Martin Kaymer and Rory McIlroy made the big moves in the world golf rankings Monday after strong showings in Shanghai.
Kaymer's win at the WGC-HSBC Champions tournament pushed him up two spots to No. 4.
Kaymer was nine-under-par on the final 12 holes of the tournament, winning by three strokes.
McIlroy, who tied for fourth at Shanghai, overtook Lee Westwood to claim the No. 2 spot behind Luke Donald.
Donald, who has a ranking average of 10.473, has been No. 1 for 24 weeks. McIlroy is at 7.514, with Westwood at 7.480 and Kaymer at 7.113.
Dustin Johnson (6.059) and Steve Stricker (6.024) slipped to fifth and sixth.
Jason Day (5.577), Adam Scott (5.483), Matt Kucher (5.329) and Webb Simpson (5.291) round out the top 10.