David Royce Ayliffe is an Australian former professional rugby league footballer of the 1970s and 80s. An Australian international and New South Wales State of Origin representative, he played for and captained the Eastern Suburbs club. Ayliffe also played for the South Sydney Rabbitohs club. During the 1976 NSWRFL season, Brass played in the forwards, helping Eastern Suburbs to victory in their unofficial 1976 World Club Challenge match against British champions St. Helens in Sydney. While attending Wollongong Keira High School, Ayliffe played for the Australian Schoolboys team in 1972. He also gained selection for the Australian Kangaroos in 1981. Since retirement he has served on the NRL judiciary. On 24 October 2000, Ayliffe was awarded the Australian Sports Medal for rugby league achievements.