Because it 's New York , and because Citigroup is such an enormous business in the New York area , it 's a perfect marriage for the New York Mets , '' said David Bialek , president at the ANC Sports Marketing division of ANC Sports Enterprises in Purchase , N.Y. As for the novelty of an advertiser 's name getting top billing in New York , '' I think fans are accustomed to this type of commercialization , '' Mr. Bialek said . ''