Rory McIlroy spurned a two - shot lead on the final day of the 2011 Masters . Two months later the young Irishman triumphed at the U.S. Open , his first major title . But two months later , at June 's U.S. Open , the Northern Irishman produced a resounding response to his doubters by romping to a record-breaking eight-shot victory at Congressional . He became the youngest world No . 1 since Tiger Woods in Dubai earlier this month . His fellow Briton Luke Donald has since reclaimed top spot in the world rankings .
Rory McIlroy spurned a two - shot lead on the final day of the 2011 Masters . Two months later the young Irishman triumphed at the U.S. Open , his first major title . He became the youngest world No . 1 since Tiger Woods in Dubai earlier this month . His fellow Briton Luke Donald has since reclaimed top spot in the world rankings .