Hes a great warriror who has skill who isnt afraid to lay it on the line agaibst anyone. Thats where i rank him.
Its kinda weak to judge by belts won against champions and whatnot, as that is just a bunch of political b.s.. Miguel cotto has had a great career, beating many undefeateds, many people who were past/and or became champions, etc. And yes, cotto beat mosley, when mosley still had some fight in him.
Obviously cotto has a a few losses, one to plasterito, and the other two to two of the greatest fighters our generation (possibly any generation) has seen. One of those fights he had a piss poor gameplan and eventually got ran over after making the fight competitive in the first half, and the other fight was a well contested fight where he gave mayweather a run for his money.