Mets, Yankess don NYPD, FDNY hats, honor Sept. 11 first responders
End of a somber journey: Watch as Frank Siller completes 500-mile walk on Sept. 11
MLB commemorates 9/11 anniversary with ballpark ceremonies - ESPN
Yankees honor 9/11 with hats, 09/11/2020
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George W. Bush part of MLB's 9/11 anniversary tribute
Ex-Met David Wright thrilled to be commish for NYPD-FDNY clash
Former Mets pitcher John Franco recalls how baseball lifted NYC after 9/11, Tuesdays Children
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We Shall Not Forget (Provided You Pay)
Ex-Met David Wright thrilled to be commish for NYPD-FDNY 'Battle of the Badges
Yankees and Mets Wear NYPD, FDNY Hats and 9/11 Patch to Honor First Responders – NBC New York
Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform Tributes – SportsLogos.Net News
Mets wearing first responder hats for 9/11 game
20th anniversary of terrorist attacks marked by NY teams
Mets and Yankees to honor first responders on 20th anniversary of 9/11