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
History of lacrosse leagues developed for box lacrosse and college lacrosse. Two professional leagues also were created: In 1987 the Eagle Pro Box Lacrosse League was founded; it eventually became the Major Indoor Lacrosse League, and then the National Lacrosse League (NLL). In the summer of 2001, a professional field lacrosse league, known as Major League Lacrosse (MLL), was inaugurated. History of lacrosse Lacrosse has its origins in a tribal game played by eastern Woodlands Native Americans and by some Plains Indians tribes in what is now the United States of America and Canada. The game was extensively modified by European colonizers to