Originally Posted by Kevsh

Even a big SOB like Bob Sapp who was MMA fight experience has tapped out. If a smaller fighter can make Sapp tap then Kimbo may be even easier - that is, he has no idea how to guard against submission holds while Sapp does.

Though Kimbo does seem like a masochist type who get's adrenaline off being hit. I'd say the best submissions will be arm or ankle if you can hold on.