The Canadian Medical Association voted in support of a ban of Mixed Martial Arts in Canada. They argued from a physician responsibility standpoint they could not overlook activities which cause injury and trauma to Canadians. They had previously come out against Boxing for similar reasons.
The 26th President of the United States, Teddy Roosevelt, regularly staged boxing matches in the White House and took on anyone he could- including professional boxers.
Mike Tyson offered a zoo attendant $10,000 to let him fight a gorilla.
Hall of Fame boxer Sugar Ray Robinson backed out of a fight because he had a dream that he was going to kill his opponent in the ring. After a priest and minister convinced Robinson to fight, Robinson went into the ring and killed his opponent, Jimmy Doyle. Doyle was pushing himself to fight to “buy his mother a house, and after Doyle’s death in 1947, Robinson gave the earnings of his next four fights to Doyle’s mother, so she could buy that house.”