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
Lacrosse in Canada officials do not officiate at that level. The OLRA is an extension of the OLA, and does not represent an independent officiating union. The National Lacrosse League is a professional box lacrosse league, with franchises in Canada and the United States. The 2006 World Lacrosse Championship was held in London, Ontario. Canada beat the United States 15-10 in the final to break a 28-year U.S. winning streak. One of the best lacrosse players of all time, Gary Gait was born in Victoria, British Columbia and has won every possible major lacrosse championship. Great achievements in Canadian Lacrosse are recognized by