Jon Lester retires: Former Red Sox, Cubs ace concludes 16-year career - Sports Illustrated
Lester, Cubs ready in case Cleveland tries to run wild
Cubs Inbox: Prospects on rise, Jon Lester options
MLB Rumors: Giants Interested In Adding Jon Lester To Rotation
Jon Lester Announces Retirement - MLB Trade Rumors
chien-ming wang at Nationals Arm Race
What Chicago Cubs need to do before 2021 season
Nationals, Cardinals Swap Jon Lester For Lane Thomas - MLB Trade Rumors
Cubs' Jon Lester dismissive of baseball's new ideas - ABC7 Chicago
The Chicago Cubs Are Flexible Beasts - The Ringer
Cubs Live - Blogs
Whether it's goodbye or see you later, Jon Lester will always toast to Chicago - The Athletic
Cubs pitcher Jon Lester brilliantly responds to Twitter users who think he's Lester Holt
Jon Lester out of the equation for Cubs' Opening-Day starter - Chicago Sun-Times