What is a Good GB% in Baseball?

Groundball percentage, or GB%, is a major component of a pitcher’s skill set in baseball. Groundball percentage measures the number of groundballs a pitcher yields compared to the number of fly balls he throws. This statistic is important for pitchers because it determines how effective the pitcher is at keeping the ball out of the air and on the ground, reducing the chances of it being hit for extra bases or a home run. High groundball rates can indicate a pitcher who is successful at keeping runs off the board, while low groundball rates may indicate a pitcher who is prone to giving up more hits and runs. In this article, we will discuss the importance of groundball percentage and what a “good” groundball percentage is.

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What is GB%?

Groundball percentage is a statistic that measures the percentage of groundballs a pitcher yields relative to the number of fly balls he throws. It is calculated by dividing the number of groundballs a pitcher throws by the total number of balls he throws (groundballs and fly balls). A pitcher’s groundball percentage is expressed as a percentage, with 100% being the highest possible mark and 0% being the lowest.

Why is GB% Important?

Groundball percentage is an important statistic for pitchers because it measures how effective a pitcher is at keeping the ball on the ground. Groundballs are generally easier to field and less likely to be hit for extra bases or a home run than fly balls. Therefore, a pitcher with a higher groundball percentage is more likely to give up fewer hits and runs than a pitcher with a lower groundball percentage.

What is a Good GB%?

The “ideal” groundball percentage is largely dependent on the pitcher’s skill set and style of pitching. Generally speaking, a good groundball percentage is considered to be around 50%, with anything above that being considered exceptional. Groundball percentages above 60% are considered to be the most effective, as they indicate a pitcher who is able to keep the ball on the ground consistently.

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Factors that Affect GB%

While a good groundball percentage is considered to be around 50%, there are several factors that can affect a pitcher’s groundball rate. These include:

Pitch Selection: A pitcher’s pitch selection has a major impact on his groundball rate. Pitchers who rely on sinkers, cutters, and breaking balls are more likely to induce groundballs than pitchers who rely on straight fastballs, as these pitches have a greater tendency to move downward and induce groundballs.

Pitcher’s Height: The height of the pitcher can also have an effect on groundball rate. Generally speaking, taller pitchers are more likely to induce groundballs than shorter pitchers, as they have a greater downward angle on their pitches.

Stadium Factors: The stadium in which the pitcher is pitching can also have an effect on groundball rate. Generally speaking, stadiums with more open spaces tend to yield a higher groundball rate than stadiums with smaller, enclosed spaces.

Conclusion

Groundball percentage is an important statistic for pitchers in baseball, as it measures how effective a pitcher is at keeping the ball on the ground and out of the air. Generally speaking, a good groundball percentage is considered to be around 50%, with anything above that being considered exceptional. There are several factors that can affect a pitcher’s groundball rate, including pitch selection, pitcher’s height, and stadium factors. Ultimately, the “ideal” groundball percentage varies from pitcher to pitcher and is largely dependent on the pitcher’s skill set and style of pitching.