Former Cubs pitcher Jon Lester retires after 16 seasons

Red Sox, Cubs pitcher Jon Lester retires after 16 years, 3 World Series titles

Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN

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

Former Cubs, Red Sox pitcher Jon Lester announces retirement after 16 seasons

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

Gregor: Lester, a standout Cubs starter for 6 seasons, calls it a career

Jon Lester retires

Jon Lester announces his retirement after long career with Boston Red Sox and Chicago Cubs - Over the Monster

Former Cubs Pitcher Jon Lester Announces Retirement - CBS Chicago

Former All-Star pitcher Jon Lester announces retirement after 16 MLB seasons

Jon Lester discusses free-agent process and possibility of retirement after 2021 MLB season

Longtime Red Sox and Cubs ace Jon Lester announces retirement

Mastrodonato: Jon Lester retires a winner, but Red Sox still look like losers

Jon Lester retires

Jon Lester decides to retire after 16 major league seasons

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