Sugar Ray Leonard is considered as the greatest boxer ever for pound to pound boxer.
Sugar Ray Robinson was a late boxer, he was considered as the greatest boxer ever pound for pound.
Most boxing experts say he was the Greatest Boxer Pound for Pound that ever lived.
No, The best Boxer of all time is wladimir klitschko
Best boxer ever.
The American boxer named Chad Dawson was born in Hartsville, South Carolina on July 13, 1982. In 2012 he was considered the 10th best boxer on a pound for pound ranking.
Since Sugar Ray Robinson is considered as the best boxer ever, I would say Muhammad Ali comes close to him.
that is opinion, so there is no right answer.
Grandmaster Israel C. Ortiz