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Jon Lester not scheduled to pitch against Red Sox - The Boston Globe
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Former Cubs, Red Sox pitcher Jon Lester announces retirement
![Jon Lester would welcome a Red Sox-Cubs World Series - The Boston](https://sportshub.cbsistatic.com/i/2021/02/11/d40e70e0-c12f-4145-abb4-cb4b0972aa01/gettyimages-1229341984.jpg?width=320&height=180)
Jon Lester discusses free-agent process and possibility of retirement after 2021 MLB season
![Jon Lester would welcome a Red Sox-Cubs World Series - The Boston](https://cdn.theathletic.com/cdn-cgi/image/width=1200,height=1200,fit=cover/app/uploads/2020/09/27002119/cubs-6.jpg)
The future is uncertain, but Jon Lester forever changed the culture of the Cubs - The Athletic
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Jon Lester paying back Red Sox betrayal with Xander Bogaerts courtship
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Jon Lester's 16-Year Career Perfectly Blended Intensity And Winning With Leadership
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Former Cubs, Red Sox pitcher Jon Lester announces retirement
![Jon Lester would welcome a Red Sox-Cubs World Series - The Boston](https://talkingpointssports.com/wp-content/uploads/2022/01/jon-lester.jpeg)
Jon Lester Calls It A Career
![Jon Lester would welcome a Red Sox-Cubs World Series - The Boston](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/wg6imal9yd6q6yr2qyng)
Jon Lester returns to Wrigley Field
![Jon Lester would welcome a Red Sox-Cubs World Series - The Boston](https://www.courant.com/wp-content/uploads/migration/2014/12/11/23MVBTE4SFGSBC5BGMK2RLGT5Y.jpg?w=620)
With Jon Lester signing, Cubs shake up the baseball world – Hartford Courant
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A head-spinning day of deals for the Red Sox
![Jon Lester would welcome a Red Sox-Cubs World Series - The Boston](https://www.si.com/.image/ar_4:3%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTg2NjQ2ODc2MTYwNzk2NTA5/jon-lester.jpg)
Jon Lester retires: Former Red Sox, Cubs ace concludes 16-year career - Sports Illustrated