Bob Tewksbury Mental Coaching book: Jon Lester drills - Sports Illustrated
Jon Lester's First-Base Throws Now Bounce Because of His Bizarre Yips
Why former Cubs ace Jon Lester has compelling Hall of Fame case – NBC Sports Chicago
John Lester's Yips: Is This Really a Thing?
Jon Lester's 200th Career Win
A look back at Jon Lester's career - Beyond the Box Score
Dodgers Report: Complete Coverage Of The LA Dodgers - ESPN Los Angeles
Why Jon Lester Can't Throw the Ball to First Base in World Series Game 7
John Lester's Yips: Is This Really a Thing?
Jon Lester retires: Five-time All-Star and three-time World Series champion calls it a career after 16 seasons
The curious case of Jon Lester's yips
Jon Lester Can't Throw to First Base. So Why Aren't Opponents Running Wild? - WSJ
Jon Lester conquered the yips once more in NLDS Game 4 - Sports Illustrated
Championship Year in Review: From April to October, in their own words - Giants Extra
Jon Lester