What the Heck Is a Gyroball? – (Keith Chu, 11/10/2006, Slate)
Ace pitcher Daisuke Matsuzaka is being auctioned off by his Japanese baseball team this week. Early reports indicate that major-league clubs may be willing to pay $40 million or more for the rights to negotiate with Matsuzaka, who is supposed to be able to throw a mysterious pitch called the gyroball. What is the gyroball?