The season length ranged from 42 to 62 games, depending on the number of teams in the season. The competition used the designated hitter rule, much like the Major League Baseball's American League, but allowed aluminium bats for non-MLB contracted players, with the contracted players using wood. There were also allowances in place for pinch runners to run for a catcher if he made base safely, this was put in place for not only speed up the break between innings waiting for a catcher to change into his gear, but to create more excitement on the basepaths. Import restrictions also applied in the League as to nurture home grown talent