1957

Late 1957 - Following the departure of Dodgers and Giants, NYC Mayor Robert F. Wagner appoints four-man committee to explore possibility of returning NL baseball to New York: former postmaster general James Farley, attorney Bill Shea, and businessmen Clint Blume and Bernard Gimbel.

1959

July 27 - New York attorney William Shea announces the formation of a third major league, the Continental League, to begin play in 1961. One of the charter teams for the league would be placed in New York.