Jon Lester Calls It A Career
Jon Lester Retires After 16 MLB Seasons; Won 3 World Series with Red Sox and Cubs, News, Scores, Highlights, Stats, and Rumors
Former Cubs pitcher Jon Lester, part of team's World Series core, announces his retirement - Chicago Sun-Times
Red Sox, Cubs pitcher Jon Lester retires after 16 years, 3 World Series titles
Jon Lester's 200th career win, in context
Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN
MLB News: Jon Lester MLB: Pitcher announces retirement after 16 seasons and 3 World Series titles
Longtime Red Sox and Cubs ace Jon Lester announces retirement
September 20, 2021: Jon Lester earns 200th and final career win – Society for American Baseball Research
Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Jon Lester
Cardinals pitcher Jon Lester announces retirement