Quidditch (sport) x 77m around the pitch). Balls are not allowed to be kicked off the pitch under penalty, nor is play allowed in the spectator zones. Players are asked to return to the pitch when play continues out of bounds. On the edge of the pitch is a penalty box where players who have committed fouls that warrant yellow cards are sent for one minute. Each official game requires having several referees present as well as an official snitch. The referees are the head ref whose job is to control the field and administer fouls and yellow or red cards to
Substitution (sport) Substitution (sport) In team sports, substitution (or interchange) is replacing one player with another during a match. Substitute players that are not in the starting lineup (also known as bench players, backups, or reserves) reside on the bench and are available to substitute for a starter. Later in the match, that substitute may be substituted for by another substitute or by a starter who is currently on the bench. Some sports have restrictions on substituting or interchanging players whereas others do not. American football, ice hockey, and basketball are examples of sports which practice "unlimited" substitution, albeit subject to certain