Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN
Three-time MLB champion pitcher Lester retires at 38
Former Cubs, Red Sox pitcher Jon Lester announces retirement
Former Cubs, Red Sox pitcher Jon Lester announces retirement
Jon Lester - Wikipedia
Anibal Sanchez: Breaking News, Rumors & Highlights
Three-time World Series champion Jon Lester announces retirement
Former Cardinals pitcher Jon Lester announces retirement
RUN ITS COURSE': Ex-Red Sox, Cubs ace Jon Lester to retire
Cardinals pitcher Jon Lester announces retirement
Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Jon Lester - St. Louis Cardinals Starting Pitcher - ESPN
Former Cardinal Jon Lester Retires