Boston Red Sox closer Koji Uehara holds his son Kazuma as they celebrate on the field after the Red Sox won the 2013 World Series defeating the St. Louis Cardinals in game

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Boston Red Sox closer Koji Uehara, right, greets catcher A.J. Pierzynski after the Red Sox defeated the Seattle Mariners 5-4 in a baseball game, Wednesday, June 25, 2014, in Seattle. (AP Photo/Ted

Boston Red Sox closer Koji Uehara holds his son Kazuma as they celebrate on the field after the Red Sox won the 2013 World Series defeating the St. Louis Cardinals in game

Boston Red Sox closer Koji Uehara holds his son Kazuma as they celebrate on the field after the Red Sox won the 2013 World Series defeating the St. Louis Cardinals in game

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