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Roberto Castro reacts after missing a birdie putt on the eighth hole during the second round of the Humana Challenge golf tournament on the Arnold Palmer Private course at PGA West in La Quinta, Calif. Friday, Jan. 18, 2013. (AP Photo/Chris Carlson)

Associated Press
Roberto Castro reacts after missing a birdie putt on the eighth hole during the second round of the Humana Challenge golf tournament on the Arnold Palmer Private course at PGA West in La Quinta, Calif. Friday, Jan. 18, 2013. (AP Photo/Chris Carlson)
Roberto Castro reacts after missing a birdie putt on the eighth hole during the second round of the Humana Challenge golf tournament on the Arnold Palmer Private course at PGA West in La Quinta, Calif. Friday, Jan. 18, 2013. (AP Photo/Chris Carlson)
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