Adam 12

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BOSTON, MA - NOVEMBER 02: Jon Lester #31 of the Boston Red Sox waves to the crowd during the World Series victory parade on November 2, 2013 in Boston, Massachusetts. (Photo by Jared Wickerham/Getty Images)

Three-time World Series champ and former Red Sox lefty Jon Lester announced his retirement from baseball yesterday. Let’s look back at his years in Boston.