Cassius Clay, 1960: he (allegedly) threw his gold medal into the river.
George Foreman, 1968: he captured the heart of a nation by waving a tiny American flag.
Sugar Ray Leonard, 1976: he taped a photo of his girlfriend to his sock.
Oscar De La Hoya, 1992: he dedicated his Olympic triumph to his late mother.
Joe Frazier, 1964: he fought with a broken thumb.
Ultra-talented bantamweight Shakur Stevenson, one of the best boxers to have represented America in the Olympics for a number of years, lost out on a gold medal in Rio – dropping a close split decision to Cuban Robeisy Ramirez. Scores were 29-28 twice for Ramirez, now a two-time Olympic gold winner, and the same score on the third card for the 19-year-old.