Chicago radio station WGN (720 AM) has been the longtime broadcast home of the Chicago Cubs. They also broadcast Chicago White Sox games from 1927 to 1943 with broadcaster Bob Elson and later Jack Brickhouse.
Chicago television station WGN' (Channel 9) has been the longtime TV home of the Cubs. They have also aired Sox games at various times throughout the last 60 years.
Both the television and radio station are owned by the Tribune Company, who also own the Cubs. The call letters WGN is an acronym for World's Greatest Newspaper.