- Vin Scully
- United States (Los Angeles)
As of 23 September 2015, the longest career as a sports broadcaster for a single team is 65 years 5 months 22 days and was achieved by Vin Scully (USA) who has been broadcasting for the Los Angeles Dodgers since 1 April 1950.
Vin Scully began broadcasting for the Dodgers when they were known as the Brooklyn Dodgers. He moved to Los Angeles when the team moved at the beginning of the 1958 season.