RulesMLB Umpire Manual
SET VS. WINDUP POSITION
Rules 5.07(a)(1), 5.07(a)(2): The comment to Official Baseball Rule 5.07(a)(2) states, in part, that, “With a runner or runners on base, a pitcher will be presumed to be pitching from the Set Position if he stands with his pivot foot in contact with and parallel to the pitcher’s plate, and his other foot in front…
RulesMLB
5.07 (a) (1) The Windup Position
The pitcher shall stand facing the batter, his pivot foot in contact with the pitcher’s plate and the other foot free. From this position any natural movement associated with his delivery of the ball to the batter commits him to the pitch without interruption or alteration. He shall not raise either foot from the ground,…
