Check the 'Throwing a Curve Ball' link to learn about the mechanics of a curve ball.
A curve ball in baseball.
the momentum of the baseball carries the ball the way you spin it
It has to do with the way somthing spins so if you hold side it will curve
Slurve- Fred Goldsmith Knuckle Curve- ^^^same guy^^^
There are many people who played in Major League Baseball who are famous for their skills in throwing curve balls; among them is Gio Gonzalez who was a star in Major League Baseball with his skills in curveball throwing.
i curves because of the spin you put on it when it leaves your hands.