Three other golfers from Northern Ireland have had international successes in the 21st century. Rory McIlroy has several major tournament wins, including the 2011 U.S. Open. He was world number one in the Official World Golf Ranking for 95 weeks. Graeme McDowell won the 2010 U.S. Open, becoming the first Irish player to do so. Darren Clarke won the 2011 Open Championship.