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Illegal Pitches in Baseball: History, Rules, and Impact on the Game

Ever wondered what makes a pitch illegal in baseball? Whether you’re a seasoned fan or new to the game, understanding the nuances of an illegal pitch can deepen your appreciation for America’s pastime.

An illegal pitch occurs when a pitcher violates specific rules, such as delivering a pitch without having their pivot foot in contact with the rubber or making a quick return pitch.

When an illegal pitch is called, the consequences vary depending on the game situation. With runners on base, it results in a balk, advancing the runners.

If no runners are on base, it’s simply called a ball unless the batter swings and reaches first base, in which case the play stands.