Considering that Leonard fought mostly at welterweight its hard to compare him against Jones, thats the first thing. And if you look at Jones accomplishments, he has already done more than enough to go down in history as one of the best. The one thing he lacks is that classic battle that Leonard,Duran,Hearns,Hagler,Cuevas,Robinson,Lamotta,Chavez,Whittaker all had. His toughest fight and loss he avenged in a crushing KO. The Hopkins fight was almost 10 years ago now, and he fought it with one arm. I am not a huge Jones fan, but you cant take anything away from him or what he has already done in his career. He makes all the other fighters look ordinary.