windup vs. stretch

RulesMLB Umpire Manual


Rule 5.07(a)(1): Pitchers assume the windup position in one of three ways: (1) Facing the batter, hands together, pivot foot in contact with the rubber, other foot free. This is the “traditional” windup position. From this position (hands together), any natural movement associated with his delivery of the ball to the batter commits the pitcher…

Don't strike out!

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