Somber Sept. 11 marked at New York Mets-Yankees matchup, US Open
Mets-Yankees Subway Series weather: Will rain wash out Monday's game? Updated Yankee Stadium forecast
Mets, Yankees to have fans as NY relaxes rules for sports, concert venues
For First Time, Yankees and Mets Will Open Season at Home on Same Day - The New York Times
New Stadiums: It's Going, Going Hey, Did You See Where It Went? - The New York Times
Citi Field, Yankee Stadium allowed to bring in more fans: Governor Cuomo
How Technology Can Turn the New York Mets Into World Series Champions
Yankees come back to beat Mets in season's first meeting
How Many Fans Will Be Allowed at Major League Baseball Games This Season? – SportsTravel
Unvaccinated Mets and Yankees Players Can't Play in New York - The New York Times
N.Y. Mets will not be holding Old-Timers' Day this season