Rory McIlroy insists he will not become obsessed by his quest to become world number one.

THE drama surrounding Shane Lowry since his stunning Irish Open success continued yesterday at the London Club in Kent. Lowry makes his professional debut in the €1.8m tournament with organisers grouping the 22-year old Offaly golfer with fellow Irishman Paul McGinley and England’s Anthony Wall for the opening two rounds.