Els won a sudden-death playoff against Frenchman Thomas Levet, who jumped from 134th in the world to 68th this week.
Stuart Appleby and Steve Elkington were part of the playoff before being eliminated after the four-hole aggregate playoff. Appleby moved from 63rd to 36th this week while Elkington, the 1995 PGA Champion, vaulted up 69 places to No. 46.
Tiger Woods' bid for the third leg of the Grand Slam was squashed Saturday with his highest round as a professional, a 10-over-par 81. He remained comfortably in first place in the World Rankings.
Phil Mickelson extended his record to 0-41 in major championships but kept his second-place ranking, followed by Els, who won the U.S. Open in both 1994 and 1997.
Retief Goosen came in fourth place this week while Spain's Sergio Garcia took fifth and Davis Love III followed at sixth.
David Toms, the reigning PGA champion, held on to seventh while Irishman Padraig Harrington's tie for fifth at Muirfield moved him to No. 8, his highest ranking ever.
David Duval, the 2001 British Open winner, fell one notch to ninth as did Vijay Singh, who rounded out the top-10.
Nick Price, Jim Furyk, Chris DiMarco and Michael Campbell all kept their places from last week, 11th-14th.
Bob Estes climbed three spots to 15th, followed by Colin Montgomerie who held on to 16th. Darren Clarke dropped two to 17th while Angel Cabrera fell one to 18th.
Rocco Mediate and Kenny Perry switched rankings from last week with Mediate coming in 19th and Perry 20th.
Spike McRoy earned his first PGA Tour victory Sunday at the B.C. Open and cracked the top-200. The victory moved him into a tie for 200th with Japan's Hiroyuki Fujita.
More Golf Headlines