Question: Is the documentary "The Bluffs Butcher" based on James Tillis, the boxer who was known as "Quick" due to his fast hand speed or Ron Stander, who challenged Joe Frazier for the heavyweight championship in 1972? 
Sentence (from "Ron Stander"): The documentary told the story of Iowa's arguably best shot at a World Heavyweight Boxing Title and chronicled Stander's journey from virtual unknown to boxing's largest stage.
Relevant evidence: No