The Cubs–White Sox rivalry (also known as the Crosstown Classic, The Windy City Showdown, Chicago Showdown, Red Line Series, North-South Showdown, Halsted Street Series, City Series, Crosstown Series, Crosstown Cup, or Crosstown Showdown) refers to the Major League Baseball (MLB) geographical rivalry between the Chicago Cubs and the Chicago White Sox. The Cubs are a member club of MLB's National League (NL) Central division, and play their home games at Wrigley Field, located on Chicago's North Side. The White Sox are a member club of MLB's American League (AL) Central division, and play their home games at U.S. Cellular Field, located on Chicago's South Side.