There is a simple way to define what the Subway Series means to different generations of New York baseball fans.
* If you are 30 or younger, then just about all you know about local ball is that the Yankees and the Mets play each other every year — sometimes four times, sometimes six times (with the eternal wish for more in October), but starting Monday, for the 20th consecutive season, New York’s baseball teams will square off and divide the city into clashing shades of blue.