Oakland acquires Jon Lester, Gomes from Red Sox for Cespedes
Bernie: As Jon Lester Retires, An Appreciation Of A Former Rival
Former Cubs, Red Sox pitcher Jon Lester announces retirement
Cubs' Jon Lester goes for 13th straight 30-start season - Chicago
Jon Lester - Wikipedia
Jon Lester: Cubs veteran has no hard feelings towards Red Sox
It's quite amazing how Jon Lester pitches in Game 4 of the 2007
Jon Lester, done after 16 seasons, gave the Red Sox everything he
Three-Time World Series Champ Jon Lester Announces Retirement
Jon Lester announces his retirement after long career with Boston