Webb Simpson is the latest golfer to leapfrog Tiger Woods in the world rankings.
The 26-year-old American jumped 22 places to 33 after his win at the Wyndham Championship at the weekend, while the troubled Woods dropped to 36.
England's Luke Donald and Lee Westwood continue to top the list at one and two respectively, while Northern Ireland's Rory McIlroy is at five.
The top ten in full:
1. Luke Donald (ENG)
2. Lee Westwood (ENG)
3. Steve Stricker (USA)
4. Martin Kaymer (GER)
5. Rory McIlroy (NIR)
6. Phil Mickelson (USA)
7. Adam Scott (AUS)
8. Jason Day (AUS)
9. Dustin Johnson (USA)
10. Nick Watney (USA)
