Cork later qualified for the All-Ireland final where Wexford were the opponents. On the night before the final O'Brien has admitted to sneaking away from the hotel where his team mates were staying and went to a pub in Dún Laoghaire where he drank nine pints of Guinness. This didn't affect his impact on the game the following day in a game that broke all records with a huge 64-point score line.
Cork qualified for the All-Ireland final, facing Wexford. The night before, O'Brien admitted to leaving the hotel where his teammates were staying and heading to a pub in Dún Laoghaire to drink nine pints of Guinness. This didn't influence his performance during the game that broke records with an impressive 64-point score.