PHOTOS: Yankees, Mets honor 20th anniversary of 9/11 with emotional ceremony at Citi Field

Mets, Yankees offer emotional tributes 20 years after 9/11 in Subway Series

MLB, clubs to observe September 11 remembrance

Sept. 11 Attack 20th Anniversary: Live Updates: With Bowed Heads, Americans Reflect on 9/11 and Its Aftermath - The New York Times

9/11 remembered in emotional scene at Mets-Yankees game

Yankees honor 9/11 heroes 20 years later

Navy hosts Air Force as sports world remembers 9/11

Pregame ceremonies commemorating 9/11 were held at Citi Field before tonight's Subway Series matchup

Mets' Pete Alonso nearly delivers signature home run in loss to Yankees on 9 /11 anniversary

20 years after 9-11, Mike Piazza is still moved after dramatic Home Run

9/11 remembered in emotional scene at Mets-Yankees game