Jon Lester
Jon Lester beat the yips with focus and determination - Sports Illustrated
Former Cubs, Red Sox pitcher Jon Lester retires with 200 wins, 3 World Series rings - The Athletic
Jon Lester talks about life after retirement from baseball
Former Red Sox ace Jon Lester, three-time World Series champ, retires after 16 seasons - The Boston Globe
2016 MLB postseason: Complete coverage of every series - ESPN
Jon Lester - Wikipedia
Jon Lester Retires After 16 MLB Seasons; Won 3 World Series with Red Sox and Cubs, News, Scores, Highlights, Stats, and Rumors
Reiter 50: Scherzer, Lester, Shields lead off-season's free-agent rankings - Sports Illustrated