Rory McIlroy bidding to win his first Masters title this week at Augusta . The Northern Irishman is one shot off the lead after a round of 66 on Saturday and has been in contention for much of the week. McIlroy looking for third straight major victory after winning The Open and USPGA Championship last year . One Direction star Niall Horan caddied for McIlroy in Wednesday 's Par-3 Contest .
Rory McIlroy bidding to win his first Masters title this week at Augusta . The Northern Irishman finished tied for eighth place last year in his best finish in Georgia . McIlroy looking for third straight major victory after winning The Open and USPGA Championship last year . One Direction star Niall Horan caddied for McIlroy in Wednesday 's Par-3 Contest .