Jon Lester retires after 16 seasons
MLB Transactions Daily on Instagram: “BREAKING: Jon Lester has announced his retirement from baseball after parts of 16 major league seasons. The 38-year-old made his MLB debut…”
Jon Lester was an amazing person to have on the Chicago Cubs
Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN
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Jon Lester announces retirement after finishing career with Cardinals Midwest News - Bally Sports
Jon Lester announces retirement from MLB after 16 seasons
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Three-Time World Series Champ Jon Lester Announces Retirement After 16 MLB Seasons - CBS Boston