The top seven in the rankings did not change, with Tiger Woods comfortably holding the top spot, while Vijay Singh, Phil Mickelson, Retief Goosen, Ernie Els, Sergio Garcia and Jim Furyk held the second through seventh spots respectively.
Australian Adam Scott climbed to No. 8 with Colin Montgomerie slipping a notch to ninth. Chris DiMarco held steady at No. 10. David Howell and Angel Cabrera exchanged spots, with the Englishman up to 11 and the Argentine dropping one to 12th.
U.S. Open champion Michael Campbell tied for fourth behind Appleby at the Mercedes and that helped him climb three spaces to 13th this week. Kenny Perry stayed 14th, while Luke Donald was down two to 15 and David Toms slid one to 16th.
The remainder of the top-20 was unchanged, with Padraig Harrington coming in at No. 17, followed by Darren Clarke, Davis Love III and Tim Clark.