tyson will NOT fight in the ufc, k1, pride or any other mma. there he would be owned and he knows it.
he has zero lateral movement now and it will take about 5 seconds to tie him up.
having said that he would still do very well against stiffs. any pro boxer would and that includes the 'tomato cans'.
IF he actually gets a green light with this idea which i highly doubt, it will be a very smart move for tyson. he gets to make a lot of money basically masturbating which he always said that people would pay to watch him do.
i don't blame him one bit for wanting to cash in (although it's a little sad that he has to). he has already proved himself as a fighter 1000 fold so why on earth should he need to go back to pro fighting ie ufc, k1, pride, etc. especially since he's accomplished a million times what ANY of those fighters ever have.
btw, he would've killed the ali that foreman fought. he would have had him on the ropes within 3 (similar to foreman), but he is much more accurate and has a deadlier arsenal than foreman. where foreman just ripped away at ali's mid section with his wide flailing arm punches that ali could see coming from next week, tyson's punches were much shorter and more precise. he would have slammed rips to the body, uppercuts and hook combinations on ali that he wouldn't even see and he would have landed every one exactly where he wanted them to land.
i don't believe tyson necessarily hit harder than foreman but he was much more accurate and quicker than foreman and he always threw combinations to set up his next punch eg. body rips (to bring the elbows to the sides) then uppercuts straight up the now exposed centre column, pops the chin up then left hook to the now exposed chin. he was poetry in motion in his prime.