Yu Darvish

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Texas Rangers starting pitcher Yu Darvish throws during the first inning of a baseball game against the Detroit Tigers in Detroit, Thursday, May 22, 2014. (AP Photo/Carlos Osorio)

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Texas Rangers starting pitcher Yu Darvish throws during the first inning of a baseball game against the Detroit Tigers in Detroit, Thursday, May 22, 2014. (AP Photo/Carlos Osorio)

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Texas Rangers starting pitcher Yu Darvish, of Japan, throws during the first inning of a baseball game against the Toronto Blue Jays in Arlington, Texas, Friday, May 16, 2014. (AP Photo/LM Otero)

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Texas Rangers' Yu Darvish, left, and Robbie Ross, right, visit with Haven Fielder, center, the son of Rangers' Prince Fielder, during practice before a baseball game against the Boston Red Sox, Saturday, May 10, 2014, in Arlington, Texas. (AP Photo/Jim Cowsert)

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Texas Rangers starting pitcher Yu Darvish, watches from the mound as Rougned Odor, left rear, and right fielder Alex Rios, right rear, walk back to their positions after a ball fell between them allowing Boston Red Sox's David Ortiz to reach first in the seventh inning of a baseball game, Friday, May 9, 2014, in Arlington, Texas. An error was charged to Rios ending a try at a perfect game for Darvish in the 8-0 Rangers win. (AP Photo/Tony Gutierrez)

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Boston Red Sox's Shane Victorino looks back at the mound after striking out against Texas Rangers' Yu Darvish in the first inning of a baseball game, Friday, May 9, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)

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Boston Red Sox's David Ortiz stands on first after hitting a single off of Texas Rangers' Yu Darvish in the ninth inning of a baseball game, Friday, May 9, 2014, in Arlington, Texas. The hit spoiled Darvish' bid for a no-hitter in the 8-0 Rangers win. (AP Photo/Tony Gutierrez)