Jon Lester retires: Five-time All-Star and three-time World Series champion calls it a career after 16 seasons

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

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

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Former Cubs, Red Sox pitcher Jon Lester announces retirement

Washington National for a minute Jon Lester announces retirement after 16-year career - Federal Baseball

Jon Lester retires: Five-time All-Star and three-time World Series champion calls it a career after 16 seasons

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

September 20, 2021: Jon Lester earns 200th and final career win – Society for American Baseball Research

3-Time World Series Winner Retiring After 16 Seasons in the MLB

July 19, 2021: Jon Lester hits a high note, and a homer, as Nationals rout Marlins – Society for American Baseball Research

Dusty Baker tells newspaper he is retiring as manager of the Houston Astros