Penalty box allows for fans to see that the next player responsible for a penalty will be sent to the sin bin indefinitely (if there has not been a sufficient change in attitude from the team). For the most serious offences and/or repeated misconduct, the referee may send off players, who take no further part in the game and leave their team a player short. Referees also have the power to send team officials to the stands. In 1981 Australia's New South Wales Rugby Football League introduced the use of the sin bin and that year Newtown Jets hooker Barry Jensen became
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