https://www.littleleague.org/playing-rules/pitch-count/
BASEBALL PITCHING REQUIREMENTS
BASEBALL League Age Pitch Counts
13-16 – 95 pitches per day
11-12 – 85 pitches per day
9-10 – 75 pitches per day
7-8 – 50 pitches per day
Exception: If a pitcher reaches the limit imposed in Regulation VI (c) for his/her league age while facing a batter, the pitcher may continue to pitch until any one of the following conditions occurs: 1. That batter reaches base; 2. That batter is put out; 3. The third out is made to complete the half-inning. NOTE: If a pitcher reaches 40 pitches while facing a batter, the pitcher may continue to pitch, and maintain their eligibility to play the position of catcher for the remainder of that day, until any one of the following conditions occurs: (1) that batter reaches base; (2) that batter is retired; or (3) the third out is made to complete the half-inning or the game. The pitcher would be allowed to play the catcher position provided that pitcher is moved, removed, or the game is completed before delivering a pitch to another batter. If a player delivers 41 or more pitches, and is not covered under the threshold exception, the player may not play the position of catcher for the remainder of that day.
BASEBALL Pitchers league age 14 and under must adhere to the following rest requirements:
- If a player pitches 66 or more pitches in a day, four (4) calendar days of rest must be observed.
- If a player pitches 51-65 pitches in a day, three (3) calendar days of rest must be observed.
- If a player pitches 36-50 pitches in a day, two (2) calendar days of rest must be observed.
- If a player pitches 21-35 pitches in a day, one (1) calendar days of rest must be observed.
- If a player pitches 1-20 pitches in a day, no (0) calendar day of rest is required.
Exception: If a pitcher reaches a day(s) of rest threshold while facing a batter, the pitcher may continue to pitch until any one of the following conditions occurs: (1) that batter reaches base; (2) that batter is retired; or (3) the third out is made to complete the half-inning or the game. The pitcher will only be required to observe the calendar day(s) of rest for the threshold he/she reached during that at-bat, provided that pitcher is removed or the game is completed before delivering a pitch to another batter.”
NOTE: If a pitcher reaches 30 pitches while facing a batter in the first game, the pitcher may continue to pitch, and maintain their eligibility to pitch in the second game on that day, until any one of the following conditions occurs: (1) that batter reaches base; (2) that batter is retired; or (3) the third out is made to complete the half-inning or the game. The pitcher would be allowed to pitch in a second game provided that pitcher is moved, removed, or the game is completed before delivering a pitch to another batter. If a player delivers 31 or more pitches in the first game, and is not covered under the threshold exception, the player may not pitch in the second game that day);
BASEBALL Pitchers league age 15-16 must adhere to the following rest requirements:
- If a player pitches 76 or more pitches in a day, four (4) calendar days of rest must be observed.
- If a player pitches 61-75 pitches in a day, three (3) calendar days of rest must be observed.
- If a player pitches 46-60 pitches in a day, two (2) calendar days of rest must be observed.
- If a player pitches 31-45 pitches in a day, one (1) calendar days of rest must be observed.
- If a player pitches 1-30 pitches in a day, no (0) calendar day of rest is required.
Exception: If a pitcher reaches a day(s) of rest threshold while facing a batter, the pitcher may continue to pitch until any one of the following conditions occurs: (1) that batter reaches base; (2) that batter is retired; or (3) the third out is made to complete the half-inning or the game. The pitcher will only be required to observe the calendar day(s) of rest for the threshold he/she reached during that at-bat, provided that pitcher is removed or the game is completed before delivering a pitch to another batter.