Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Former Red Sox pitcher, World Series champion Jon Lester retiring, report says
Red Sox' Ryan Westmoreland, Drake Britton: Very different cases show the fragile nature of potential
Jon Lester, former Cubs, Red Sox pitcher, announces retirement
What's missing from latest resumption of Red Sox-Yankees rivalry? Chris Sale. Again. - The Boston Globe
Gammons: Ten years later, the 2013 Red Sox remind us that anything is possible - The Athletic
Jon Lester, two-time champion with Red Sox, announces retirement
Rays vs. Red Sox: Score, Grades and Analysis for ALDS Game 1, News, Scores, Highlights, Stats, and Rumors
Anthony Rizzo, Jon Lester bonded over cancer fights - The Boston Globe
There are indications that Xander Bogaerts is not going to resign after this season : r/redsox
Here's Why Trading Yoenis Cespedes for Jon Lester Saved the Athletics' Season : r/baseball
300 Wins? Today, Try 200 Innings - The New York Times