Nationals, Cardinals Swap Jon Lester For Lane Thomas - MLB Trade Rumors
Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Former Cubs, Red Sox pitcher Jon Lester retires with 200 wins, 3 World Series rings - The Athletic
MLB News: Jon Lester announces retirement - Beyond the Box Score
MLB veteran pitcher Jon Lester retires after 16 seasons
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Jon Lester, former Cubs ace and World Series champ, retires from MLB – NBC Sports Chicago
Jon Lester: Breaking News, Rumors & Highlights
Former Cubs pitcher Jon Lester, part of team's World Series core, announces his retirement - Chicago Sun-Times
MLB on FOX - After 16 seasons in the big leagues, Jon Lester has announced his retirement from MLB. What a career! 👏
Jon Lester, former Cubs, Red Sox pitcher, announces retirement
Jon Lester out of the equation for Cubs' Opening-Day starter - Chicago Sun-Times
Is Jon Lester a Hall of Famer? How postseason greatness gives him a chance at Cooperstown
Three-Time World Series Champ Jon Lester Announces Retirement After 16 MLB Seasons - CBS Boston
Jon Lester announces retirement from MLB after 16 seasons