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

Former Cubs pitcher Jon Lester, part of team's World Series core, announces his retirement - Chicago Sun-Times

Jon Lester retires

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

2015 NL Central Preview: The Cardinals Don't Care About Your Cubs Obsession

Jon Lester beat the yips with focus and determination - Sports Illustrated

Former Cubs, Red Sox pitcher Jon Lester announces retirement National News - Bally Sports

RUN ITS COURSE': Ex-Red Sox, Cubs ace Jon Lester to retire

Jon Lester Retires After 16 MLB Seasons; Won 3 World Series with Red Sox and Cubs, News, Scores, Highlights, Stats, and Rumors

Jon Lester beat the yips with focus and determination - Sports Illustrated

Jon Lester

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