Being in a world all of your own like RJJ or PBF

[Purist]

What I'm saying is you don't necessarly need to have a long, drawn-out amateur career. Fighters that learn to box in prison are just an example. Most of them never even fought amateur. And some enjoyed very good careers.

Such as Bernard Hopkins?

Great example

Must be a different Bernard Hopkins, because Hopkins had an amateur career and could have made the Olympics before he went to the pen.