How to Throw a Gyroball: 15 Steps (with Pictures) - wikiHow

In 2001, Japanese pitching coach, Kazushi Tezuka and a Japanese computer scientist, Ryutaro Himeno published a book called The Secret of the Demon Miracle Pitch. It showcased a new type of baseball pitch called the gyroball. The gyroball

How to Throw a Gyroball: 15 Steps (with Pictures) - wikiHow

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How to Throw a Gyroball: 15 Steps (with Pictures) - wikiHow