After Jon Lester Deal, a Slump Also Arrives in Oakland - The New York Times
Washington Nationals: Making a case to sign Jon Lester
Former Cubs pitcher Jon Lester retires after 16 seasons
Jon Lester shows no signs of stopping after an impressive 2018 turnaround - The Athletic
Why Jon Lester reached out about Justin Steele before he became the Cubs' new ace - The Athletic
Longtime Red Sox ace Jon Lester retires after 16 MLB seasons
Postseason Jon Lester is tough to beat
Jon Lester provides funny responses when asked about returning to Wrigley Field
Former All-Star pitcher Jon Lester announces retirement after 16 MLB seasons
Jon Lester Never Quits for Pediatric Cancer Research
Former Cubs, Red Sox pitcher Jon Lester announces retirement - NBC Sports
Nightengale: Jon Lester Hopes to End Cubs' 108-Year World Series 'Curse' – The Sport Digest
Athletics 2014 season review: Jon Lester, the ringer who wasn't enough - Athletics Nation
Jon Lester is Thinking About it. When Jon Lester fields a ball, you can…, by Evan Dent
Jon Lester: Cancer survivor and World Series champ