Pitch (baseball)
The throw of a baseball from the pitcher to a batter at home plate
Pitch (baseball)
In baseball, a pitch is the throwing of a baseball from the pitcher to a batter at home plate. The term comes from the Knickerbocker Rules. Originally, the ball had to be thrown underhand, much like pitching in horseshoes. Overhand pitching was not allowed in baseball until 1884. The biomechanics of pitching have been studied extensively. The phases of pitching include the windup, early cocking, late cocking, early acceleration, late acceleration, deceleration, and follow-through. Pitchers throw a variety of pitches, the easiest and most common pitch being the four-seam fastball. Each type has a slightly different velocity, trajectory, movement, hand position, wrist position and/or arm angle. These variations are intended to confuse the batter and ultimately aid the defensive team in getting the batter or baserunners out. To obtain variety and enhance defensive strategy, the pitcher manipulates the grip on the ball at the point of release. Variations in the grip cause the seams to catch...
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