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

Jon Lester - Wikipedia

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

Jon Lester - Wikipedia

Former Cubs, Red Sox pitcher Jon Lester announces retirement

Two cities, one legend: Jon Lester reflects on one of a kind career with Sox, Cubs, Sports

Jon Lester traded to Oakland Athletics, Yoenis Cespedes to Boston Red Sox - ESPN

Former Cubs, Red Sox pitcher Jon Lester retires with 200 wins, 3 World Series rings - The Athletic

Jon Lester retires

World Series: Chicago Cubs beat Cleveland Indians in Game 7 - Sports Illustrated

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