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BASEBALL LEAGUE RULES

Roster/Substitutions 

  • Time Limits 

    • 12u and Younger  

      • All games will be 6 innings, except when time limit is reached. 

  • No extra inning, games can end in a tie. 

  • Coin Toss will determine Home/Away teams. 

  • 90 Minutes drop dead time limit. 

  • Maximum of 5 runs per inning. 

  • If a homerun is hit that takes the number of runs scored per inning over the maximum, only the runs up to the maximum will be counted. 

 

  • 13u/14u 

  • All games will be 7 innings, except when time limit is reached. 

  • No inning will start after 85 minutes.   

  • A new inning starts when the final out is recorded in the bottom of the inning. 

  • If the game is tied at the end of the time limit, the game will end in a tie.   

  • Maximum 6 runs per inning, not including the final inning. 

  • If a homerun is hit that takes the number of runs scored per inning over the maximum, only the runs up to the maximum will be counted. 

  • Umpire will determine the final inning of the game and notify each team before the top of the inning. 

  • Both teams must have opportunity for last half inning to have runs uncapped. 

 

  • Rain outs will not be made up 

  • Run rules will not apply 

  • All teams must roster bat.  

  • 9 fielders in the field on defense.   

  • Teams playing with 9 fielders must play with 3 outfielders.   

  • Outfielders must be on the grass. (Exception: Machine Pitch, See Machine pitch rules) 

  • You must have eight players to start game.  Players coming late will be added to the end of the order.  

  • No player should sit out two consecutive innings unless injured, spot in line up will be skipped, team does not have to take an out 

  • Free substitution will be used throughout the game for every position other than the pitching position.  

  • Once pitcher is removed from the pitcher’s position, they may not re-enter the game and pitch again. 

 

  • 12u and younger 

  • One pitcher per inning 

  • Not to exceed more than 35 pitches in one inning. 

  • Inning will be “rolled” if pitcher reaches 35 pitches. 

  • If Pitcher reaches 35 pitches in the middle of an at bat, they will complete the at bat. 

 

  • 13u/14u 

  • Pitchers are encouraged to stay under 35-40 pitches per inning, however, no rule will be enforced to “roll” the inning once a pitcher reaches that limit. 

  • Only time an inning will be “rolled” is when 6 runs is reached. 

 

In-Game Rules 

  • Dropped third strike 

  • Batter may run on a dropped third strike.  

  • Balks are live 

  • Balks will be called  

  • Each pitcher will be given one warning where runner does not advance.   

  • Additional balks by the same pitcher will result in a base awarded to the baserunners. 

  • 3rd to 1st Pick-off move is ILLEGAL at all age levels 

  • Infield fly rule DOES apply 

 

  • 9u/10u 

  • Runners may leave the base as the ball is crossing home plate. 

  • Stealing is allowed 

  • First and third situations we are encouraging the catchers throw to second therefore no stealing home in this situation or any other situation, overthrow, passed ball etc.) 

 

  • 11u/12u and younger  

  • Runners may lead off. 

  • Runners are not allowed to steal home or take home on a passed ball. 

  • First and third situations we are encouraging the catchers throw to second therefore no stealing home in this situation or any other situation, overthrow, passed ball etc.) 

  • No delayed stealing. 

  • Once momentum has stopped, the runner must return to the initial base.  

  

  • 13u/14u  

  • Stealing all bases is allowed, including home plate on passed balls. 

  • First and third situations are played live.  No restrictions. 

 

  • If a team is winning by 10 or more runs, there will be no stealing or advancing on a passed ball by that team.   

  • Stealing can resume if the losing team trails by less than 10.   

  • Players MUST slide into all bases 

  • Sliding feet first is required except for sliding back into a base on a pickoff attempt.  

  • It is the umpire’s decision to rule the runner out if the player should have slid or veered out of the way. 

  • Slashing 

  • Slashing is ILLEGAL 13u and younger. 

  • Fake bunting is allowed. However, fake bunting and swinging is NOT allowed and the batter will be called out. No warnings will be given.  

  • Slashing is LEGAL for 14u and older ONLY. 

  • Courtesy runners must be used for catchers with two outs.  

  • Courtesy runner for the catcher can be used at any time to encourage faster play.  

  • Courtesy runners will be the last out recorded in that inning.  

  • NO intentional walks are allowed.  

  • If the umpire determines a batter was walked intentional (umpires decision stands), the batter walked plus the following batter will be awarded a base. 

  • ABSOLUTELY NO MOLDED OR METAL CLEATS ARE TO BE USED ON THE MOUND 

 

 

Bat Rules 

  • 7u to 12u, there will be bat restrictions to BPF 1.15 

  • 13u BPF 1.15 or BBCOR.  Max Difference of Drop 8 

  • 14u BPF 1.15 or BBCOR Max Difference of Drop 5 

  • Illegal Bat Penalty 

  • It is the responsibility of each team’s head coach to monitor bats that are in play.  

  • If the bat is found illegal, the batter will be ruled out and runners will not be allowed to advance. 

 

Additional Requests & Info 

  • Home Team gets the 3rd base dugout. 

  • Home Team is responsible for diamond prep between games. 

  • Visitor Team gets the 1st base dugout.  

  • Please have players hustle on and off the field.  

  • Please have your team clean the dugout after each game (i.e., water bottles, gum wrappers, etc.). 

 

Conduct 

  • Umpires are members of the ISA family.   

  • Be respectful of their efforts. Coaches are responsible for player, parent, and fan behavior.  

  • Player’s unsportsmanlike conduct is subject to ejection from the game (and future games) upon ISA’s discretion. 

  • Coach/Parent unsportsmanlike conduct is subject to ejection from the park.  

 

REMINDER: THIS IS A DEVELOPMENTAL LEAGUE.  WE WILL NOT TOLLERATE DISRESPECT TOWARDS UMPIRES, COACHES, OPPOSING PLAYERS AND FANS.  THE CULTURE OF THIS LEAGUE MATCHES THAT OF ISA.  DEVELOPMENT, SAFETY, FUN. 

IF YOU HAVE QUESTIONS EMAIL: erik@impactsportsgb.com  

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