Furyk's last two wins have come at the Canadian Open. He moved past Phil Mickelson to take the second slot behind top-ranked Tiger Woods, but there was only one other change to the top 20.
Niclas Fasth, one of the steadiest players in the world this year, moved up two places to No. 20 this week, bumping Stewart Cink down a spot.
Andres Romero was also a mover. A week after his surprising third-place finish at the British Open, the Argentine won the Deutsche Bank Players' Championship on the European Tour and moved up 22 places to 29th in the rankings.
The top 10 were: Woods, Furyk, Mickelson, Ernie Els, Adam Scott, British Open champion Padraig Harrington, Vijay Singh, Sergio Garcia, Henrik Stenson and Geoff Ogilvy.
Luke Donald, K.J. Choi, Steve Stricker, Retief Goosen, Masters champion Zach Johnson, Rory Sabbatini, U.S. Open winner Angel Cabrera, Paul Casey, Trevor Immelman and Fasth rounded out the top 20.