The South African became the first European Tour player to capture a non-major event on the PGA Tour since Lee Westwood won the 1998 Compaq Classic. Goosen has won six times worldwide over the past 10 months.
Tiger Woods remained atop the rankings as the world No. 1 gears up to compete for a third Masters victory this week at Augusta. Phil Mickelson, who finished third at the BellSouth Classic, came in at No. 2 while Ernie Els held on to No.3.
Sergio Garcia held onto fifth while last year's British Open winner David Duval dropped two spots to No. 6. Vijay Singh, who won the Masters in 2000, fell one spot to seventh while 2001 PGA Championship winner David Toms dropped to eight.
Chris DiMarco exchanged positions with Davis Love III to round out the top-10.
Darren Clarke stayed at No. 11 with Mike Weir climbing one spot to No. 12. Padraig Harrington fell to 13th to accommodate Weir.
Jim Furyk held on to 14th followed by Bob Estes, who climbed two spots to No. 15.
Rocco Mediate jumped two places to No. 16 moving Kenny Perry and Bernhard Langer to 17th and 18th, respectively.
Scott Verplank remained in 19th followed by two-time Masters winner Jose Maria Olazabal, who climbed one spot to round out the top-20.
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