Since 1997, the term Subway Series has been applied to interleague play during the regular season between the Yankees and National League New York Mets, who also played each other in the 2000 World Series.
Since 1997, the term Subway Series has been applied to interleague play during the regular season between the Yankees and New York City's National League (NL) team: the New York Mets. The Mets and Yankees also played each other in the 2000 World Series.