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Jon Lester's retirement reminds us Red Sox never should have let him go
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Jon Lester: News, Stats, Bio, & More - NBC Sports - NBC Sports
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Should the Cubs retire Jon Lester's number? - Bleed Cubbie Blue
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Former All-Star pitcher Jon Lester announces retirement after 16 MLB seasons
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Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
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Jon Lester, Major League Baseball, News, Scores, Highlights, Stats, and Rumors
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Jon Lester was an amazing person to have on the Chicago Cubs
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Jon Lester revels in chance to play in first American Century Championship
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Jon Lester - Wikipedia
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Jon Lester retires
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Jon Lester's 16-Year Career Perfectly Blended Intensity And Winning With Leadership
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Jon_Lester
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Jon Lester has announced his retirement - Bleed Cubbie Blue
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Maybe the best playoff pitcher ever' - What made Jon Lester an October legend and potential Hall of Famer - ESPN
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MLB Rumors: Ex-Red Sox Pitcher Jon Lester Retiring After 16-Year Career