rubber

5.07 (a) (2) The Set Position

There are two legal pitching positions, the Windup Position and the Set Position, and either position may be used at any time. Pitchers shall take signs from the catcher while in contact with the pitcher’s plate. Rule 5.07(a) Comment (Rule 8.01 Comment): Pitchers may disengage the rubber after taking their signs but may not step…

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,…

2.04 The Pitcher’s Plate

The pitcher’s plate shall be a rectangular slab of whitened rubber, 24 inches by 6 inches. It shall be set in the ground as shown in Diagrams 1 and 2, so that the distance between the pitcher’s plate and home base (the rear point of home plate) shall be 60 feet, 6 inches.

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