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Jon Lester was an amazing person to have on the Chicago Cubs
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Former All-Star pitcher Jon Lester announces retirement after 16 MLB seasons
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Jon Lester hits free agency after Cubs decline option; is a Boston Red Sox reunion possible?
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Boston Red Sox: The remarkable consistency of Jon Lester
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Jon Lester, Major League Baseball, News, Scores, Highlights, Stats, and Rumors
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Jon Lester: Cubs veteran has no hard feelings towards Red Sox
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Longtime Red Sox ace Jon Lester retires after 16 MLB seasons
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Washington National for a minute Jon Lester announces retirement after 16-year career - Federal Baseball
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Is Jon Lester a Hall of Famer? John Lackey has a strong take – NBC Sports Boston
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Former Red Sox pitcher Jon Lester pops up at Fenway to catch up with some old friends - The Boston Globe
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Jon Lester Had Some Incredibly Nice Things To Say About His Second Personal Catcher - Bleacher Nation