The Official World Golf Ranking was introduced in 1986. Since its introduction, 21 different players have been ranked No. 1 in the world.
Here are the top 15 golfers in OWGR history in terms of how long each was cumulatively ranked at No. 1:
15. David Duval – 15 Weeks
Duval, a Jacksonville, Fla. native, won 13 times on the PGA Tour 1997 and 2001. His lone major came in the 2001 Open Championship. Injuries curtailed his career.