Former Red Sox great Jon Lester is calling it a career
Jon Lester: Former Chicago Cubs, Boston Red Sox ace retires
Former Cubs, Red Sox pitcher Jon Lester announces retirement
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Athletics 2014 season review: Jon Lester, the ringer who wasn't enough - Athletics Nation
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Boston Red Sox pitcher Jon Lester turning a corner
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Oakland Athletics acquire Jon Lester from Boston Red Sox for Yoenis Cespedes - Sports Illustrated
Jon Lester retires
Jon Lester Calls It A Career
Two cities, one legend: Jon Lester reflects on one of a kind career with Sox, Cubs, Sports
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A look back at Jon Lester's career - Beyond the Box Score
Red Sox: Jon Lester credits former Boston ace's work ethic as inspiration
Lester, Holt lead Red Sox past Twins
Jennings: In appreciation of Jon Lester, whose terrific numbers only partly define his exceptional career - The Athletic
Job became more personal with Jon Lester in need - The Boston Globe
Jon Lester: Breaking News, Rumors & Highlights
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