7 innings is a complete game -weather or Executive Committe decision American League rules except:
No bunting or showing bunt until the 7th inning, but not in a player's 1st AB
No intentional walks at any time
Aluminum bats are allowed
MUST slide to avoid contact
Catcher must wear a one piece hockey style helmet and mask
pitchers can throw a maximum of 3 innings (9 outs)
position players and DH's must play a minimum of 4 innings
DH's must bat in the same spot in the line up
Substitution must be made between the 5th and 6th inning, no reentry