Chuvalo has overall size (if not girth), conditioning, and endurance. Probably a better chin too. I selected a decision victory, but George has just as good a chance to knock him out.
I'll bite. What does Fatty have to show Chuvalo? George is bigger, stronger, in better shape, faced tougher competition, never touched the canvas, and brave beyond measure.
Galento has more skill and will land the left hook at will. Galento also had a great chin and was brave.