Jon Lester option declined by Cubs, lefty becomes free agent - The San Diego Union-Tribune

OFFSEASON NOTES: The focus right now is Pablo, Pablo, Pablo Lincecum to go back into rotation Susac takes over backup job - Giants Extra

Former Cubs pitcher Jon Lester retires after 16 seasons

2014 Kansas Baseball Media Guide by Kansas Jayhawks - Issuu

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Jon Lester Can't Throw the Ball to First Base and It's Getting Ugly for the Cubs

Cubs' Jon Lester dismissive of baseball's new ideas - ABC7 Chicago

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

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Column: Why Chicago Cubs should retire Jon Lester's number