseball – Orange County Register
Mets wear FDNY, NYPD hats, 09/11/2020
End of a somber journey: Watch as Frank Siller completes 500-mile walk on Sept. 11