Tiger Woods retained his top spot, followed by Vijay Singh, Phil Mickelson, Ernie Els, Retief Goosen and Sergio Garcia, who all held on to places 2-6. Adam Scott and Chris DiMarco remained seventh and eighth, and they were again followed by Jim Furyk and Kenny Perry to round out the top-10.
Completing the top 15 were Padraig Harrington, David Toms, Angel Cabrera, Luke Donald and David Love III.
Michael Campbell moved up three places to No. 16, Tim Clark held on to the 17th spot, and Fred Couples tumbled two places to 18. Darren Clarke also lost ground, falling from 18th to 19th, and Thomas Bjorn remained at No. 20.
Following his victory at the Deutsche Bank Championship on Monday, Olin Browne climbed 138 places to No. 103 in the Official World Golf Rankings.
Browne distanced himself from four other co-overnight leaders with a 4-under 67 in the final round to win by a stroke over Jason Bohn. It was the 21- year PGA Tour veteran's third career victory and first since the 1999 Colonial.