Former Red Sox great Jon Lester is calling it a career
Jon Lester retires: Former Red Sox, Cubs ace concludes 16-year career - Sports Illustrated
Washington National for a minute Jon Lester announces retirement after 16-year career - Federal Baseball
Maybe the best playoff pitcher ever' - What made Jon Lester an October legend and potential Hall of Famer - ESPN
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Former Cubs pitcher Jon Lester retires after 16 seasons
Boston Red Sox Rumors: Time for Jon Lester to come home
Jon Lester beat the yips with focus and determination - Sports Illustrated
Red Sox Free Agency: Lack of interest in a Jon Lester reunion is baffling
Three-Time World Series Champ Jon Lester Announces Retirement After 16 MLB Seasons - CBS Boston
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MLB Rumors: Jon Lester has retired - Lone Star Ball
Red Sox: Boston should bring back this fan favorite to help rotation
Nationals: Thankful a Hall of Fame career included a stop in DC
Jon Lester, former New York Yankees nemesis, retires from baseball
Breakdown: Jon Lester, Red Sox pull away early
Chicago Cubs win in Jon Lester's return
