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World Golf Championships-Accenture Match Play Championship - Quarterfinals

MARANA, AZ - FEBRUARY 25: Peter Hanson of Sweden putts on the first green during the quarterfinal round of the World Golf Championships-Accenture Match Play Championship at the Ritz-Carlton Golf Club on February 25, 2012 in Marana, Arizona. (Photo by Christian Petersen/Getty Images)

Mahan stops McIlroy in Match Play

Hunter Mahan stopped Rory McIlroy's march to No. 1 by winning the Match Play Championship on Sunday.