Phil Mickelson

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Phil Mickelson tips his cap to the gallery following a chip shot on the 10th hole during the first round of the Valero Texas Open golf tournament, Thursday, March 27, 2014, in San Antonio. (AP Photo/Eric Gay)

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Phil Mickelson watches his drive on the 10th tee during the first round of the Valero Texas Open golf tournament, Thursday, March 27, 2014, in San Antonio. (AP Photo/Eric Gay)

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Phil Mickelson watches his chip shot on the 10th hole during the first round of the Valero Texas Open golf tournament, Thursday, March 27, 2014, in San Antonio. Play was delayed for more than two hours Thursday due to rain and fog. (AP Photo/Eric Gay)

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Phil Mickelson, left, gets direction from his caddie as he takes part in a pro-am at the Valero Texas Open, Wednesday, March 26, 2014, in San Antonio. Mickelson is straying from his usual schedule and playing in the Valero Texas Open for the first time in 22 years. (AP Photo/Eric Gay)

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Phil Mickelson takes part in a pro-am at the Valero Texas Open, Wednesday, March 26, 2014, in San Antonio. Mickelson is straying from his usual schedule and playing in the Valero Texas Open for the first time in 22 years. (AP Photo/Eric Gay)

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Phil Mickelson watches his tee shot as he takes part in a pro-am at the Valero Texas Open, Wednesday, March 26, 2014, in San Antonio. Mickelson is straying from his usual schedule and playing in the Valero Texas Open for the first time in 22 years. (AP Photo/Eric Gay)

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Phil Mickelson hits from the 17th tee during the third round of the Cadillac Championship golf tournament Saturday, March 8, 2014, in Doral, Fla. (AP Photo/Wilfredo Lee)

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Phil Mickelson hits from a bunker on the ninth hole during the second round of the Cadillac Championship golf tournament, Friday, March 7, 2014, in Doral, Fla. (AP Photo/Lynne Sladky)