How Many Pitches Is the Average Baseball Thrown in an MLB Game Before the Baseball Is Replaced with a New One?
In Major League Baseball (MLB), the average baseball is thrown between 70 and 100 pitches before it is replaced with a new one. The umpire checks the baseball for damage, such as tears, scuffs, or dents, after each pitch. If any damage is found, the umpire will replace the baseball with a new one.
Factors Affecting the Number of Pitches
Several factors can affect the number of pitches thrown before a baseball is replaced, including:
- Pitch type: Fastballs generally put more stress on the baseball than slower pitches, such as changeups or curveballs.
- Hit: A hard-hit ball can damage the baseball, especially if it is hit with the end of the bat.
- Number of dropped balls: If a ball is dropped or fumbled by a player, it may pick up dirt or debris, which can damage the leather cover.
- Weather conditions: Extreme heat or cold can affect the integrity of the baseball.
Replacing the Baseball
The umpire has the final say on whether to replace the baseball. If the umpire believes that the baseball is no longer suitable for play, they will signal for a new one. The new baseball will be taken from a supply of game-ready baseballs kept in the umpire's locker room.
Related Questions
- How often is the baseball replaced in an MLB game? 70-100 pitches or whenever the umpire determines it is damaged
- Why is the baseball replaced? To ensure fair and safe play
- Who is responsible for replacing the baseball? The umpire
- What factors affect how long a baseball lasts? Pitch type, hit quality, dropped balls, weather conditions
- How many baseballs are used in an MLB game? Typically between 6 and 12
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