Should Baseball Pitchers Push off the Rubber?
Pushing off the Rubber, Which Can Lead to a Jumping Motion, Will Cause the Lead Foot to Gain Undesirable Distance in Mid-Air. This Is Not Good for a Pitcher's...
Pushing off the rubber, which can lead to a jumping motion, will cause the lead foot to gain undesirable distance in mid-air. This is not good for a pitcher's delivery. ... When doing it the correct way, the second the lead foot hits the ground, the momentum of the upper half should take over to rotate toward the target.
Does a pitcher have to touch the rubber?
The pitcher must stand facing the batter and his pivot foot must be touching the pitching rubber. (More about foot positions below.) Before delivering the pitch, he will bring both hands together in front of his body.
Why does the pitcher have to step off the rubber?
If the pitcher steps backward with his stride foot, it is the beginning of his normal pitching delivery so if he stops, it is a balk. When stepping off the rubber, the pitcher must do so without hesitation or interruption and must make no movement normally associated with his motion to pitch.