The Chicago Bulls are an American professional basketball team based in Chicago. The Bulls compete in the National Basketball Association as a member of the league's Eastern Conference Central Division. The team was founded on January 16, 1966, and played its first game during the 1966–67 NBA season.

The Chicago White Sox are an American professional baseball team based in Chicago. The White Sox compete in Major League Baseball as a member club of the American League Central division. The team is owned by Jerry Reinsdorf, and plays their home games at Guaranteed Rate Field, located on Chicago's South Side.

The Chicago Bears are a professional American football team based in Chicago. The Bears compete in the National Football League as a member club of the league's National Football Conference North division.

The Chicago Blackhawks are a professional ice hockey team based in Chicago. The Blackhawks compete in the National Hockey League as a member of the Central Division in the Western Conference and have won six Stanley Cup championships since their founding in 1926.