How to Throw a Gyroball: 15 Steps (with Pictures) - wikiHow
The Japanese Gyroball Mystery - The New York Times
ESPN.com - E-Ticket: Chasing the Demon Sphere
Not Much to Matsuzaka's Mystery Pitch - The New York Times
The Physics of the Gyro Pitch | The Hardball Times
Stroboscopic image of a baseball thrown as a gyroball. The ball speed V... | Download Scientific Diagram
An Analysis of the Gyroball – Society for American Baseball Research
The Gyroball
Is the gyro pitch in baseball real or an illusion? - Quora
Baseball's Total Spin Rate vs. True Spin Rate (simplified) • RPP Baseball
Unwinding the mystery of the gyroball
Daisuke Matsuzaka Getting Strikeouts With His Gyroball - YouTube
CR4 - Blog Entry: Baseball's Bigfoot: The Gyroball
The Physics of the Gyro Pitch | The Hardball Times
Gyro Ball Forearm and Grip Trainer - U Go Pro Baseball
In search of the magical mystery pitch - The Boston Globe
How to Throw a Gyroball: 15 Steps (with Pictures) - wikiHow
ESPN.com - E-Ticket: Chasing the Demon Sphere
How to Throw a Gyroball: 15 Steps (with Pictures) - wikiHow
Under The Knife: Matsuzaka and the Gyroball - Baseball ProspectusBaseball Prospectus
