The 78-year old Ken McGregor, the winner of the Australian Open, who was member of 3 winning Davis Cup teams, died at his home in Australia, it was reported Sunday. The Melbourne Herald Sun wrote that Ken McGregor died Friday of cancer in Adelaide. McGregor won the open in ‘52, defeating Frank Sedgman. Ken McGregor and Frank Sedgman teamed up to win many double titles. Ken also starred in 2 other sports, Australian football and cricket