In Sydney Grade Cricket, he scored 4,302 runs at 37.08 and took 348 wickets at 13.69. He later served as a selector for the Australian team from 1979 to 1984, and after serving as a vice president for three years, in 1970 became president of the New South Wales Cricket Association. At the age of 41, he was the youngest person to have held the post. Davidson held the post until 2003. Davidson was one of the trustees of the SCG from 1978 to 1998, during which time floodlights were installed at the ground.