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Rethinking Pitch Count
A case for changing current league rules
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Why innings pitched is meaningless
Most leagues base their rest rules on innings pitched but as we all know an inning can be anything from 3 pitches to several dozen. The better measure is pitch count - and every outing, no matter how short, requires some recovery time.

Special Notice: In August 2006, Little League became the first youth league to announce a switch from innings pitched to pitch count. Each of the ASMI chats below has been updated with columns to reflect the LL rules. You will notice that Little League has not been as strict as the ASMI first recommended. For the record, no 11 y.o. we coach would ever be allowed to pitch 85 pitches; we are reluctant to let a 15 y.o. pitch 95. We are also concerned that no mention was made of ambient temperature, pitching when it's 65F (18C) is different than at 85F (30C) .

Here's what the ASMI has determined is safest (and what Little League allows)...

Suggested Pitch Counts
Age Max. pitches/game Max. games/week LL pitches/day
8-10 52 2 75
11-12 68 2 85
13-14 76 2 95
15-16 91 2 95
17-18 106 2 105
 


Suggested Recovery Days
Age 1 day rest after 2 days after 3 days after 4 days after
8-10 21 pitches 34 43 51
11-12 27 35 55 58
13-14 30 36 56 70
15-16 25 38 62 77
17-18 27 45 62 89
Once you reach a certain number of pitches, you need this much rest/recovery time.

Little League Recovery Days
Age 1 day rest after 2 days after 3 days after 4 days after
7-16 21-40 41-60 61 or more
 
17-18 26-50 51-75 76 or more

WebBall has no explanation as to why LL thinks a 7 year old and 16 year old recover equally well. We also don't know why anyone thinks a 12 year old needs only 2 days recovery after 58 pitches vs 4 days on the original ASMI chart above.


The debate on Pitch Count will likely continue for years. Tell us what you think now. Vote in our Nose 2 Nose survey on Pitch Count.
 

The American Sports Medicine Institute was founded to make independent observations and recommendations on medical matters related to sports at all ages.

We are aware that not everyone agrees with their conclusions, and that they may change the exact numbers from time to time, but WebBall believes the principal of measuring pitch count not innings makes sense. But we've also coached enough ball games to know why it would be difficult to police: not everyone can agree on pitches thrown, but an inning is an inning. It's certainly safer to count innings, but we all know it fails in its main purpose - to protect young arms.

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