pitch
in baseball, the act of throwing the ball toward the home plate to start play
knuckleball
type of baseball pitch
fastball
type of pitch in baseball
spitball
baseball that has been altered by the application of saliva or other foreign substance
off-speed pitch
pitch thrown at a slower speed than a fastball
emery ball
illegal baseball pitch
split-finger fastball
pitch in baseball, named after the technique of putting the index and middle finger on different sides of the ball; it appears to be a fastball initially, but near homeplate it suddenly moves downwards
ball
baseball pitch that does not pass through the strike zone and is not swung at
strike
in baseball, a pitch in the strike zone that is not swung at, or any pitch swung at but not hit into fair territory (or, for a third strike, not hit at all)
breaking ball
baseball pitch that does not travel straight