What boxer managed by Johnny Buckley was born Joseph Paul Zukauskas?
Johnny Buckley:  He guided Jack Sharkey, Lou Brouillard and Paul Pender to world boxing titles. Jack Sharkey:  He was born Joseph Paul Zukauskas (his birth surname is sometimes given as Cukoschay), the son of Lithuanian immigrants, in Binghamton, New York but moved to Boston, Massachusetts as a young man.
Jack Sharkey