More like who isnt a Heel. Right now Cilic comes to mind.
Well. I mean Del potro, Nadal, and ... don't try to take digs at others. I am not sure Roger is a heel either. He seems to be the face with the crowd. Novak is a heel due to some of his antics. Murray is a heel for his english comments I guess. But Davydenko is obviously trying so hard to be one or he wouldn't be making those comments.