an Entity references as follows:
Dave Johnson (born May 25, 1941) is an American announcer and sportscaster, best known for his work in horse racing with ABC and NBC Sports and at various race tracks in New York and New Jersey. His signature line — "And down the stretch they come!" — is instantly recognizable throughout the sport, and is often imitated by comedians, notably David Letterman. Johnson called the Kentucky Derby for ABC Sports from 1978 to 1980 and 1987 to 2000, and the Preakness Stakes and Belmont Stakes from 1987 to 2000.