The Chicago White Sox is a Major League Baseball team based in Chicago, Illinois. The White Sox play in the American League Central Division, and their home park is U.S. Cellular Field. They are familiarly known as The Sox, or the South Siders. The White Sox were the 2005 World Series Champions, beating the Houston Astros. This was only the franchise's third World Series championship, (following victories in 1917 and 1906).