Safety regulations that prohibit players U11 and younger from heading the ball in training or games to prevent concussions.

A player who is in a lower grade in school than their birth-year teammates (e.g., an 8th grader on a team of 9th graders), leaving them with no team to play for during the high school season.

Usually a volunteer parent who handles logistics, scheduling, hotel bookings, and paperwork for the team.