Not exactly what you were looking for likely, but Tim Ferriss (author of the 4 hour work week) became the national champion in Sanshou kickboxing, with almost n

Not exactly what you were looking for likely, but Tim Ferriss (author of the 4 hour work week) became the national champion in Sanshou kickboxing, with almost no experience. He exploited loopholes that other competitors hadn't considered. https://en.wikipedia.org/wiki/Tim_Ferriss#personal_life https://en.wikipedia.org/wiki/Tim_Ferriss#personal_life