Is Electronic Pitch Calling Legal?
A league-by-league guide to one-way electronic communication rules in baseball and softball.
⚠️ Always confirm before game day. Rules change season to season, and tournament directors have the final word at their events. Treat this page as a starting point, not a ruling: always confirm what is allowed with your specific league, association, or tournament director first.
The distinction that matters: one-way, receive-only
The coach sends the call and players only receive it; players never transmit or record anything. This is the pattern every permitting body allows, and the first question tournament directors ask. Relay-9 is built around it: pitch calls go out from the coach's phone, and player devices (earbud or watch) only receive.
USSSA
PermittedUSSSA fastpitch explicitly permits one-way electronic communication. The USSSA Fastpitch Rulebook (18th Edition), Section 13, "One-Way Communication Devices," states that a coach may utilize exclusively one-way electronic communication devices to communicate with players on the field.
NFHS (High School)
Permitted (one-way)NFHS rules permit electronic communication for coaching purposes: one-way, coach-to-player. Note the 2026 update to Rule 1-8-6: players may not transmit or record audio or video from the playing surface during live play. Receive-only devices (like Relay-9's earbud and watch delivery) are the compliant pattern.
Source: NFHS Softball Rules
USFA
Not restricted; defers to NFHSThe USFA 2025 Rulebook contains no rule restricting electronic communication, and USFA explicitly defers to NFHS rules for anything not addressed in its rulebook. Because NFHS permits one-way coach-to-player communication, it is permitted by extension in USFA play. We still recommend confirming with the tournament director before your event.
Source: USFA Rulebook
USA Softball
Verify current rule[VERIFY CURRENT RULE] USA Softball publishes an annual rulebook; check the current edition's equipment and communication rules, and confirm with your local commissioner or tournament director whether one-way electronic communication is permitted in your division.
Organization site: usasoftball.com
PGF (Premier Girls Fastpitch)
Verify current rule[VERIFY CURRENT RULE] Check the current PGF rules packet for your event and confirm with the tournament director whether one-way electronic communication devices are permitted.
Organization site: premiergirlsfastpitch.com
UIL (Texas High School)
Verify current rule[VERIFY CURRENT RULE] UIL generally follows NFHS playing rules with state-specific exceptions. Check the current UIL baseball/softball plan and any state adoptions or exceptions regarding electronic communication devices before use in UIL competition.
Organization site: uiltexas.org
NCAA
Verify current rule[VERIFY CURRENT RULE] NCAA baseball and softball each publish their own playing rules with specific provisions on electronic communication (including one-way devices for pitch calling). Check the current rules book for your sport and division, and confirm with your conference office.
Organization site: ncaa.org
Little League
Verify current rule[VERIFY CURRENT RULE] Check the current Little League rulebook and your local league's guidelines regarding electronic communication devices before use in Little League play.
Organization site: littleleague.org
Babe Ruth / Cal Ripken
Verify current rule[VERIFY CURRENT RULE] Check the current Babe Ruth League rules and any division-specific (Cal Ripken) provisions on electronic communication, and confirm with your league officials.
Organization site: baberuthleague.org
PONY
Verify current rule[VERIFY CURRENT RULE] Check the current PONY Baseball/Softball rules and regulations regarding electronic communication devices, and confirm with your league or tournament director.
Organization site: pony.org
⚠️ Reminder: This guide is informational and not legal or rules advice. Rules change season to season; always confirm with your tournament or league director before using any electronic communication device in competition.