Where is the strike zone?

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May 29, 2015
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Join us as we explore a space more mysterious than the Bermuda Triangle, more debated than the Kennedy Assassination, and more misunderstood than a Georgia O'Keefe painting ... the strike zone.

"Do not try to bend the strike zone. That is impossible. Instead, only realize the truth. There is no zone. Then you will see it is not the strike zone that bends, it is only yourself." -- Matrix Umpire Kid

Even though Major League Baseball with their robo-umpires and imaginary laser boxes cannot figure it out, the strike zone is actually well-defined. The issue with strike zones is that they are defined differently across almost every brand of the game. They also change not just with every batter, but can change from one pitch to the next to the same batter. I won't get into the ways the view of the strike zone can change (for the umpire, for the coach, for the players, or for the fans). For now I just want to look at the rules of the strike zone. The first rule of strike zone ... you don't talk about strike zone.

One thing that stays the same across every code in baseball and softball is the width of home plate. Home plate is 17 inches wide and that leads us to the first myth we need to debunk: "It caught the black!" Don't forget the old adage that black is very slimming -- this is especially true for home plate because the black is not part of the plate! The 17-inch width of home plate covers the white portion of the plate (NCAA 2.18, NFHS 1-2-2, USA 2.3G, USSSA 1.2A). If your pitcher sees a red door and tries to paint the black ... it's a ball.

Another popular myth we must debunk (no, you may substitute your own reality Mr. Savage) is that a ball "in the river" is a strike. [Inserting personal rant here: THERE IS NO RIVER ON A SOFTBALL FIELD. The ball would get wet and players would be swept away.] "The river" is a popular hangout for pitched balls that are neither over home plate nor in the batter's box. A properly set up field is not only as elusive as a cryptid, but it also has SIX inches of space between home plate and the batter's box line. This leaves plenty of space for a ball to fit into while not only NOT being in the batter's box but also NOT being over the plate. NCAA calls this "shared space for pitchers and batters and balls and strikes." Many others call it total anarchy ... "dogs and cats living together, mass hysteria!" Schrodinger's cat would be proud ... and so will I when your umpire calls this pitch a ball if it is not over the plate. Or I'll be more impressed when I see a field that actually leaves six inches between the plate and the line.

If you are like my students, by this point you are getting restless and saying "Get on with old man, you're talking too much! We don't like your pop culture references and we don't get your jokes!" I'm used to it.
here-we-go-joker.gif


NCAA 11.3.1
Strike zone. The zone is the area above home plate between the bottom of the batter’s sternum and the top of their knees when they assume their natural batting stance. The top of the ball must be on or within the horizontal plane, and either side of the ball must be on or within the vertical plane of the strike zone to be a strike unless the ball touches the ground before reaching home plate.


The NCAA rule is interesting because the TOP OF THE BALL must be within the "up-down" parts of the zone. This means a ball that just scrapes the lower limit IS a strike while a ball that is 99% below the upper limit is a ball. NCAA does use the "any part of the ball" standard for the horizontal zone (but they do for the vertical zone). If you didn't ace biology in high school, the sternum is the center bone in your chest/rib area. If you are 30 years out of high school, it is roughly the top of your beer belly.

NFHS 2-56-3
The strike zone (F.P.) is the space over home plate which is between the batter's forward armpit and the top of the knees when the batter assumes a natural batting stance. Any part of the ball passing through the strike zone in flight shall be considered a strike. The umpire shall determine the batter's strike zone according to the batter's usual stance.


NFHS uses the "any part of the ball" standard, which opens the zone up a bit. The upper limit is also much higher, using the front armpit for the top boundary. This means a ball riding the batter's shoulder could be a strike in NFHS while being a good six inches high in NCAA.

NFHS also defines the boundaries by the batter's "usual stance" not their "natural batting stance." While many would argue those are the same thing, I would say it is much easier for me to declare the batter is not in her usual stance when she reaches 3-0 and pulls a Rickey Henderson stance out.

USA Rule 1 Definitions
STRIKE ZONE: That space over any part of home plate, when a batter assumes a natural batting stance adjacent to home plate: A. (Fast Pitch) Between the batter’s arm pits and the top of the knees.

USA 7.4.A. A strike on the batter ... (Fast Pitch/Slow Pitch with stealing) For each legally pitched ball entering the strike zone.


The USA rule is similar to the NFHS rule in definition. However it provides us "the armpits" (no help on a batter who is not standing level) and the knees for the horizontal plane. It also provides no guidance on which part of the ball, so one must default to "any part of the ball" which, again, opens the zone up a bit. The fact that USA takes part of two rules and still doesn't make it any clearer is not surprising. This is an issue with a rule set that is written uniformly and applied to all age and skill levels, from youth to adults, male and female.

USSSA Rule 3 Definitions
STRIKE ZONE. The strike zone is that space over home plate, which is between the batter’s forward armpit and the top of the knees when the batter assumes a natural batting stance. Any part of the ball passing through the strike zone in flight shall be considered a strike; the Umpire shall determine the batter’s strike zone according to the batter’s usual stance.

Sound familiar? No, NFHS, we didn't steal your wording. We changed "the space" to "that space." And we used a semi-colon. It's all good! (What happens when a semi-colon breaks the law? It receives consecutive sentences. Ask your neighbor who is an English teacher.)

With all of that said ... any good umpire knows the strike zone is what actually keeps the games moving. If we called it by the book all the time, your daughter would still be playing in her third 10u game while writing her college entrance essay. You would have set up your pop-up tent to watch your daughter play and taken down when your grandkid finished.

The strike zone, like any good marriage, is set in stone but made of rubber. Appreciate it when your umpires do NOT call it by the book.
 
Jun 6, 2016
2,724
113
Chicago
Thank you for this.

Anybody want to discuss how absolutely insane the NCAA is with the top of the strike zone basically being a ball that's belly-button high?

Also, I don't think umpires should go by the book all the time, but I do think games should start by the book (exceptions for local rec leagues, etc.). Adjust as necessary. Not a fan of the umpires who take time at the plate meeting to let us know that any pitch that approaches the general vicinity of home plate (in flight or not, based on my experience) will be called a strike. I'm not gonna have a lot of respect for an umpire who starts a game by saying he's making up his own rules.
 
Oct 26, 2019
1,391
113
Thank you for this.

Anybody want to discuss how absolutely insane the NCAA is with the top of the strike zone basically being a ball that's belly-button high?

Also, I don't think umpires should go by the book all the time, but I do think games should start by the book (exceptions for local rec leagues, etc.). Adjust as necessary. Not a fan of the umpires who take time at the plate meeting to let us know that any pitch that approaches the general vicinity of home plate (in flight or not, based on my experience) will be called a strike. I'm not gonna have a lot of respect for an umpire who starts a game by saying he's making up his own rules.
The higher up in level you go (either baseball or softball) the high strike moves lower and lower. Not an opinion or statement whether right or wrong - just an observation.
 
Apr 20, 2018
4,609
113
SoCal
"NFHS uses the "any part of the ball" standard, which opens the zone up a bit. The upper limit is also much higher, using the front armpit for the top boundary. This means a ball riding the batter's shoulder could be a strike in NFHS while being a good six inches high in NCAA."

A ball catching any part of the ball catches the front arm pit is a strike then that's right around the chin and a good 10 to 12 inches above the NCAA strike zone.
 

radness

Possibilities & Opportunities!
Dec 13, 2019
7,270
113
Also, I don't think umpires should go by the book all the time, but I do think games should start by the book (exceptions for local rec leagues, etc.). Adjust as necessary.
Hmmm thats swatting a hornet's nest...yes book no book...
Game starts One Way ends another 🤷‍♀️

What would you consider adjusting as necessary? Or was that just tagged to rec ball?

Myself would prefer consistency from the beginning to the end.
 

inumpire

Observer, but has an opinion
Oct 31, 2014
278
43
Join us as we explore a space more mysterious than the Bermuda Triangle, more debated than the Kennedy Assassination, and more misunderstood than a Georgia O'Keefe painting ... the strike zone.

"Do not try to bend the strike zone. That is impossible. Instead, only realize the truth. There is no zone. Then you will see it is not the strike zone that bends, it is only yourself." -- Matrix Umpire Kid

Even though Major League Baseball with their robo-umpires and imaginary laser boxes cannot figure it out, the strike zone is actually well-defined. The issue with strike zones is that they are defined differently across almost every brand of the game. They also change not just with every batter, but can change from one pitch to the next to the same batter. I won't get into the ways the view of the strike zone can change (for the umpire, for the coach, for the players, or for the fans). For now I just want to look at the rules of the strike zone. The first rule of strike zone ... you don't talk about strike zone.

One thing that stays the same across every code in baseball and softball is the width of home plate. Home plate is 17 inches wide and that leads us to the first myth we need to debunk: "It caught the black!" Don't forget the old adage that black is very slimming -- this is especially true for home plate because the black is not part of the plate! The 17-inch width of home plate covers the white portion of the plate (NCAA 2.18, NFHS 1-2-2, USA 2.3G, USSSA 1.2A). If your pitcher sees a red door and tries to paint the black ... it's a ball.

Another popular myth we must debunk (no, you may substitute your own reality Mr. Savage) is that a ball "in the river" is a strike. [Inserting personal rant here: THERE IS NO RIVER ON A SOFTBALL FIELD. The ball would get wet and players would be swept away.] "The river" is a popular hangout for pitched balls that are neither over home plate nor in the batter's box. A properly set up field is not only as elusive as a cryptid, but it also has SIX inches of space between home plate and the batter's box line. This leaves plenty of space for a ball to fit into while not only NOT being in the batter's box but also NOT being over the plate. NCAA calls this "shared space for pitchers and batters and balls and strikes." Many others call it total anarchy ... "dogs and cats living together, mass hysteria!" Schrodinger's cat would be proud ... and so will I when your umpire calls this pitch a ball if it is not over the plate. Or I'll be more impressed when I see a field that actually leaves six inches between the plate and the line.

If you are like my students, by this point you are getting restless and saying "Get on with old man, you're talking too much! We don't like your pop culture references and we don't get your jokes!" I'm used to it.
here-we-go-joker.gif


NCAA 11.3.1
Strike zone. The zone is the area above home plate between the bottom of the batter’s sternum and the top of their knees when they assume their natural batting stance. The top of the ball must be on or within the horizontal plane, and either side of the ball must be on or within the vertical plane of the strike zone to be a strike unless the ball touches the ground before reaching home plate.


The NCAA rule is interesting because the TOP OF THE BALL must be within the "up-down" parts of the zone. This means a ball that just scrapes the lower limit IS a strike while a ball that is 99% below the upper limit is a ball. NCAA does use the "any part of the ball" standard for the horizontal zone (but they do for the vertical zone). If you didn't ace biology in high school, the sternum is the center bone in your chest/rib area. If you are 30 years out of high school, it is roughly the top of your beer belly.

NFHS 2-56-3
The strike zone (F.P.) is the space over home plate which is between the batter's forward armpit and the top of the knees when the batter assumes a natural batting stance. Any part of the ball passing through the strike zone in flight shall be considered a strike. The umpire shall determine the batter's strike zone according to the batter's usual stance.


NFHS uses the "any part of the ball" standard, which opens the zone up a bit. The upper limit is also much higher, using the front armpit for the top boundary. This means a ball riding the batter's shoulder could be a strike in NFHS while being a good six inches high in NCAA.

NFHS also defines the boundaries by the batter's "usual stance" not their "natural batting stance." While many would argue those are the same thing, I would say it is much easier for me to declare the batter is not in her usual stance when she reaches 3-0 and pulls a Rickey Henderson stance out.

USA Rule 1 Definitions
STRIKE ZONE: That space over any part of home plate, when a batter assumes a natural batting stance adjacent to home plate: A. (Fast Pitch) Between the batter’s arm pits and the top of the knees.

USA 7.4.A. A strike on the batter ... (Fast Pitch/Slow Pitch with stealing) For each legally pitched ball entering the strike zone.


The USA rule is similar to the NFHS rule in definition. However it provides us "the armpits" (no help on a batter who is not standing level) and the knees for the horizontal plane. It also provides no guidance on which part of the ball, so one must default to "any part of the ball" which, again, opens the zone up a bit. The fact that USA takes part of two rules and still doesn't make it any clearer is not surprising. This is an issue with a rule set that is written uniformly and applied to all age and skill levels, from youth to adults, male and female.

USSSA Rule 3 Definitions
STRIKE ZONE. The strike zone is that space over home plate, which is between the batter’s forward armpit and the top of the knees when the batter assumes a natural batting stance. Any part of the ball passing through the strike zone in flight shall be considered a strike; the Umpire shall determine the batter’s strike zone according to the batter’s usual stance.

Sound familiar? No, NFHS, we didn't steal your wording. We changed "the space" to "that space." And we used a semi-colon. It's all good! (What happens when a semi-colon breaks the law? It receives consecutive sentences. Ask your neighbor who is an English teacher.)

With all of that said ... any good umpire knows the strike zone is what actually keeps the games moving. If we called it by the book all the time, your daughter would still be playing in her third 10u game while writing her college entrance essay. You would have set up your pop-up tent to watch your daughter play and taken down when your grandkid finished.

The strike zone, like any good marriage, is set in stone but made of rubber. Appreciate it when your umpires do NOT call it by the book.
Very good!!
 
Dec 15, 2018
817
93
CT
"NFHS uses the "any part of the ball" standard, which opens the zone up a bit. The upper limit is also much higher, using the front armpit for the top boundary. This means a ball riding the batter's shoulder could be a strike in NFHS while being a good six inches high in NCAA."

A ball catching any part of the ball catches the front arm pit is a strike then that's right around the chin and a good 10 to 12 inches above the NCAA strike zone.

Great conversation.

Using Alo's stance here, but even in USA or NFHS (assuming this orange line is a fair definition of armpits) if I called the top softball a strike here I'd likely be crucified. The middle ball would get groans. The bottom ball would be okay at most levels, but still get the occasional groan.
 

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Jun 8, 2016
16,118
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Great conversation.

Using Alo's stance here, but even in USA or NFHS (assuming this orange line is a fair definition of armpits) if I called the top softball a strike here I'd likely be crucified. The middle ball would get groans. The bottom ball would be okay at most levels, but still get the occasional groan.
I’ve watched a lot of ball the last 40+ years and the upper part of the zone is rarely called (consistently..you might get a stray call every so often) at any level of baseball and softball.
 

Strike2

Allergic to BS
Nov 14, 2014
2,054
113
Not a fan of the umpires who take time at the plate meeting to let us know that any pitch that approaches the general vicinity of home plate (in flight or not, based on my experience) will be called a strike. I'm not gonna have a lot of respect for an umpire who starts a game by saying he's making up his own rules.

Remember this from Rec days. In practice, it usually proved to be so much posturing. I did see an umpire once call a strike that actually bounced before reaching Home. He ignored my subsequent question, but didn't do it again.
 

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