Jordan Spieth

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Jordan Spieth hits his tee shot on the par-3 third hole of the South Course at Torrey Pines during the third round of the Farmers Insurance Open golf tournament Saturday, Jan. 25, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

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Jordan Spieth hits his approach shot on the 10th hole of the North Course at Torrey Pines during the second round of the Farmers Insurance Open golf tournament Friday, Jan. 24, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

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Jordan Spieth watches his drive on the 11th hole of the North Course at Torrey Pines during the second round of the Farmers Insurance Open golf tournament Friday, Jan. 24, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

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Jordan Spieth hits an approach to the ninth hole on the North Course at Torrey Pines during the second round of the Farmers Insurance Open golf tournament Friday, Jan. 24, 2014, in San Diego. Spieth shot a 9-under-par 63. (AP Photo/Lenny Ignelzi)

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Jordan Spieth hits his second shot in the par-5 18th hole of the North Course at Torrey Pines during the second round of the Farmers Insurance Open golf tournament Friday, Jan. 24, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

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Jordan Spieth hits his second shot to the fourth hole on the south course at Torrey Pines during the first round of the Farmers Insurance Open golf tournament Thursday, Jan. 23, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

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Jordan Spieth sends a divot flying with his second shot on the second hole of the South Course at Torrey Pines during the first round of the Farmers Insurance Open golf tournament Thursday, Jan. 23, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

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PGA Tour Commissioner Tim Finchem, left, greets Tiger Woods, right, and Jordan Spieth at the 2013 PGA Tour Player of the Year and Tour Rookie of the Year trophy presentation at the Farmers Insurance Open golf tournament at Torrey Pines Golf Course on Wednesday, Jan. 22, 2014 in San Diego. (AP Photo/Chris Carlson)

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Tiger Woods, left, 2013 PGA Tour Player of the Year, and Jordan Spieth, right, PGA Tour Rookie of the Year, pose with PGA Tour Commissioner Tim Finchem and their trophies during a presentation at the Farmers Insurance Open golf tournament at Torrey Pines Golf Course on Wednesday, Jan. 22, 2014 in San Diego. (AP Photo/Chris Carlson)