Former Red Sox great Jon Lester is calling it a career

Jon Lester agrees to $155m deal with Chicago Cubs, Chicago Cubs

Cubs congratulate Jon Lester on career after announcing retirement

Breakdown: Jon Lester, Red Sox pull away early

Jon Lester and David Ross: Examining battery power - Over the Monster

Jon Lester Explains Why Sports Pros Love Golf So Much

Jon Lester retires

SoxProspects News: Jon Lester: The rise of the $155 million man

Red Sox starter Lester already has big win over cancer

Red Sox took the wrong road by not signing Jon Lester

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