Question: Who was once considered the best kick boxer in the world, however he has been involved in a number of controversies relating to his "unsportsmanlike conducts" in the sport and crimes of violence outside of the ring.
Sentence (from "Outrageous Betrayal"): Pressman details the rapid financial success Erhard had with these companies, as well as controversies relating to litigation involving former participants in his courses.
Relevant evidence: No