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
Presidents Cup (box lacrosse) Presidents Cup (box lacrosse) The Presidents Cup is the national Senior-level box lacrosse championship for the Canadian Lacrosse Association. The annual Championship awards a "Gold", "Silver", and "Bronze" placing. The skill levels have been adjusted in recent years; Senior "B" teams from across Canada now compete for the Presidents Cup (as before it was all Senior teams). Senior "A" is now represented by Ontario's Major Series Lacrosse and the Western Lacrosse Association (British Columbia), who compete for the Mann Cup. There have been three trophies used for the Presidents Cup championships. The original trophy was known as the "Castrol Oil