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 special-substitution area, it is not to be determined an offside violation). A technical foul requires that the defenceman who fouled a player on the opposing team be placed in the penalty box for 30 seconds. As with a personal foul, until the penalty time expires, no replacement for the player is allowed and the team must play one man short. The player (or a replacement) is allowed to reenter the game once the time in the penalty box is over and the team is thus once again at full strength. College lacrosse, a spring sport in the United States, saw