He was 83 and no cause or location was given.
His death was confirmed by his daughter, Anne Morea Steingieser, to the New York Times.
An ex-Marine and former professional boxer, Young parlayed a bulldog countenance into a long Hollywood career.
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But it was withRockythat his star truly shined.
He began boxing when he was in the Marine Corps, and trained under legendary manager Cus DAmato.
He had a record of 17-1.
Young found a spark, and wound up studying with Strasberg for two years.
In addition to his daughter, Young is survived by a brother, Robert, and a grandson.
His wife, Gloria, died in 1974.
