USABL Rules

13U–18U Age Update

  • 13U: age chart or 7th grade
  • 14U: age chart or 8th grade
  • 15U: age chart or 9th grade
  • 16U: age chart or 10th grade
  • 17U: age chart or 11th grade
  • 18U: age chart or 12th grade
  • *Any player who has been reclassified must provide official documentation from their school.

Rule #10 – Batting Order

All teams have the option to bat as many players as they select. In order for a player to play defense, he must be listed in the current batting order. If a team replaces a starter with a substitute, that person must be someone not in the game at all. Starters may re-enter the game one time for the player that was substituted for them, remaining in the same spot in the batting order. All 60/90 games CAN also have a designated hitter as per NFHS rules. 7U–12U will not be allowed to use the designated hitter.

Rule #14 – Roster Limits

Teams may have a maximum of 16 players on their roster. If a player is temporarily added for a game, mark them with an asterisk (*) on the roster.

Division Strength (strongest to weakest): American, Central, Continental, National

Rule #26 – Balks

  • 11U 50/70: warnings only (instructional). If both coaches agree, ALL balks will be called.
  • 12U and above: no warning by default. If coaches want warnings, 1 warning per pitcher.
  • All balks/balk warnings are delayed dead ball.
  • Fake to 3rd and wheel to first is legal in all USABL games regardless of the state.

Rule #30 – 46/60 Leaving Base Early

No leading on the 46/60 field. Players must wait until the ball crosses the plate to leave a base. Any player leaving early: team warning on first offense. Any subsequent offense by that team: runner called out.

Tournament Rule #16 – Rosters

  • 1-Day Tournament: All players must play in at least 1 pool play game to qualify for playoffs.
  • 3 Game Min – Day 2: Teams may bring up to 3 players who did not participate in Game 1 or Game 2. Must be on roster prior to Day 2 and play in the first game of Day 2.
  • Roster Protests: Illegal player is removed for the rest of the tournament. The game resumes from the point the illegal player was removed. The current game will NOT revert back.