(All definitions in Rule 2.00 are listed alphabetically) ADJUDGED is a judgment decision by an umpire. An APPEAL is an act of a fielder in claiming a violation of the rules by the offensive team. An AT-BAT, for …

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 …

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 …

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 standing on the pitcher's plate. Pitchers …

The pitcher shall not - (a) (1) bring the pitching hand in contact with the mouth or lips while in the 10-foot circle (18-foot circle in Intermediate (50-70) Division/ Junior/ Senior/ Big League) surrounding the pitcher's …

If a pitcher commits an illegal pitch the ball is immediately dead and a ball is added to the hitters count. If the illegal pitch occurs while a runner is on base, that is a …

STANDARDS FOR REMOVAL FROM THE GAME MLB Umpires are entrusted with the authority to remove any participant from a game. This responsibility should never be taken lightly. Major League Baseball recognizes that every situation is …

Balk SECTION 3. If there is a runner or runners, a balk shall be called for the following action by a pitcher: a. While touching the pitcher's plate, any feinting motion without completing the throw toward the …

1-2-1 A diamond (or infield) shall be a 90-foot square. When measuring the distance to first base and third base, measure from the apex of home plate to the back edge of the base. The …

By rule, a batter can not cause a pitcher to balk. A balk is the result of an illegal action by the pitcher while any base is occupied. If the batter leaves the batter's box …