Tyson always had a chin, his head was the problem...The problem I have with the Ruddock fights is that to me they clearly show how far Mike had slipped...In those fights a "B" level fighter like Ruddock was able to hit Mike all too often, gone was the tyson head movement...In Mike's prime Ruddock lasts 3 rounds maybe and we never have to see how good tyson's chin is, because Razor never hits him...