Clem McCarthy was an American sportscaster and public address announcer. He also lent his voice to Pathe News's RKO newsreels. He was known for his gravelly voice and dramatic style, a "whiskey tenor" as sports announcer and executive David J. Halberstam has called it.
As Halberstam's book Sports on New York Radio notes, McCarthy is considered one of horse racing's great callers, setting the stage for well-known voices from Cawood Ledford to Dave Johnson. He was the first public-address announcer at a major American racetrack, Arlington Park in Arlington Heights, Illinois.
In addition to being a race caller for racetracks and NBC Radio, he was a top boxing announcer, too. His most often replayed boxing sportscast is probably his NBC radio call of the 1938 Joe Louis-Max Schmeling rematch at Yankee Stadium:
Later that same year he called the famous Seabiscuit / War Admiral match race, including this phrase in the final stretch run, as Seabiscuit shocked the horse racing world by outrunning the heavily-favored War Admiral: