At one point in his career Sugar Ray Robinson was 128-1-2. Even Ali will tell you Sugar Ray was the best of all time. Hands down.
oh i think a mr floyd mayweather jr would disagree.

http://www.youtube.com/watch?v=DBVNXtxvPuo

he's better than all of em (apparently). he's faught and beat the best his whole carear (ha ha ha ha).