Question, do you count warm-up pitches in the total? I mean if a kid warms up for 15 minutes and throws 40-50 warm-ups....just saying.
And as far as number of batters faced, that's kind of iffy, sometimes a pitcher throws 1 pitch sometimes 10. I guess you could average.
Like I said, this is going to be a mess, all in the name of "appearing" to be concerned with kid's health.