Jon Lester, Yoenis Cespedes part of A's-Red Sox trade
Jon Lester Trades and Transactions by Baseball Almanac
Jon Lester's 16-Year Career Perfectly Blended Intensity And Winning With Leadership
What if A's hadn't traded Yoenis Cespedes for Jon Lester back in 2014? – NBC Sports Bay Area & California
With Flurry Of Trades, Red Sox 'Got Rid Of A Lot Of Working Parts
Athletics go all in with Jon Lester, send Yoenis Cespedes to Red Sox - Beyond the Box Score
The Red Sox Have Traded Jon Lester and Jonny Gomes to the Athletics for Yoenis Cespedes
Former Red Sox ace Jon Lester, three-time World Series champ, retires after 16 seasons - The Boston Globe
Boston Red Sox: Breaking Down the Trade of Jon Lester to the Oakland Athletics, News, Scores, Highlights, Stats, and Rumors
Jon Lester Memorabilia, Jon Lester Collectibles, Verified Signed Jon Lester Photos
Jon Lester for Yoenis Cespedes: A trade like no other - Beyond the Box Score
Jon Lester Memorabilia, Jon Lester Collectibles, Verified Signed Jon Lester Photos