Box lacrosse The roots of indoor lacrosse are obscure, but its invention has been attributed to one Paddy Brennan, a field lacrosse player and referee from Montreal, who, being annoyed by the constant slowing of play from balls going out of bounds in the field game, experimented with indoor games at the Mount Royal Arena during the early 1920s. Joseph Cattarinich and Leo Dandurand, owners of the National Hockey League's Montreal Canadiens in the 1920s, led the participating ice hockey arena owners to introduce the new sport. In the 1930s, 6 v 6 indoor lacrosse came to be played in the summer
Field lacrosse to score by shooting the ball into the opponent's goal. The triangular head of the lacrosse stick has a loose net strung into it that allows the player to hold the lacrosse ball. In addition to the lacrosse stick, players are required to wear a certain amount of protective equipment. Defensively the object is to keep the opposing team from scoring and to dispossess them of the ball through the use of stick checking and body contact. The rules limit the number of players in each part of the field. It is sometimes referred to as the "fastest sport on