In 1946 he played rugby for Ireland against France and then played soccer for the IFA XI against Scotland seven days later. His brother, Mick O'Flanagan, was also a notable sportsman and also represented Ireland at both soccer and rugby union.
In 1946, he competed in rugby against France and then in soccer against Scotland shortly after. Mick O'Flanagan, his brother, was also a notable sportsman who represented Ireland in both soccer and rugby union.