Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated

Jon Lester beat the yips with focus and determination - Sports

Jon Lester - Wikipedia

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Cubs finally win World Series, and are set up for more - Sports

Jon Lester retires after epic MLB career as Red Sox, Cubs ace

Former Cubs, Red Sox pitcher Jon Lester announces retirement

Jon Lester retires

Longtime Red Sox and Cubs ace Jon Lester announces retirement

Jon Lester retires after epic MLB career as Red Sox, Cubs ace

Jon Lester Retires After 16 MLB Seasons; Won 3 World Series with

Jon Lester, former Boston Red Sox pitcher, retires after 16-year

Reiter 50: Scherzer, Lester, Shields lead off-season's free-agent

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