Former Cubs pitcher Jon Lester, part of team's World Series core, announces his retirement - Chicago Sun-Times
MLB trade rumors and news: Blue Jays sign George Springer and Kirby Yates - MLB Daily Dish
MLB trade rumors and news: The cold stove begins to heat up, no one gets into the Hall of Fame - MLB Daily Dish
Two cities, one legend: Jon Lester reflects on one of a kind career with Sox, Cubs, Sports
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Former Cubs, Red Sox pitcher Jon Lester announces retirement
Derek Jeter - Wikipedia
Jon Lester was an amazing person to have on the Chicago Cubs
Two cities, one legend: Jon Lester reflects on one of a kind career with Sox, Cubs, Sports
Current fixation on Cubs likely, as always, much ado about nothing – Hartford Courant
Jon Lester, Cubs agree to a six-year, $155 million deal
Cubs release former ace Arrieta after rough return to team
Longtime Red Sox and Cubs ace Jon Lester announces retirement
Cliff Lee - Wikipedia
Former Cubs, Red Sox pitcher Jon Lester retires with 200 wins, 3 World Series rings - The Athletic
