Question: Sparring with Hemingway was a book that included bouts with the undisputed champion of what weight class from 1980 to 1987?
Sentence (from "Marvelous Marvin Hagler"): In 1982, annoyed that network announcers often did not refer to him by his nickname, "Marvelous", Hagler legally changed his name to Marvelous Marvin Hagler.
Relevant evidence: No