Henrik Stenson fired a 7-under 65 on Friday to move into the lead during the suspended second round of the Dubai Desert Classic.
Alvaro Quiros won the Qatar Masters on Sunday and in the process vaulted up 46 spots in this week's Official World Golf Rankings.
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Alvaro Quiros fired an 8-under 64 on Saturday to move atop the leaderboard by a stroke after the third round of the Qatar Masters.
The Champions Tour is set for its first official event of the 2009 season.
Defending champion Adam Scott will lead a 120-player field stocked with top talent into this week's Qatar Masters.
Paul Casey won the Abu Dhabi Championship for the second time on Sunday and that win helped him jump 21 places in the world rankings.
Paul Casey fired a bogey-free, 9-under 63 Saturday to take a four-stroke lead after three rounds of the Abu Dhabi Championship.
Geoff Ogilvy won the season-opening Mercedes-Benz Championship on Sunday and moved up five places to No. 6 in the world rankings.
Reigning major champions Padraig Harrington and Trevor Immelman headline the field in Abu Dhabi.