MLB Pitch Clock Rules Explained: Timers, Pickoffs and Bigger Bases
The pitch clock cut nearly half an hour from the average game. Here is how every timer, pickoff limit and penalty works.
In 2023, Major League Baseball made its biggest rule changes in decades. The headline was the pitch clock, and it worked: the average nine inning game dropped by roughly 25 minutes in its first season, while action on the bases jumped.
The Pitch Clock
A clock starts once the pitcher has the ball back:
- 15 seconds with the bases empty
- 18 seconds with runners on base (shortened from 20 seconds in 2024)
The pitcher must begin the motion before the clock hits zero. If not, the batter gets an automatic ball.
Batter Rules
Hitters have their own deadline. The batter must be in the box and alert to the pitcher with 8 seconds left on the clock. Miss that and it is an automatic strike. Batters also get only one timeout per plate appearance.
Pickoff and Disengagement Limits
Pitchers are limited to two disengagements per plate appearance. A disengagement is a pickoff attempt or stepping off the rubber.
- A third pickoff attempt that fails is a balk, and every runner moves up a base.
- If the third attempt gets the runner out, there is no penalty.
This rule, combined with bigger bases, made stolen bases a major weapon again.
Bigger Bases
First, second and third base grew from 15 inches square to 18 inches square. That shortens the distance between bases slightly and gives fielders and runners more room, which also helps reduce collisions.
The Shift Restrictions
Defenses must have two infielders on each side of second base, with all four infielders on the dirt when the pitch is thrown. The goal was to bring back hits through the infield, especially for left handed pull hitters.
Did It Work?
By most measures, yes:
- Shorter games, often finishing in well under three hours
- More stolen bases and more action on the base paths
- Higher batting averages on balls in play after the shift limits
Some purists still miss the slower pace, but most fans and players now consider the clock part of modern baseball. Next came another big change: the ABS challenge system.
Background from Wikipedia
Pitch clock
A pitch clock (also known as a pitch timer) is used in various baseball leagues to limit the amount of time a pitcher takes before throwing a pitch and/or limit the amount of time the hitter uses before they are set to hit.
Various baseball leagues and tournaments around the world use a pitch clock to speed up the pace of play. Major League Baseball (MLB) began using a pitch clock in the 2023 season following a period of tests on MLB partner leagues, minor league baseball, and college baseball.
Text from Wikipedia, CC BY-SA 4.0
Frequently Asked Questions
How long is the MLB pitch clock?
Pitchers have 15 seconds to begin their delivery with the bases empty and 18 seconds with runners on base.
What happens if a pitcher violates the pitch clock?
The batter is automatically awarded a ball.
What happens if a batter violates the pitch clock?
If the batter is not in the box and alert to the pitcher by the 8 second mark, the batter is charged an automatic strike.
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