Veteran Pitcher Lester Retires
Jon Lester, former Cubs ace and World Series champ, retires from MLB – NBC Sports Chicago
Jon Lester, former Boston Red Sox pitcher, retires after 16-year MLB career (report)
Jon Lester announces retirement from MLB after 16 seasons
Jon Lester, a three-time World Champion, announces retirement
Jon Lester joins Cardinals
Jon Lester, Major League Baseball, News, Scores, Highlights, Stats, and Rumors
Former Cubs, Red Sox pitcher Jon Lester retires with 200 wins, 3 World Series rings - The Athletic
Three-time MLB champion pitcher Lester retires at 38