Where a fighter was defeated...but went on to accomplish, and be judged greater than the fighter who beat him...(no rematches) :think
mandell v mclarnin barkley vs hearns (confirmed in rematch) benitez v duran laing v duran lots of other people v duran tarver v jones (also confirmed in rematch)
Most of these were not fighters who went on to be better then the one beating them, but fighters who were already toward the end of their careers and past their primes.
A blond bomber named Jock Leslie kod a young guy named Sandy saddler in 1944. Saddler became a great featherweight champion by defeating Willie Pep...Jock Leslie had a good career, and was later kod by some chap named Willie Pep...And so the wheel turns...