Home Runs per Nine Innings (HR/9) Calculator

Definition of Home Runs per Nine Innings (HR/9):

Home Runs per Nine Innings (HR/9) is a statistical measure used in baseball to evaluate a pitcher's performance. It is calculated by dividing the number of home runs allowed by the number of innings pitched, and then multiplying by nine.

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Home Runs per Nine Innings (HR/9)

SportCalcs
Result
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Home Runs
Innings Pitched
What is the HR/9 of a pitcher with home runs in innings pitched?
Generated at sportcalcs.com

What is the HR/9 of a pitcher with home runs in innings pitched?

Formula Explanation of Home Runs per Nine Innings (HR/9) Calculator:

The formula for calculating HR/9 is: (Home Runs / Innings Pitched) * 9. This formula essentially measures the average number of home runs a pitcher allows per nine innings.

Detailed Explanation of Home Runs per Nine Innings (HR/9) Calculator:

HR/9 is a measure of the average number of home runs a pitcher allows per nine innings, calculated as (Home Runs / Innings Pitched) * 9. This means that HR/9 rewards pitchers for allowing fewer home runs.

Importance of Home Runs per Nine Innings (HR/9) Calculator:

HR/9 is an important statistic in baseball as it is a key component of many other statistics and is a primary measure of a pitcher's susceptibility to allowing home runs. A low HR/9 means a pitcher is allowing fewer home runs, which gives their team a better chance to win.

Historical Use of Home Runs per Nine Innings (HR/9) Calculator:

Home Runs per Nine Innings (HR/9) has been used as an official MLB statistic since the early days of professional baseball. It is a measure of a pitcher's susceptibility to allowing home runs.

Historical Context of Home Runs per Nine Innings (HR/9) Calculator:

HR/9 has been used in baseball since the 19th century and is a measure of a pitcher's susceptibility to allowing home runs.

Limitations of Home Runs per Nine Innings (HR/9) Calculator:

While HR/9 is a useful statistic, it does not take into account the quality of the opposing hitters, which can significantly affect the number of home runs allowed.

Example of Home Runs per Nine Innings (HR/9) Calculator:

If a pitcher allows 1 home run in 6 innings pitched, their HR/9 would be calculated as follows: (1 (home run) / 6 (innings pitched)) * 9.

Famous Examples of Home Runs per Nine Innings (HR/9) Calculator:

Carlos Silva holds the record for the lowest single-season HR/9 at 0.43 in 2005.

Frequently Asked Questions:

What is a good HR/9?

In professional baseball, a HR/9 under 1.00 is generally considered good, and a HR/9 under 0.50 is considered excellent.

Why is HR/9 important?

HR/9 is important because it measures a pitcher's susceptibility to allowing home runs, which can significantly affect the outcome of a game.

Who has the lowest single-season HR/9?

Carlos Silva holds the record for the lowest single-season HR/9 at 0.43 in 2005.

Sources Used:

MLB

Major League Baseball explanation of Home Runs per Nine Innings (HR/9)

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Fangraphs

The Importance of HR/9

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