An Inverted K is a baseball pitching statistic that measures how effective a pitcher is at striking out batters. It is calculated by subtracting the number of walks allowed from the number of strikeouts. It is an important statistic for evaluating a pitcher’s overall effectiveness and is often used to measure a pitcher’s ability to control the strike zone.

## History of the Inverted K

The Inverted K was first introduced in the early 2000s by sabermetrician Voros McCracken. McCracken was studying pitching statistics and noticed that the number of strikeouts was strongly correlated with the number of walks allowed, but not with the number of hits allowed. He proposed that pitchers had more control over the strike zone than previously thought and developed the Inverted K statistic to quantify this.

The Inverted K has since been adopted by Major League Baseball, and is now one of the most commonly used pitching statistics. It is used to evaluate pitchers and is included in many sabermetric calculations.

## How to Calculate an Inverted K

The Inverted K is calculated by subtracting the number of walks allowed from the number of strikeouts. The formula is:

## Inverted K = Strike Outs – Walks

For example, if a pitcher has a strikeout-to-walk ratio of 3-to-1, their Inverted K would be 2.

## Importance of the Inverted K

The Inverted K is a useful statistic for evaluating a pitcher’s ability to control the strike zone. It measures a pitcher’s effectiveness at striking out batters and minimizing walks.

A high Inverted K indicates a pitcher is able to throw strikes consistently and can induce batters to swing and miss. A low Inverted K indicates that the pitcher is walking too many batters or not striking out enough batters.

The Inverted K can also be used to compare pitchers, as it gives a clear indication of a pitcher’s ability to control the strike zone. Generally, a higher Inverted K is more desirable than a lower one.

## Conclusion

The Inverted K is an important statistic in baseball that measures how effective a pitcher is at striking out batters. It is calculated by subtracting the number of walks allowed from the number of strikeouts and is used to evaluate a pitcher’s ability to control the strike zone. A high Inverted K is generally more desirable than a low one, and can be used to compare pitchers.