Career
A noted dual player in his day, he played hurling and football with his local clubs Glen Rovers and St. Nicholas' respectively. O'Brien also played hurling and football with the Cork senior inter-county teams in the early 1970s.
A noted dual player in his day, he played hurling and football with his local clubs Glen Rovers and St. Nicholas' respectively. O'Brien also played hurling and football with the Cork senior inter-county teams in the early 1970s.