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
Canada men's national lacrosse team up of professional players who compete in Major League Lacrosse. However, many players also play in the National Lacrosse League and are members of Canada national indoor lacrosse team. Past Team Canada squads have included lacrosse greats such as Gary Gait, Paul Gait and Tom Marechek. Canada had two representatives during the 1904 Summer Olympics which included a club team from Winnipeg, Manitoba and another team made up of players from the Mohawk nation. The following 34 players have been named to Canada's preliminary roster for the 2018 World Lacrosse Championship The following players were included in the original 46