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 possession and the other midfielders advance to play the ball. If possession is won by the face-off player, he may move the ball himself or pass to a teammate. The rules also require that substitution areas, a penalty box, coaches area, and team bench areas be designated on the field. A field lacrosse player's equipment includes a lacrosse stick, and protective equipment, including a lacrosse helmet with face mask, lacrosse gloves, and arm and shoulder pads. Players are also required to wear mouthguards and athletic supporter with cup pocket and protective cup. Each player carries a lacrosse stick measuring long