Definition that contains middleweight
- robinson United States prizefighter who won the world middleweight championship five times and the world welterweight championship once (1921-1989)
- ray robinson United States prizefighter who won the world middleweight championship five times and the world welterweight championship once (1921-1989)
- sugar ray robinson United States prizefighter who won the world middleweight championship five times and the world welterweight championship once (1921-1989)
- walker smith United States prizefighter who won the world middleweight championship five times and the world welterweight championship once (1921-1989)