Career
He signed for Shamrock Rovers under Seán Thomas at the tail end of the 1975/76 season. He made a scoring Rovers debut at Oriel Park in a FAI League Cup tie. He made his League of Ireland debut for Shamrock Rovers at Flower Lodge against Albert Rovers on 5 October 1976.
He was an unused substitute in the 1978 FAI Cup Final.
In April 1979 Gaffney played for the League of Ireland XI against Italian League B. On the 12th of September 1979, he played for Republic of Ireland U21 against Poland.
In May 1980 Gaffney guested for Waterford United on a tour of the United States Robbie is also a gentleman and one of the funniest blokes you"ll ever meet. Team Personal.