He was later the public relations director at various times for Garden State Racetrack and Atlantic City Race Course in New Jersey as well as the Tropical Park Race Track in Miami, Florida.
A major gambler from Cleveland, Ohio, Silberman was a former majority shareholder of the Cleveland Browns of the National Football League who had also owned Randall Park Race Track in North Randall, Ohio and the Painesville Raceway in Northfield, Ohio.
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