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NEDSO Softball Guide: Rules & Equipment Standards

Welcome to the official guide for the New England Deaf Softball Organization (NEDSO). This page is your go-to source for understanding the rules we play by and the equipment we expect all players to follow. Whether you're a seasoned vet or new to the field, this guide will help keep our tournaments competitive, safe, and accessible for all.

Game Rules Overview

Game Format

  • Slowpitch softball, 7-inning games or time limit (determined per tournament)
     

  • No new inning may start after 55–60 minutes (unless otherwise stated)

2

Strike Zone

  • A flat strike mat is used behind home plate
     

  • A pitch landing on any part of the mat = strike
     

  • Must have legal arc (6–12 feet)

3

Batting & Lineups

  • Continuous batting allowed (all players bat in order)
     

  • Minimum of 10 players to start a game
     

  • If a team drops below 9 during the game, it may result in a forfeit unless approved by the commissioner

4

Home Run Rule

  • Limit per team per game (5 HRs, then outs)

5

Base Running

  • No lead-offs, no stealing
     

  • Must remain on base until ball is hit

6

Sliding

  • Sliding is allowed, but no malicious contact
     

  • Avoid collisions at home plate and second base

7

Mercy Rule

  • 15 runs after 4 innings or 10 runs after 5 innings

8

Forfeit Policy

  • Game time = forfeit time
     

  • Teams must be ready 10 minutes before scheduled start

9

Protests & Rulings

  • All disputes must be brought to the commissioner during the game
     

  • The commissioner's decision is final

Equipment Guidelines

Bats

  • Must have USSSA
     

  • Senior or shaved bats are not allowed
     

  • Commissioner has final say on bat legality

2

Gloves

  • Standard softball gloves only
     

  • No foreign substances or tack

3

Cleats

  • Molded rubber or plastic cleats only
     

  • Metal cleats are NOT allowed

4

Uniforms

  • Teams should wear matching jerseys if possible
     

  • Players must wear a number for identification

5

Other Gear

  • Pitchers may wear a mask or helmet (optional but recommended)
     

  • No headphones, speakers, or earbuds during play

Accessibility & Deaf-Friendly Standards

Visual Cues

  • All umpires and scorekeepers will use clear ASL signals and hand gestures
     

  • Players should use hand signs or point when unsure

2

Communication on Field

  • Encourage ASL when possible

3

Respect On & Off the Field

  • No trash talk related to Deaf identity, speech, or communication style.
     
  • NEDSO is a Deaf-led league that welcomes Deaf players, CODAs, SODAs, and hearing allies.
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Need more info or want to report an issue?

Contact Commissioner Chris Marchese


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© 2026 New England Deaf Softball Organization

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