Longtime Red Sox ace Jon Lester retires after 16 MLB seasons, Red Sox
Former Cubs, Red Sox pitcher Jon Lester announces retirement
Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Jon Lester - Wikipedia
RUN ITS COURSE': Ex-Red Sox, Cubs ace Jon Lester to retire
Jon Lester hits free agency after Cubs decline option; is a Boston Red Sox reunion possible?
Former Cubs pitcher Jon Lester retires after 16 seasons
Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Nationals, Cardinals Swap Jon Lester For Lane Thomas - MLB Trade Rumors
B/R Walkoff - Jon Lester has announced his retirement. 3-time World Series champion 5-time All-Star 16 seasons 200 wins What a career 👏
An update on Javier Báez, Kris Bryant, Anthony Rizzo and other former Cubs - Bleed Cubbie Blue
Former St. Louis Cardinals pitcher Jon Lester decides to retire
Jon Lester, Major League Baseball, News, Scores, Highlights, Stats, and Rumors
Ex-Red Sox Jon Lester Not Worried About Hall Of Fame Chances
Jon Lester Retires After 16 Seasons, Established Legendary Career Despite Hitting Just 4 Home Runs - Cubs Insider