Irving

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Graham DeLaet hits off the first tee during the third round of the Byron Nelson Championship golf tournament, Saturday, May 17, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)

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Martin Kaymer, of Germany, watches his shot off the first tee during the third round of the Byron Nelson Championship golf tournament, Saturday, May 17, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)

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Brendon Todd hits off the first tee during the third round of the Byron Nelson Championship golf tournament, Saturday, May 17, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)

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Graham DeLaet hits off of the 16th fairway during the second round of the Byron Nelson Championship golf tournament, Friday, May 16, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)

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Morgan Hoffman watches his shot off of the 18th tee during the second round of the Byron Nelson Championship golf tournament, Friday, May 16, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)

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Graham DeLaet watches his putt go wide on the 16th green during the second round of the Byron Nelson Championship golf tournament, Friday, May 16, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)

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Peter Hanson hits off the second tee during the second round of the Byron Nelson Championship golf tournament, Friday, May 16, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)

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Gary Woodland watches his shot off the fourth tee during the second round of the Byron Nelson Championship golf tournament, Friday, May 16, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)

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Martin Kaymer, of Germany, watches his shot off the fourth tee during the second round of the Byron Nelson Championship golf tournament, Friday, May 16, 2014, in Irving, Texas. (AP Photo/Tony Gutierrez)