Jon Lester announces retirement from MLB after 16 seasons
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Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Jon Lester retires
Jon Lester retires: Five-time All-Star and three-time World Series champion calls it a career after 16 seasons
Jon Lester Calls It A Career
Cubs News: Jon Lester announces retirement after 16 seasons
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Jon Lester announces his retirement after long career with Boston Red Sox and Chicago Cubs - Over the Monster
