Oakland acquires Jon Lester, Gomes from Red Sox for Cespedes
Former Cubs pitcher Jon Lester announces his retirement
Jon Lester retires after epic MLB career as Red Sox, Cubs ace
Former Red Sox ace Jon Lester, three-time World Series champ
Former Red Sox pitcher Jon Lester pops up at Fenway to catch up
Jon Lester talks about life after retirement from baseball
Jon Lester, Cubs agree to a six-year, $155 million deal
RUN ITS COURSE': Ex-Red Sox, Cubs ace Jon Lester to retire
Jon Lester hits free agency after Cubs decline option; is a Boston
Nationals, Cardinals Swap Jon Lester For Lane Thomas - MLB Trade
Jon Lester Announces Retirement - MLB Trade Rumors
Former Cubs, Red Sox pitcher Jon Lester announces retirement
Longtime Red Sox ace Jon Lester retires after 16 MLB seasons
Jon Lester, former Cubs, Red Sox pitcher, announces retirement
Former Red Sox teammates Jon Lester and John Lackey put friendship