Former Oakland A's pitcher Jon Lester retires
Nationals, Cardinals Swap Jon Lester For Lane Thomas - MLB Trade
Former All-Star pitcher Jon Lester announces retirement after 16
Maybe the best playoff pitcher ever': What made Jon Lester an
Jon Lester strong on short rest for Nationals
Mastrodonato: Jon Lester retires a winner, but Red Sox still look like
Jon Lester retires: Former Red Sox, Cubs ace concludes 16-year
Jon Lester, former Boston Red Sox pitcher, retires after 16-year
Jon Lester announces retirement from MLB after 16 seasons
Jon Lester, former New York Yankees nemesis, retires from baseball
Former Cubs, Red Sox pitcher Jon Lester announces retirement after
Jon Lester retires