Jon Lester Announces Retirement - MLB Trade Rumors
Washington National for a minute Jon Lester announces retirement
MLB veteran pitcher Jon Lester retires after 16 seasons
Jon Lester announces retirement after 16 seasons, three World
Jon Lester News, Photos, Quotes, Video
Jon Lester retires
Mastrodonato: Jon Lester retires a winner, but Red Sox still look like
Jon Lester announces retirement from MLB after 16 seasons
Is Jon Lester a Hall of Famer? John Lackey has a strong take – NBC
Cubs pay tribute to Jon Lester's 'remarkable career' – NBC Sports