Ken Venturi, former PGA golfer and long-time commentator for CBS Sports, died on Friday afternoon, according to the San Francisco Chronicle.He was 82 years old.Venturi's biggest accomplishment on the golf course came when he won the 1964 U.S. Open at Congressional Country Club in Bethesda, Md. while suffering heatstroke. The final day of the tournament, he shot 66-70 (which included 36 holes). The win was the only major championship of his career.