The Official World Golf Ranking was introduced in 1986. Since its introduction, 21 different players have been ranked No. 1 in the world.
Seve Ballesteros
61 weeks
Ballesteros won five majors, including the Masters twice (1980, 1983) and the Open Championship three times (1979, 1984, 1988). His success and flair endeared him to fans in both his native Spain, across Europe and in the U.S. Ballesteros, 54, died in 2011 after battling a brain tumor.