Phil Mickelson hits his tee shot on the 15th hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Associated Press
Phil Mickelson hits his tee shot on the 15th hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)
Phil Mickelson hits his tee shot on the 15th hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)
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