Claim: Chicago White Sox competes in the American League.

The Chicago White Sox are an American professional baseball team based in Chicago , Illinois . The White Sox compete in Major League Baseball -LRB- MLB -RRB- as a member club of the American League -LRB- AL -RRB- Central division . The White Sox play their home games at Guaranteed Rate Field , located on the city 's South Side . They are one of two major league clubs in Chicago ; the other is the Chicago Cubs , who are a member of the National League -LRB- NL -RRB- Central division . The team is currently owned by Jerry Reinsdorf .   One of the American League 's eight charter franchises , the Chicago team was established as a major league baseball club in . The club was originally called the Chicago White Stockings , but this was soon shortened to Chicago White Sox . The team played home games at South Side Park before , in , moving to Comiskey Park for the next eight decades .   The White Sox won the 1906 World Series with a defense-oriented team dubbed `` the Hitless Wonders '' , and the 1917 World Series led by Eddie Cicotte , Eddie Collins , and Shoeless Joe Jackson . The 1919 World Series was marred by the Black Sox Scandal , in which several members of the White Sox were accused of conspiring with gamblers to fix games . In response , Major League Baseball 's new Commissioner Kenesaw Mountain Landis banned the players from Major League Baseball for life . In 1959 , led by Early Wynn , Nellie Fox , Luis Aparicio and manager Al Lopez , the White Sox won the American League pennant . They won the AL pennant in 2005 , and went on to win the World Series .