Field lacrosse offensive purpose while controlling the ball, the possessing team must keep the ball within the offensive restraining box to avoid a loss-of-possession penalty. Field markings dictate player positioning during a face-off. A face-off is how play is started at the beginning of each quarter and after each goal. During a face-off, there are six players (without considering goalkeepers) in each of the areas defined by the restraining lines. Three midfielders from each team occupy the midfield area, while three attackmen and three of the opposing team's defensemen occupy each offensive area. These players must stay in these areas until possession
Box lacrosse Mann Cup, the most prestigious lacrosse trophy in Canada, was contended for under box lacrosse rules for the first time. Previously, the national senior men's lacrosse championship, awarded since 1901, was competed for under field lacrosse rules. The Mann Cup is an annual tournament that presents the champion of the Western Lacrosse Association and Major Series Lacrosse in a best of seven national championship. A few years later, in 1937, the Minto Cup, began being awarded under box lacrosse rules to the junior men's champions. Currently the Canadian Lacrosse Association oversees the Mann Cup, the Minto Cup, the Presidents Cup