Irish ace recalls agonising play-off defeat to 'steely' 15-year-old Rory McIlroy in 2004

Aaron O'Callaghan lost to Rory McIlroy in a three-hole play-off at the 2004 Irish Boys' Amateur Close Championship. Now head coach at East Tennessee State University, O'Callaghan reflects on facing the future World No 1 as a teenager