Louis Oosthuizen and Russell Henley earned big wins on Sunday and both players improved to career-high spots in this week's world rankings.
Oosthuizen earned his sixth career European Tour title at the Volvo Golf Champions and moved up two spots to No. 4 in the world.
Henley birdied the final five holes en route to a 3-stroke win over Tim Clark at the Sony Open in Hawaii. Henley soared 125 places to No. 50 this week.
Rory McIlroy, who will make his season debut this week in Abu Dhabi, starts the 2013 season with a 4.55 average point lead over Tiger Woods, who is also playing in Abu Dhabi this week.
Woods moved up one to second and that knocked Luke Donald down a notch to third. Oosthuizen's move pushed Justin Rose and Adam Scott back one place to fifth and sixth respectively.
Lee Westwood held steady at No. 7 and was again followed by Brandt Snedeker and Bubba Watson. Steve Stricker jumped three to 10th and that bumped Jason Dufner, Keegan Bradley and Dustin Johnson down one spot apiece.
Ian Poulter and Webb Simpson exchanges places with Poulter up to 14th. Charl Schwartzel held steady at No. 16 and was trailed again by Graeme McDowell, Sergio Garcia, Phil Mickelson and Peter Hanson.