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ss61,
Where did I go? Well let's see. I went to work. Then I went to the Dodger/Angel game. Then I went to sleep. Then I took my daughter to her tennis lesson. Then I ran a practice. Then I went to see Star Wars. Then I went to sleep. Then I went to church. Then I managed my son's game. They won! Then I relaxed. Then I went to sleep. Then I went to work. Now I'm getting past my lunch time.

In other words, hold your horses. You aren't paying for anything.

5 or 6 mph between now and about 17 or 18 years old.
Last edited by CADad
hccs,
It means that the there is too little information at that size/age for the charts to be even remotely accurate. I don't think you could characterize the charts as being "accurate" at any size or age. They just show general trends.

I don't think you'll gain velocity over the next two years due to growth or maturity. On the other hand if you work at it given your size I don't think a 5 mph gain is unreasonable at all.
Last edited by CADad
CADad:

Thanks. Yes I really did not really think I was going to gain anymore by growing. Hopefully I'm done with growing vertical so my long arms are about all they are going to be. Most likey it will be some weight gain and exercises that will put on that 5 mph. Problem is that I'm from a very rural area, there are no local clinics, etc... so I try to pick up what I can from others. Sometimes that is not always the best way either. Next year I wlll be a senior in high school and hopefully I can go on to a college program that will help me develop further. Again, thanks for taking the time.
06Dad,
The database stops at about your son's age. The predictions that I note are for when a player turns 17 so the database wouldn't predict more than about a .5 mph increase. The reality is that many pitchers continue to gain velocity after your son's age even if they are done growing. It is probably up to his hard work and not growth or physical maturation to improve from here on out.
hit&run,
I hope everyone who asks about this realizes, as you do, that the charts I've developed are very generic and don't really apply to any one individual. They are a reasonably good fit with the population as a whole but anyone who tries to apply them to an individual is going to mislead themselves.
I realize that size does have to do with velocity but only to a great extent. I'm goin to be a Sophomore in High School and I'm 5 ft. 8 in. tall. I weigh exactly 153 lbs. I got clocked about a month ago at 79-80 mph consistently at an indoor facility. I hit 82 mph once. But i dont understand how you can calculate how hard people will throw because of how tall and how much they weigh. Their mechanics could be good or bad or they could just be weak. My opinion is that if they work their legs, core, and shoulder then they could gain more velocity depending on how hard they work. Please write back.
CADAD: Here is another one for you and some questions. My son last summer, where he just finished his freshman season was 15yrs, 10 mo. & 15 days old and at a college camp topped out in a game at 84mph and is a lefty. He was 5'9" about 138lbs. He was always smaller than most in his class, but is now 6' 163lbs. He has not matured phsically with no facial hair & peach fuzz under the arms.

Questions: Do parents even enter into the figures? He takes greatly after me, but I graduated at the same size as he is now and filled out late to around 188 at 21-22.

I mentioned game situation because I think pitching vs throwing(in my opinon) makes a difference. He is not a full effort pitcher which is what I see kids do in the bullpen with the guns on, vs. game situations having to throw strikes & get people out.

I think we all know these are not guarantees & knowing how to pitch & actually getting people out what is important. Still an interesting subject which is obvious to the number of posts. Thanks alot.

Gopher
HotCornerDad,
The table is in a spreadsheet on my PC. I took data from about 50 pitchers that HSBBwebsters gave me. I used that data to generate curves of velocity vs height and age. To estimate how much an individual's velocity is going to increase I start with their age and height on the curves. I then go to the CDC growth charts to estimate how tall they will be at 17 or 18. I then move to that height and 17 or 18 years old on the charts and compare the difference in velocity. That is all there is to it.

So for instance a 14 year 7 mo., 5'10" player projects to end up a little over 6'1" according to the growth charts.

I then go to the tables and they show at his age and height a velocity of just under 77mph. At 6'1" and 17 to 18yo the table shows a velocity of 84+ mph. That would mean a gain of a little over 7 mph by the time he turns 17. Your son is very close to the predicited velocities so these charts probably fit him better than for instance they do my son who throws about 4 mph slower than the data would indicate for his age and height.
GoGoGopher,
No the table wouldn't apply very well to him at all. The CDC growth charts wouldn't predict his height increase. Also the biggest gains usually come in the years where the kids have matured physically and that increase occurs between 12 and 15 in the tables. It sounds like your family matures later than the norm and this only applies to the typical player.
Colin,
The charts are a compilation of data from about 50 different players so they only reflect the average of those players. Something like this can't take into account differences in the way people grow or how hard they work at the game. On the other hand this data came from some fairly accomplished players so one can assume they've been working harder than the norm and are a bit more talented than the norm.

I wouldn't hesitate to say that my son throws with above average velocity but within this database he is definitely below the average.

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