Jon Lester traded to Oakland Athletics, Yoenis Cespedes to Boston
MLB: Jon Lester makes an impact with Oakland; New York Yankees
The Oakland a's Just Shook up Baseball and Are Going All-in to Win
Meet Yoenis Cespedes, new Red Sox outfielder - The Boston Globe
Jon Lester dealt for Yoenis Cespedes - ABC7 Chicago
Price, Lester, Lackey traded in deadline flurry – Macomb Daily
Jon Lester turns in flawless outing for Red Sox
Pitcher Jon Lester, 3-time World Series champ, retires with 200 wins
Red Sox trade Lester, Gomes to A's, Lackey to Cardinals, Drew to