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Whether it's goodbye or see you later, Jon Lester will always toast to Chicago - The Athletic
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Jon Lester, former Cubs, Red Sox pitcher, announces retirement
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Rough Day For Ace Jon Lester As Padres Beat Cubs, 7-0 - CBS Chicago
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Why a camo hat was key to the Cubs landing Jon Lester
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Jumping on the Cubs' bandwagon? Get up to speed for the stretch run with these 6 things to know
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Price, Lester, Lackey traded in deadline flurry – Macomb Daily
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Recapping Jon Lester's 9-year MLB career: From lymphoma to Red Sox trade, to Cubs deal
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Kyle Hendricks - Wikipedia
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Jon Lester beat the yips with focus and determination - Sports Illustrated
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Keeping it 140: A season of Jon Lester's tweets - The Athletic
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Jon Lester has announced his retirement - Bleed Cubbie Blue
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Jon Lester returns to Wrigley Field