American Jim Furyk has moved up to number two in the world, the highest ranking of his career, after his victory at the Canadian Open.
Furyk leapfrogged compatriot Phil Mickelson in the rankings after capturing his second PGA Tour title of the season yesterday.
Australia's Adam Scott climbed one place to fifth after beating Ernie Els in a play-off at the Asian Tour's Singapore Open.
Welshman Bradley Dredge's eight-stroke win at the European Masters in Switzerland, the biggest victory margin on the European Tour this season, helped him rise 27 positions to 64th.