Blockbuster Trades in Baseball - Sports Illustrated
How Theo Epstein built the Chicago Cubs into the best team in MLB - Sports Illustrated
Jon Lester: Former Chicago Cubs, Boston Red Sox ace retires
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 pitcher Jon Lester, part of team's World Series core, announces his retirement - Chicago Sun-Times
Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Jon Lester beat the yips with focus and determination - Sports Illustrated
MLB Rumors: Jon Lester has retired - Lone Star Ball
Former Cubs, Red Sox pitcher Jon Lester announces retirement National News - Bally Sports
Jon Lester retires
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