In the National Wrestling Federation, Valentine defeated Johnny Powers for the NWF North American Heavyweight Championship on September 1, 1972. Powers beat Valentine for the title in October, but Valentine won the title again from Abdullah the Butcher on October 19. He was stripped of the title following a match with Johnny Powers. On November 23, he captured the title from Powers, but lost it again in January. In the Japan Wrestling Association, Valentine won the International Tag Team title on February 22, 1973, and then the United National Heavyweight Championship on March 2. He lost the Tag title on March 6, and the United Heavyweight title on March 8. Back in the National Wrestling Federation, in August 1973, Valentine beat Jacques Rougeau, Sr. to win the North American Heavyweight Championship. He lost it to Johnny Powers in late 1973.