Delaware High School Pitch Count Rules (DIAA)
- Last checked Nov 1, 2026
- By Julien Levadoux
Under DIAA rules, Delaware high school pitchers may throw up to 105 pitches a day. Up to 25 pitches needs no rest; 81 or more needs 3 calendar days of rest. The other tables and the extra limits are below.
The DIAA rest tables
High school · 105 pitches a day at most
| Pitches in a day | Rest before pitching again |
|---|---|
| 1–25 | None: may pitch the next day |
| 26–50 | 1 calendar day |
| 51–80 | 2 calendar days |
| 81–105 | 3 calendar days |
High school, first six games · 85 pitches a day at most
| Pitches in a day | Rest before pitching again |
|---|---|
| 1–25 | None: may pitch the next day |
| 26–50 | 1 calendar day |
| 51–80 | 2 calendar days |
| 81–85 | 3 calendar days |
Other limits
- A pitcher may finish the batter if the 105 limit is reached during the at-bat.
- Weekly cap: no more than 205 pitches in any 7-day period.
- Early season: maximum 85 pitches for the first six games of the season. All teams move to the full limit once one team has completed its sixth contest.
- Doubleheaders: a pitcher who, in the first game, throws 25-39 pitches in two consecutive innings or more than 40 pitches in any one inning may not pitch the second game. First-game pitches count toward the 105 daily limit.
- Middle school: 90 pitches a day, 175 in 7 days, and 70 for the first four games.
Source: DIAA Baseball Pitch Limits (DIAA baseball pitch limits (Board-adopted; posted June 2021)). Checked Nov 1, 2026.
The calculator above is set to Delaware. Enter the pitches thrown and the day, and it shows the rest required and the first day the pitcher can throw again.
How to read the rule
Rest is counted in calendar days, after the day the pitcher threw. On the High school table, a pitcher who throws 66 pitches on a Tuesday needs 2 calendar days of rest, so the first day they can pitch again is Friday. The most rest any Delaware table requires is 3 days.
More than one table
Delaware doesn’t use one table for everyone. High school: up to 105 pitches a day, 81+ pitches means 3 calendar days of rest. High school, first six games: up to 85 pitches a day, 81+ pitches means 3 calendar days of rest. Pick the one that fits in the calculator; both are printed below it.
Where the rule comes from
These numbers are from the association’s own document: DIAA Baseball Pitch Limits, read as the DIAA baseball pitch limits (Board-adopted; posted June 2021). Associations can change their rules between seasons, so if the season is about to start, check the association’s current baseball manual too. Your league or tournament may also set stricter limits than the state.
Keeping the count is usually the coaches’ job, often with both teams’ counts compared after the game. The pitch count log has a line for every pitcher and game.