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Delaware high school pitch count rules

Delaware Interscholastic Athletic Association (DIAA) · verified

Daily max and required rest

LevelDaily max0 days rest1 day rest2 days rest3 days rest
High school (after first 6 games)1051–2526–5051–8081–105
High school (first 6 games)851–2526–5051–8081–85
Middle school (after 4th game)901–2021–3536–5051–65
Middle school (first 4 games)701–2021–3536–5051–65

Source: DIAA Baseball Pitch Limits (revised 4.3.2025) · retrieved 2026-10-16

Other limits

Consecutive-day ruleSecond game the same day: ineligible if the pitcher threw 25-39 pitches in two consecutive innings or more than 40 in one inning in game 1.
Weekly / multi-day limitHS: 165 per 7 days in the first 6 games, then 205. MS: 135 per 7 days in the first 4 games, then 175.
Finish the batter at max?Yes, at daily and weekly limits.
How rest days are countedNot stated in source
Season / versionRevised 4/3/2025
NotesThe source lists middle-school tiers only up to 65 pitches; rest above 65 is not stated, so it is left blank.

Rest-day calculator

When can they pitch again? Add every day they pitched (tournaments often start Thursday).

Days pitched
DatePitches

Rest days are calendar days after the game date, so 3 days of rest after a Tuesday outing means eligible Saturday. Consecutive-day, multi-day and event caps are applied where the rule states numbers; anything else is listed as not calculated.

Pitch count calculator

How many pitches can they throw on a given day, after their recent outings?

Recent outings before that game
DatePitches

Tournaments in Delaware

2 tournament operators found running youth/travel events here (retrieved 2026-10-16). Each links its own site; pitching rules link to the operator's ArmRules page. Blank = the operator does not publish one we could find.

OperatorEvents seenPitching rulesBat rules
USSSA Baseball (state directors)
debaseball.usssa.com
USSSA state tournaments, state championships and the National All-State qualifier pathUSSSA BaseballBatRules
Perfect Game (PG) tournaments
www.perfectgame.org/schedule/Default.aspx?Type=Tournaments
2026 PG Delaware Fall Select Championship; 2026 PG Delaware Fall Elite ChampionshipPerfect Game (PG) tournamentsBatRules

National organizations

These rules apply wherever the organization sanctions an event. Individual events can modify them, so check the event page.

Bat rules for this state: BatRules: DE

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