Golf: Defending champion McIlroy shares the early lead with Sam Burns at the Masters [SOUND]

# Golf: World number two Rory McIlroy has made the dream start to his bid to become just the fourth man to win back-to-back Masters. The 36-year-old from Northern Ireland shares the first-round lead with American Sam Burns after carding a five-under par 67 at Augusta in Georgia. Americans Patrick Reed, Kurt Kitayama, and Australian Jason Day are two shots behind in a tied third. McIlroy says he was nervous on the first tee: