Prof Shamrock is a Dinosaur. He got hit in the balls and it took 30 seconds for his nerves to reach his brain. 
His body wasn't used to being touched there in awhile, took a minute for the system to kick back on 
After his balls got jumbled he caught deja vu
Ken said in his first fight with Severn that he wears a steel cup.That`s why Severn`s nut shot didn`t hurt and he was able to get the guillotine.
Come on Ken.