Baseball Pitching rule changes can be found here .

Little League International has changed some rules for next year. Click on the headline to view all the latest changes.

The major change for this year is that all non-wood baseball bats must have a Bat Performance Factor (BPF) of 1.15 or less, and this must be printed on the bat. This change does not apply to softball bats.
They also revised the Pitch Count, and a couple of minor playing rules this year.

AMERICAN  LEAGUE  BASEBALL	Dr. Cunniff's Primary Care
NATIONAL  LEAGUE  BASEBALL	Horan, Golden, and Co., Inc.
SENIOR  LEAGUE  SOFTBALL	Northup's Service Center
MAJOR  LEAGUE  SOFTBALL	Lil' Rhody Chem-Dry Inc.