Timeline of golf (2000–present) number one at the end of that year. Tiger Woods completes what becomes known as the "Tiger Slam", holding off David Duval and Phil Mickelson to win the Masters Championship in April to become the first golfer in history to hold, concurrently, all four professional major championships. For good measure, Woods had won the game's fifth most important event, the Tournament Players' Championship as well, in March. By the end of the year, however, Woods would have relinquished three of his titles, on each occasion to players winning their first major title. At the U.S. Open, South African Retief Goosen
Tiger Woods 2000 U.S. Open, where he broke or tied nine tournament records in what "Sports Illustrated" called "the greatest performance in golf history", in which Woods won the tournament by a record 15-stroke margin and earned a check for $800,000. At age 24, he became the youngest golfer to achieve the Career Grand Slam. At the end of 2000, Woods had won nine of the twenty PGA Tour events he entered and had broken the record for lowest scoring average in tour history. He was named the "Sports Illustrated" Sportsman of the Year, the only athlete to be honored twice, and