50% Rule ??“ Applies to basketball, baseball, and softball. Participation (includes practice or games) during the school year on a non-school team prior to the school season by students that will play the following season on the high school team is limited to 50% of the number of players required to play the game (3 in basketball, 5 in baseball, 5 in girls softball). Only the specified number of students participating on a non-school team prior to the school season may be placed on the high school eligibility list the following season.