Answer
The answer is Joe Bernstein. Young Griffo, born Ercole Prior, was a renowned Italian-American boxer who had a prolific career in the late 19th and early 20th centuries. In his illustrious boxing journey, Griffo faced various notable opponents, one of whom was Joe Bernstein. Bernstein was a formidable featherweight contender during that era, known for his skills and fierce competitive spirit.