Mets to wear hats honoring 9/11 first responders, Pete Alonso says
Mets 9/11 cleats: New York Mets score 9 runs off 11 hits to win against Arizona Diamondbacks on anniversary of September 11 attacks - CBS News
Mets to wear regular uniform hats for Sept. 11 game
Mets-Yankees hold 9/11 ceremony honoring first responders
Mets to wear hats honoring 9/11 first responders, Pete Alonso says
Mets collect 9 runs, 11 hits on 9/11 anniversary - ABC7 New York
Mike Piazza, Mets honor 9/11 fallen, first responders: 'Part of who we are
Why MLB's refusal to let Mets wear 9/11 first responder hats is wrong, and how situation can be rectified
9/11: Yankees, Mets toe line together as one unified New York - Sports Illustrated
NY Mets to wear first responder caps during a game on 9/11