From the regulation, a pitch should be called a strike when any part of the ball crosses over home plate. Thus, the width of strike zone can be viewed as the width of home plate (17 inches) plus two times the diameter of a baseball (2.91 inches).
NFHS. The strike zone is that space over home plate, the top of which is halfway between the batter’s shoulders and the waistline, and the bottom being the knees, when he assumes his natural batting stance. The height of the strike zone is determined by the batter’s normal batting stance.
The width of the strike zone is always 17 inches while the height of the strike zone is between the bottom of the batter’s knee and the midpoint between the batter’s shoulders and the top of the batter’s pants.
1996 - The Strike Zone is expanded on the lower end, moving from the top of the knees to the bottom of the knees.
As it stands now, shorter batters have the advantage of a smaller strike zone, while taller batters are disadvantaged with a larger strike zone. A batter whose stance is more upright is disadvantaged compared to a batter who crouches over.
Most batters’ strike zone boundaries are within an inch of 41 inches (3.42 feet) high at the top and within an inch of 21 inches (1.75 feet) high at the bottom. The zone boundaries shown in the graph are for the height of the middle of the baseball crossing the front of home plate.
An aggressive strike zone means the umpire does not miss the strikes at the outer edges of the zone. A tight zone indicates the umpire is missing those strikes.
The strike zone laid out in baseball’s rule book is simple; it extends a total of 17 inches across the width of home plate, between the hitter’s knee and midsection and covering the entire depth of the plate.
Louis Browns. At 3 feet 7 inches and 65 pounds, Gaedel is the smallest player in MLB history. He also had the smallest strike zone, which was measured to be just one and a half inches high when he assumed his stance.
As a result of the dropping offensive statistics, Major League Baseball took steps to reduce the advantage held by pitchers by lowering the height of the pitcher’s mound from 15 inches to 10 inches, and by reducing the size of the strike zone for the 1969 season.
By definition, the black part is NOT part of the strike zone, it exists solely to provide a color contrast to better see the edges of the plate.
Consequently, the zone was shrunk in 1969 to now span from the batter’s armpits to the top of his knees. It shrunk again in 1988 to span from the midpoint between the shoulders and belt (the letters) and top of the knees.
And why not? Hoberg leads MLB umpires with an accuracy rating of 96.4% on ball-strike calls, and three umpires have matched his MLB-best 94.9% consistency rating. Umpires, like the players they govern, can get better with age and Hoberg appears to be entering a sweet spot in his career.
But in 1996, citing concerns that baseball games were getting too long, the league lowered the bottom limit of the strike zone to the hollow beneath the batter’s kneecap. They hoped it would result in more swings and quicker outs. At the time, many players and analysts doubted that the new definition would be enforced.
Home plate umpires determine balls and strikes, and every umpire has a slightly different strike zone from each other. Some umpires tend to favor the bottom of the strike zone more than the top.
The biggest issue is that umpires have a different strike zone for left-handed and right-handed batters. The data shows that right-handed batters are more likely to have an inside pitch called a strike and left-handed batters are more likely to have an outside pitch called a strike.
Baseball has always been a game where any talented individual could pick up a bat or glove and show off his skills - despite his size. Bigger men generally have an advantage in the Major Leagues. They can throw harder, run faster, and hit more powerful.
The area over home plate from the bottom of the kneecaps to the midpoint between the top of the shoulders and the top of the uniform pants. The strike zone shall be determined from the batter’s stance as the batter is prepared to swing at a pitched ball (see diagram below).
The umpire shall determine the strike zone according to the batter’s usual stance when that batter swings at a pitch. The umpire shall determine the strike zone according to the batter’s usual stance when that batter swings at a pitch.
The error rate for MLB umpires over the last decade (2008–2018) averaged 12.78 percent. For certain strike counts and pitch locations, as discussed earlier, the error rate was much higher. Some years, the incorrect call ratio exceeded 15 percent. In 2018, it was at 9.21 percent.
The median umpire renders a correct call on 93.5% of pitches – with an elite group of eight umpires averaging at least 95% in accuracy and 94% in consistency. And Hernandez, scuffling along at 92.7% accuracy in nine appearances behind the plate this season, is far from the worst umpire in the league.
Putsy Caballero still holds the distinction of being the youngest position player in MLB’s modern era. At 16 years old, Putsy made his debut for the Phillies on September 14, 1944. He entered late in a 12-1 defeat by the Giants, subbing into the game as a defensive replacement at third, and going hitless in one at-bat.
First, the real strike zone does vary by batter height, but it doesn’t take into account the entire variation. Second, some hitters have a higher percent of high strikes called, but it doesn’t appear to be related to their height.
It was developed by Devil’s Thumb Entertainment and released on June 16, 1998, by GT Interactive. While being endorsed by Mike Piazza, Strike Zone represents all of the MLB players in the 1997–98 season including those in the National League and American League.
In the early days of baseball, the batter requested where the ball should be pitched. If the pitcher did not comply, he was warned that he was throwing unfairly, and a “ball” was called. The batter could not legally hit a called ball, nor could he be put out, First use 1867.