...the match, Louis said no.? Helio Gracie, the founder of Brazillian Jiujitsu, made the challenge to then heavyweight boxing champion, Joe Louis, to fight under Brazillian Vale Tudo rules. Joe Louis's people said no and turned him down.

But, what would have happend if they did fight under Vale Tudo rules? Bare knuckles, no time limits, with few rules, in a ring.

Joe Louis
6'2" 200 lbs.
65-3-0-1 (51)
Recognized as one of the greatest heavyweights ever (normally ranked in the top 5 on every experts list). One of the best pound for pound boxers ever.

vs.

Helio Gracie
5'4" 145 lbs.
10-2-7 10 Submission Wins - 0 KOs
Recognized as one of the great pioneers of MMA. Recognized as one of the best MMA fighters ever.