# Breaking Ball vs. Curve

**URL:** <https://boards.straightdope.com/t/breaking-ball-vs-curve/63633>\
**Category:** Factual Questions\
**Created:** [April 28, 2001, 1:22pm UTC](https://boards.straightdope.com/t/breaking-ball-vs-curve/63633 "2001-04-28T13:22:57Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![tiny\_ham](https://avatars.discourse-cdn.com/v4/letter/t/a183cd/32.png) [@tiny\_ham](https://boards.straightdope.com/u/tiny_ham)\
**Post date:** [April 28, 2001, 1:22pm UTC](https://boards.straightdope.com/t/breaking-ball-vs-curve/63633/1 "2001-04-28T13:22:57Z")

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As I sit here, carefully preparing my proposal to make Kerry Wood my OWN PERSONAL STARTER I realize that I should get the fundamentals down about the various pitches…in case he wants to do some ‘light tossing in the bullpen’…

_IF YOU KNOW WHAT I MEAN_

I’ve got the fast ball down.  
I’ve got the change up down  
I’ve got the breaking ball down…

but wait…

I’ve got the curve down, and I think it’s the same as the breaking ball…

are those terms interchangeable or is a breaking ball pitch different than a curve?

jarbaby

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**Author:** ![headshok](https://avatars.discourse-cdn.com/v4/letter/h/e56c9b/32.png) [@headshok](https://boards.straightdope.com/u/headshok)\
**Post date:** [April 28, 2001, 3:10pm UTC](https://boards.straightdope.com/t/breaking-ball-vs-curve/63633/2 "2001-04-28T15:10:30Z")

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A breaking pitch is any pitch that appears to “break” away from its expected trajectory. So a curveball is a breaking pitch, but a breaking pitch is not necessarily a curveball. You’ve got curveballs, sliders, screwballs, split-finger fastballs, etc. How they break depends on the pitcher’s grip and throwing motion.

Popular Mechanics has a pretty good [article](http://popularmechanics.com/popmech/sci/9704STSSAM.html) on breaking pitches; how they’re thrown, the physics involved, whether they really break, etc. Just imagine how impressed Kerry will be with your knowledge of the ‘proper grip’.

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**Author:** ![tracer](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/tracer/32/20578_2.png) [@tracer](https://boards.straightdope.com/u/tracer)\
**Post date:** [April 28, 2001, 4:25pm UTC](https://boards.straightdope.com/t/breaking-ball-vs-curve/63633/3 "2001-04-28T16:25:35Z")

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Incidentally, the “fork ball” referred to in the above Popular Mechanics link is the same pitch that is usually called the “split-finger fastball” today.

And, as headshok has correctly pointed out, the fork ball – as well as the curve ball, the slider, and the dreaded screwball – are all considered “breaking ball” pitches.

When the sports announcer says, “He just threw a breaking ball,” he really means, “He just threw some kind of breaking pitch – maybe a slider, maybe a curve ball, I didn’t get a good enough look at it to tell.”

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**Author:** ![DynoSaur](https://avatars.discourse-cdn.com/v4/letter/d/b487fb/32.png) [@DynoSaur](https://boards.straightdope.com/u/DynoSaur)\
**Post date:** [April 28, 2001, 9:10pm UTC](https://boards.straightdope.com/t/breaking-ball-vs-curve/63633/4 "2001-04-28T21:10:45Z")

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> [@](#):
>
> \*Originally posted by jarbabyj \*  
> \*\*As I sit here, carefully preparing my proposal to make Kerry Wood my OWN PERSONAL STARTER
> 
> jarbaby \*\*

Let’s not be greedy, jarbaby…the Cubs need him more than you do. (14 Ks in 6 innings. Ouch.) You can have him between October and March.

Just be sure to keep him in good physical condition 😉

Oh, and to answer your question…see what the serious people said before me.

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**Author:** ![tiny\_ham](https://avatars.discourse-cdn.com/v4/letter/t/a183cd/32.png) [@tiny\_ham](https://boards.straightdope.com/u/tiny_ham)\
**Post date:** [April 28, 2001, 9:15pm UTC](https://boards.straightdope.com/t/breaking-ball-vs-curve/63633/5 "2001-04-28T21:15:48Z")

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> [@](#):
>
> \*Originally posted by DynoSaur \*  
> Let’s not be greedy, jarbaby…the Cubs need him more than you do.

Are you sure Dyno…_ARE YOU SURE?_

_sigh_, Kerry…he needs some corrupting.

thanks for the info on the pitches gang!

jarbaby
