yeah, if they fought they are about the same speed ive seen tyson training videos,
as well as him boxing, if both were in there prime, if tyson caught him with one, fight over,end of story..
and honestly just because some one is famous or known for fighting or a champion, there is always somebody tougher that probly isnt heard of..
shamrock in his prime got beat up by a logger that he picked a fight with at a bar and my grandpa ended up arresting him..
same thing happened to tito ortiz at some bar..
but as far as bruce lee being the toughest man to ever exist, no. granted he was a beast and would kick the shit out of me.but hes not the toughest man ever..
the only problem i would see for anyone fighting bruce lee is getting close enough or being fast enough to take him to the ground..

__________________

"the loudest one in the room is the weakest"- frank lucas..