I don't know what he earns either, but it's assumed by many that he's the highest paid player in Super League, which is how we managed to get him in the first place. That may well be true, but I have no idea. However, there was also a lot of grumblings about dressing room disharmony, which probably wouldn't be helped by wage disparity, and Williams himself was on the receiving end of the "waste of money" shouts from plenty of our fans as well as opposition fans.
Sam Burgess has worked absolute magic at making all that go away!