Jon Lester, former Cubs, Red Sox pitcher, announces retirement
A look back at Jon Lester's career - Beyond the Box Score
Tim Flannery steps down as third base coach - Giants Extra
Former Cubs, Red Sox pitcher Jon Lester announces retirement - NBC Sports
Jon Lester's 16-Year Career Perfectly Blended Intensity And Winning With Leadership
Cup of Coffee: September 14, 2023 - by Bill Baer
Interview with Jon Lester on his FIRST DAY after Retirement
Jon Lester: Most Up-to-Date Encyclopedia, News & Reviews
Former Cubs pitcher Jon Lester, part of team's World Series core, announces his retirement - Chicago Sun-Times
Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN
Former Cubs pitcher Jon Lester: I got to play for amazing teams in Chicago