Mastrodonato: Jon Lester retires a winner, but Red Sox still look
Former All-Star pitcher Jon Lester announces retirement after 16
Cubs champion Lester, who claimed his 200th win and closed career
Jon Lester announces his retirement after long career with Boston
Jon Lester retires
Former Red Sox pitcher Jon Lester retires after 16 seasons
Jon Lester retires
Jon Lester's retirement reminds us Red Sox never should have let
Jon Lester was an amazing person to have on the Chicago Cubs
Jon Lester retires
Cubs congratulate Jon Lester on career after announcing retirement
Former Oakland A's pitcher Jon Lester retires