Baseball Rules Changes - 2026

Baseball Rules Changes - 2026 August 01, 2025 1-2-9, 2-5-1h, 2-16-1h, 8-2-1, 8-2-2(a)1-7, 8-2-7, 8-4-1g(1) – Modified that the double first base will be mandatory effective January 1, 2027 and associated rule changes. 1-4-4 – Clarified what is allowed on a school’s official baseball uniform. 1-6-3 – Clarified what is not allowed to be worn by a player to record or transmit audio or video feeds. 2-10-3 – Clarified the definition of a player-to-player defensive meeting. 3-4-6 – Clarified the difference from a player-to-player meeting and a charged conference.