What happens if a pitcher or batter breaks the pitch timer?

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Accepted Answer

A pitcher who violates the timer is charged with an automatic ball. The pitcher must begin his motion before the timer expires. A batter who violates the timer is charged with an automatic strike. Batters must be in the box and alert to the pitcher by the 8-second mark or they are charged with an automatic strike. Umpires may allow extra time in special circumstances. MLB's example is a catcher thrown out on the bases to end the previous half-inning who needs extra time to put on his gear. Source: MLB, Pitch Timer (mlb.com/glossary/rules/pitch-timer).