Luke Donald needed a top-eight finish at the RBC Heritage to keep No . 1 ranking . Donald won the Transitions Championship in March but has only one other top-10 finish . Donald and Rory McIlroy have switched places three times already this season . The top 10 players in the world are all ranked outside of the Top 10.
Luke Donald needed a top-eight finish at the RBC Heritage to keep No . 1 ranking . Donald and Rory McIlroy have switched places three times already this season . The top 10 players in the world are all ranked outside of the Top 10.