[1] On October 29, the team hired former Oakland Athletics, San Diego Padres and MLB executive Sandy Alderson to replace Minaya as general manager.

In December 2010, Mets owner Fred Wilpon was named in a lawsuit filed on behalf of the victims of Bernie Madoff's Ponzi scheme and on January 28, 2011 Wilpon issued a statement in which he intends to seek "one or more strategic partners" to buy a 20 to 25% interest in the Mets to offset pending losses due to litigation.

[5] After seeing limited action in spring training following a 2010 knee injury, Carlos Beltrán started on opening day and played the full game.

The Mets' Daniel Murphy was batting as a pinch-hitter against Phillies' reliever Ryan Madson when the fans started chanting "U-S-A!"

in response to the news that Osama bin Laden, the mastermind of the September 11 attacks, had been killed by US Special Forces in Abbottabad, Pakistan.

[10] Appropriately, the Mets hosted a Sunday night game on ESPN on September 11 to mark the tenth anniversary of the attacks.

On July 12, the Mets dealt closer Francisco Rodríguez to the Milwaukee Brewers for cash and Adrian Rosario and Danny Herrera.

[13] On July 27, the Mets agreed to trade Carlos Beltrán to the San Francisco Giants for minor league pitching prospect Zack Wheeler.