Jon Lester retires

Jon Lester Announces Retirement - MLB Trade Rumors

Jon Lester retires

Jon Lester is Retiring - Bleacher Nation

Jon Lester, former Cubs, Red Sox pitcher, announces retirement

Despite Rocky Nationals Stint, Jon Lester Retires A Postseason Legend

Former St. Louis Cardinals pitcher Jon Lester decides to retire

Former All-Star pitcher Jon Lester announces retirement after 16

Jon Lester was an amazing person to have on the Chicago Cubs

Jon Lester's retirement reminds us Red Sox never should have let

Jon Lester retires

Jon Lester decides to retire after 16 major league seasons

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