Carl Nafzger is a well-known American horse trainer, particularly recognized for his success in thoroughbred racing. He gained fame for training the legendary racehorse Street Sense, who won the prestigious Kentucky Derby in 2007. Nafzger's training methods and deep understanding of horses have earned him respect in the racing community. Throughout his career, Nafzger has trained numerous successful racehorses, contributing to his reputation as one of the top trainers in the sport. His achievements include multiple graded stakes wins and a strong presence in major racing events, solidifying his legacy in the world of horse racing.