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Cubs-pedia -- Everything you need to know about the Lovable Losers - ESPN
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Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
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Boston Red Sox pitchers Josh Beckett, Jon Lester look to mend fences
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Longtime Red Sox and Cubs ace Jon Lester announces retirement
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Jon Lester, former Boston Red Sox pitcher, retires after 16-year MLB career (report)
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Reiter 50: Scherzer, Lester, Shields lead off-season's free-agent rankings - Sports Illustrated
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Former Cubs, Red Sox pitcher Jon Lester announces retirement National News - Bally Sports
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World Series: Chicago Cubs beat Cleveland Indians in Game 7 - Sports Illustrated
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Jon Lester beat the yips with focus and determination - Sports Illustrated
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Jon Lester retires