Without any question (to me) it's Ruiz. he is the worst I have ever seen and a bit of a disgrace really. Personally, while nobody could question his heart, I also thought Primo Carnera was the worst in terms of pure skills.

Douglas was fantastic against Tyson, Hart was a tough bugger who could fight a bit, McCall was a nutter but he was strong and could punch (like Rahman). Bruno was always well conditioned and could really hit, at least he came to fight. Dokes was a good fighter waiting to happen who got ruined by crack, as was Spinks.

That said, even Ruiz is brave enough to get into a ring and risk humiliation and injury and I do find it hard sometimes to slag off the gladiators within the sport I love, especially those who have risen to the top of the tree