I'd love to see him continue. As far as entertainment value, a lot of people aren't impressed. I on the other hand, like to watch him box. It'd be...
Toss up between Khan and Cotto. Even then I don't think either of them trouble Mayweather too much.
That's a bit of an exaggerated opinion.
I don't think Floyd can be considered the best ever until he moves up a weight class.
