tyson is not remotely motivated and he's too old to move.sapp will find him, put his weight on him and tyson will quit.
Under pure boxing rules, Tyson will be EXTREMELY tough. If it is kickboxing, it gets tougher for the cannibal, if it is MMA, he becomes a tomatoe can.
That sounds pretty much right on...
Pride should use Tyson like the UFC used Royce. Build up one big fight. Have him fight your premiere fighter whose credibility will grow with the general populace when that fighter destroys Tyson, then kick him to the curb.