New York Mets By mxblum Apr 11, 1962 First Opening Day Mets play the St. Louis Cardinals in St. Louis, lose 11-4 Apr 17, 1964 Mets move to Shea Stadium Mets lose to Pittsburgh Pirates 4-3 in their first game at Shea Oct 16, 1969 Mets win World Series Mets beat the Baltimore Orioles in 5 games to become the 1969 World Series champs