Northern Trust Open
Thu 4th Feb
Riviera CC, Pacific Palisades, California
Leaderboard
AT&T Pebble Beach National Pro-Am
Thu 11th Feb
Pebble Beach, Poppy Hills, Spyglass Hill, Calif.
WGC - Accenture Match Play
Wed 17th Feb
Ritz-Carlton GC, Dove Mountain, Arizona, USA
Lee Westwood has climbed back up to number four in the world, a position he last occupied some eight years ago.
The Englishman is also now Europe's top-ranked player having edged past Paul Casey on the back of his eighth-placed finish in the WGC-HSBC Champions event in Shanghai.
Casey slips down to fifth in the world after being forced to pull out of the tournament in China on the final day with a recurrence of his rib muscle injury.
The 32-year-old has returned to America to see a specialist and pulled out of this week's Hong Kong Open, while he is a serious doubt to feature in next week's Dubai World Championship.
The injury could not have come at a worse time for Casey who has seen his chances of winning the inaugural Race to Dubai seriously undermined.
Meanwhile, Ian Poulter has climbed two places to a career-high of 13th in the world despite finishing just 45th in China.
But the news was not so good for Ross Fisher who falls two places to 19th despite tying for 28th - that being because Ernie Els and Rory McIlroy were second and fourth respectively and, as a result, climb to 16th and 17th.
McIlroy has also edged into second place in the Race to Dubai standings, moving past Martin Kaymer and is now just £47,000 behind leader Lee Westwood.
Latest leading positions on the world rankings:
1 Tiger Woods 15.70pts, 2 Phil Mickelson 9.22, 3 Steve Stricker 7.38, 4 Lee Westwood 6.13, 5 Paul Casey 6.02, 6 Padraig Harrington 5.71, 7 Henrik Stenson 5.63, 8 Kenny Perry 5.36, 9 Sergio Garcia 5.31, 10 Jim Furyk 5.23, 11 Martin Kaymer 5.11, 12 Geoff Ogilvy 4.82, 13 Ian Poulter 4.71, 14 Stewart Cink 4.62, 15 Sean O'Hair 4.60, 16 Ernie Els 4.47, 17 Rory McIlroy 4.37, 18 Lucas Glover 4.20, 19 Ross Fisher 4.18, 20 Retief Goosen 4.09
Other leading Europeans:
27 Luke Donald, 28 Robert Karlsson, 32 Soren Kjeldsen, 37 Oliver Wilson, 41 Soren Hansen, 43 Miguel Angel Jimenez, 44 Francesco Molinari, 45 Alvaro Quiros, 47 Anders Hansen, 48 Simon Dyson, 51 Graeme McDowell, 53 Peter Hanson, 54 Gonzalo Fernandez-Castano, 65 Justin Rose, 66 Alexander Noren, 70 Chris Wood, 81 Anthony Wall, 85 Edoardo Molinari, 95 Thomas Levet, 96 Nick Dougherty

Stricker wins Northern Trust Open
Northern Trust Open - Day Four
Jimenez rules in Dubai
Northern Trust Open - Day Three
Dubai Desert Classic - Day Four
Northern Trust Open - Day Two
Dubai Desert Classic - Day Three
Westwood enjoys an afternoon breeze
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