Jon Lester - Wikipedia
With Jon Lester's retirement we ask: How do you define a Hall of Fame starting pitcher? - The Boston Globe
A look back at Jon Lester's career - Beyond the Box Score
Jon Lester Baseball Stats by Baseball Almanac
Jon Lester: Lauded Lefty or Letdown? - Federal Baseball
Jon Lester retires: Five-time All-Star and three-time World Series champion calls it a career after 16 seasons
Washington Nationals' Jon Lester on pitcher wins; magic numbers; reading newspapers + more - Federal Baseball
Jon Lester Hall of Fame case discussion
Red Sox, Cubs pitcher Jon Lester retires after 16 years, 3 World Series titles
Jon Lester Hall of Fame case discussion
Jon Lester beat the yips with focus and determination - Sports Illustrated
Jon Lester remembered for World Series Game 5 with Cubs
Jon Lester, a three-time World Champion, announces retirement