The Chicago White Sox are a Major League Baseball team located in Chicago, Illinois. The White Sox play in the American League's Central Division. Since 1991, the White Sox have played in U.S. Cellular Field, which was originally called New Comiskey Park and nicknamed The Cell by local fans. The White Sox are one of two major league clubs based in Chicago, the other being the Chicago Cubs of the National League. The White Sox last won the World Series in 2005 when they played the Houston Astros and swept them in four games.