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Former Cubs pitcher Jon Lester, part of team's World Series core, announces his retirement - Chicago Sun-Times
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MLB veteran pitcher Jon Lester retires after 16 seasons
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Jon_Lester
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Former All-Star pitcher Jon Lester announces retirement after 16 MLB seasons
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Jon Lester, two-time champion with Red Sox, announces retirement
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Jon Lester announces retirement from MLB after 16 seasons
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Ex-Red Sox Jon Lester Not Worried About Hall Of Fame Chances
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Former Cardinals pitcher Jon Lester announces retirement
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Jon Lester: Breaking News, Rumors & Highlights
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Former Cubs, Red Sox pitcher Jon Lester announces retirement
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Jon Lester's retirement reminds us Red Sox never should have let him go
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Mastrodonato: Jon Lester retires a winner, but Red Sox still look like losers
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Gregor: Lester, a standout Cubs starter for 6 seasons, calls it a career
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Washington National for a minute Jon Lester announces retirement after 16-year career - Federal Baseball
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Jon Lester will be the next Cubs player inducted into the Hall of Fame